Hi,
ext4 online resize crashes here. It has done since I first tested it
during the 3.3-rc series. Reproducible every time.
Reproduced on linus master of today.
It fails in ext4_alloc_group_tables() :
BUG_ON(src_group >= group_data[0].group + flex_gd->count);
------------[ cut here ]------------
kernel BUG at fs/ext4/resize.c:236!
invalid opcode: 0000 [#1] PREEMPT
Modules linked in:
Pid: 754, comm: resize2fs Not tainted 3.3.0+ #24 OLPC XO/XO
EIP: 0060:[<b050c1dc>] EFLAGS: 00010246 CPU: 0
EIP is at ext4_resize_fs+0x33e/0x7aa
EAX: 0000001e EBX: eb4d0800 ECX: 00000007 EDX: e9bf5800
ESI: 00000000 EDI: 00000000 EBP: e9d6decc ESP: e9d6de50
DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
CR0: 8005003b CR2: a754a746 CR3: 39d92000 CR4: 00000690
DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
DR6: ffff0ff0 DR7: 00000400
Process resize2fs (pid: 754, ti=e9d6c000 task=e9d8b6c0 task.ti=e9d6c000)
Stack:
b04b5420 e9d6def4 e942c400 0000001d 000e817f 00000000 e6121780 00000000
00000001 00000001 00008000 00000000 000e8180 00000000 00000010 000e8000
00000000 00000000 00000000 0000001e e9be8800 e9bf5800 0000001c 0000001d
Call Trace:
[<b04b5420>] ? mntput_no_expire+0x27/0xe3
[<b04f649a>] ext4_ioctl+0x726/0x850
[<b0438a35>] ? get_parent_ip+0xb/0x31
[<b0740196>] ? sub_preempt_count+0x81/0x8e
[<b073de32>] ? _raw_spin_unlock_irqrestore+0x1c/0x32
[<b055e09f>] ? __debug_check_no_obj_freed+0xe4/0x137
[<b04f5d74>] ? ext4_bio_write_page+0x342/0x342
[<b04adc03>] do_vfs_ioctl+0x459/0x48a
[<b04a0873>] ? do_sys_open+0x166/0x170
[<b04adc7a>] sys_ioctl+0x46/0x68
[<b04a08a3>] ? sys_open+0x26/0x2e
[<b0742610>] sysenter_do_call+0x12/0x26
Code: ff 85 c0 74 19 8b 55 d0 8b 45 d4 e8 97 fa fd ff 8b 75 8c 0f b7
96 ce 00 00 00 8d 74 10 01 8b 55 d8 8b 42 08 03 03 39 45 d0 72 02 <0f>
0b 8b 45 d0 f7 65 ac c7 45 cc 00 00 00 00 89 45 ac 8b 45 c8
EIP: [<b050c1dc>] ext4_resize_fs+0x33e/0x7aa SS:ESP 0068:e9d6de50
---[ end trace 6a35bc10f51f2ada ]---
Filesystem was created with:
mkfs.ext4 -O dir_index,^huge_file -E resize=8G -m1 -L OLPCRoot $root_loop
If I add the following printk immediately before the BUG_ON:
pr_info("src_group %d group %d count %d\n", src_group,
group_data[0].group, flex_gd->count);
The (complete) output is:
src_group 29 group 29 count 1
src_group 30 group 29 count 1
<crash>
dumpe2fs output:
Filesystem volume name: OLPCRoot
Last mounted on: /
Filesystem UUID: 065cbf69-807e-4d2f-bf6d-67d79eebef89
Filesystem magic number: 0xEF53
Filesystem revision #: 1 (dynamic)
Filesystem features: has_journal ext_attr resize_inode dir_index
filetype needs_recovery extent flex_bg sparse_super large_file
uninit_bg dir_nlink extra_isize
Filesystem flags: signed_directory_hash
Default mount options: journal_data_ordered user_xattr acl
Filesystem state: clean
Errors behavior: Continue
Filesystem OS type: Linux
Inode count: 232000
Block count: 950272
Reserved block count: 9262
Free blocks: 440094
Free inodes: 155413
First block: 0
Block size: 4096
Fragment size: 4096
Reserved GDT blocks: 226
Blocks per group: 32768
Fragments per group: 32768
Inodes per group: 8000
Inode blocks per group: 500
Flex block group size: 16
Filesystem created: Sat Mar 24 18:46:36 2012
Last mount time: Fri Mar 30 15:58:23 2012
Last write time: Thu Mar 29 22:06:20 2012
Mount count: 16
Maximum mount count: -1
Last checked: Sat Mar 24 18:46:36 2012
Check interval: 0 (<none>)
Lifetime writes: 75 MB
Reserved blocks uid: 0 (user root)
Reserved blocks gid: 0 (group root)
First inode: 11
Inode size: 256
Required extra isize: 28
Desired extra isize: 28
Journal inode: 8
Default directory hash: half_md4
Directory Hash Seed: 260f9726-4cbe-4147-9cf8-191517538697
Journal backup: inode blocks
Journal features: journal_incompat_revoke
Journal size: 64M
Journal length: 16384
Journal sequence: 0x0000009b
Journal start: 1
Group 0: (Blocks 0-32767) [ITABLE_ZEROED]
Checksum 0x3375, unused inodes 0
Primary superblock at 0, Group descriptors at 1-1
Reserved GDT blocks at 2-227
Block bitmap at 228 (+228), Inode bitmap at 244 (+244)
Inode table at 260-759 (+260)
15960 free blocks, 0 free inodes, 1662 directories
Free blocks: 15733-15811, 16886, 16888-32767
Free inodes:
Group 1: (Blocks 32768-65535) [ITABLE_ZEROED]
Checksum 0x4a7c, unused inodes 0
Backup superblock at 32768, Group descriptors at 32769-32769
Reserved GDT blocks at 32770-32995
Block bitmap at 229 (bg #0 + 229), Inode bitmap at 245 (bg #0 + 245)
Inode table at 760-1259 (bg #0 + 760)
0 free blocks, 0 free inodes, 2424 directories
Free blocks:
Free inodes:
Group 2: (Blocks 65536-98303) [ITABLE_ZEROED]
Checksum 0x9c9f, unused inodes 0
Block bitmap at 230 (bg #0 + 230), Inode bitmap at 246 (bg #0 + 246)
Inode table at 1260-1759 (bg #0 + 1260)
0 free blocks, 0 free inodes, 698 directories
Free blocks:
Free inodes:
Group 3: (Blocks 98304-131071) [ITABLE_ZEROED]
Checksum 0xeec9, unused inodes 0
Backup superblock at 98304, Group descriptors at 98305-98305
Reserved GDT blocks at 98306-98531
Block bitmap at 231 (bg #0 + 231), Inode bitmap at 247 (bg #0 + 247)
Inode table at 1760-2259 (bg #0 + 1760)
0 free blocks, 0 free inodes, 510 directories
Free blocks:
Free inodes:
Group 4: (Blocks 131072-163839) [ITABLE_ZEROED]
Checksum 0xb69b, unused inodes 0
Block bitmap at 232 (bg #0 + 232), Inode bitmap at 248 (bg #0 + 248)
Inode table at 2260-2759 (bg #0 + 2260)
0 free blocks, 53 free inodes, 2257 directories
Free blocks:
Free inodes: 39722-39774
Group 5: (Blocks 163840-196607) [ITABLE_ZEROED]
Checksum 0xfbbb, unused inodes 6754
Backup superblock at 163840, Group descriptors at 163841-163841
Reserved GDT blocks at 163842-164067
Block bitmap at 233 (bg #0 + 233), Inode bitmap at 249 (bg #0 + 249)
Inode table at 2760-3259 (bg #0 + 2760)
0 free blocks, 6768 free inodes, 812 directories, 6754 unused inodes
Free blocks:
Free inodes: 40779, 40790, 40793, 40796, 40810-40811, 40833,
40860-40863, 40865-40867, 41247-48000
Group 6: (Blocks 196608-229375) [INODE_UNINIT, ITABLE_ZEROED]
Checksum 0xd23b, unused inodes 8000
Block bitmap at 234 (bg #0 + 234), Inode bitmap at 250 (bg #0 + 250)
Inode table at 3260-3759 (bg #0 + 3260)
0 free blocks, 8000 free inodes, 0 directories, 8000 unused inodes
Free blocks:
Free inodes: 48001-56000
Group 7: (Blocks 229376-262143) [INODE_UNINIT, ITABLE_ZEROED]
Checksum 0x272c, unused inodes 8000
Backup superblock at 229376, Group descriptors at 229377-229377
Reserved GDT blocks at 229378-229603
Block bitmap at 235 (bg #0 + 235), Inode bitmap at 251 (bg #0 + 251)
Inode table at 3760-4259 (bg #0 + 3760)
0 free blocks, 8000 free inodes, 0 directories, 8000 unused inodes
Free blocks:
Free inodes: 56001-64000
Group 8: (Blocks 262144-294911) [INODE_UNINIT, ITABLE_ZEROED]
Checksum 0x026c, unused inodes 8000
Block bitmap at 236 (bg #0 + 236), Inode bitmap at 252 (bg #0 + 252)
Inode table at 4260-4759 (bg #0 + 4260)
0 free blocks, 8000 free inodes, 0 directories, 8000 unused inodes
Free blocks:
Free inodes: 64001-72000
Group 9: (Blocks 294912-327679) [INODE_UNINIT, ITABLE_ZEROED]
Checksum 0xe048, unused inodes 8000
Backup superblock at 294912, Group descriptors at 294913-294913
Reserved GDT blocks at 294914-295139
Block bitmap at 237 (bg #0 + 237), Inode bitmap at 253 (bg #0 + 253)
Inode table at 4760-5259 (bg #0 + 4760)
0 free blocks, 8000 free inodes, 0 directories, 8000 unused inodes
Free blocks:
Free inodes: 72001-80000
Group 10: (Blocks 327680-360447) [INODE_UNINIT, ITABLE_ZEROED]
Checksum 0xbf72, unused inodes 8000
Block bitmap at 238 (bg #0 + 238), Inode bitmap at 254 (bg #0 + 254)
Inode table at 5260-5759 (bg #0 + 5260)
0 free blocks, 8000 free inodes, 0 directories, 8000 unused inodes
Free blocks:
Free inodes: 80001-88000
Group 11: (Blocks 360448-393215) [INODE_UNINIT, ITABLE_ZEROED]
Checksum 0x4a65, unused inodes 8000
Block bitmap at 239 (bg #0 + 239), Inode bitmap at 255 (bg #0 + 255)
Inode table at 5760-6259 (bg #0 + 5760)
0 free blocks, 8000 free inodes, 0 directories, 8000 unused inodes
Free blocks:
Free inodes: 88001-96000
Group 12: (Blocks 393216-425983) [INODE_UNINIT, ITABLE_ZEROED]
Checksum 0xd728, unused inodes 8000
Block bitmap at 240 (bg #0 + 240), Inode bitmap at 256 (bg #0 + 256)
Inode table at 6260-6759 (bg #0 + 6260)
6932 free blocks, 8000 free inodes, 0 directories, 8000 unused inodes
Free blocks: 401610-401623, 417312-417329, 417535-417793,
417795-417798, 417800-418625, 418683, 418750-418751, 418791,
418810-418815, 420061, 420173-420355, 420357-420867, 420869-421379,
421381-421891, 421893, 421895-422399, 422406-425983
Free inodes: 96001-104000
Group 13: (Blocks 425984-458751) [INODE_UNINIT, ITABLE_ZEROED]
Checksum 0xdaf4, unused inodes 8000
Block bitmap at 241 (bg #0 + 241), Inode bitmap at 257 (bg #0 + 257)
Inode table at 6760-7259 (bg #0 + 6760)
14873 free blocks, 8000 free inodes, 0 directories, 8000 unused inodes
Free blocks: 443879-458751
Free inodes: 104001-112000
Group 14: (Blocks 458752-491519) [INODE_UNINIT, BLOCK_UNINIT, ITABLE_ZEROED]
Checksum 0x4691, unused inodes 8000
Block bitmap at 242 (bg #0 + 242), Inode bitmap at 258 (bg #0 + 258)
Inode table at 7260-7759 (bg #0 + 7260)
32768 free blocks, 8000 free inodes, 0 directories, 8000 unused inodes
Free blocks: 458752-491519
Free inodes: 112001-120000
Group 15: (Blocks 491520-524287) [INODE_UNINIT, BLOCK_UNINIT, ITABLE_ZEROED]
Checksum 0xb386, unused inodes 8000
Block bitmap at 243 (bg #0 + 243), Inode bitmap at 259 (bg #0 + 259)
Inode table at 7760-8259 (bg #0 + 7760)
32768 free blocks, 8000 free inodes, 0 directories, 8000 unused inodes
Free blocks: 491520-524287
Free inodes: 120001-128000
Group 16: (Blocks 524288-557055) [ITABLE_ZEROED]
Checksum 0x13b4, unused inodes 0
Block bitmap at 524288 (+0), Inode bitmap at 524304 (+16)
Inode table at 524320-524819 (+32)
18654 free blocks, 0 free inodes, 1869 directories
Free blocks: 538402-557055
Free inodes:
Group 17: (Blocks 557056-589823) [ITABLE_ZEROED]
Checksum 0x4522, unused inodes 0
Block bitmap at 524289 (bg #16 + 1), Inode bitmap at 524305 (bg #16 + 17)
Inode table at 524820-525319 (bg #16 + 532)
0 free blocks, 0 free inodes, 1947 directories
Free blocks:
Free inodes:
Group 18: (Blocks 589824-622591) [ITABLE_ZEROED]
Checksum 0x31d3, unused inodes 0
Block bitmap at 524290 (bg #16 + 2), Inode bitmap at 524306 (bg #16 + 18)
Inode table at 525320-525819 (bg #16 + 1032)
0 free blocks, 0 free inodes, 464 directories
Free blocks:
Free inodes:
Group 19: (Blocks 622592-655359) [ITABLE_ZEROED]
Checksum 0x6ead, unused inodes 0
Block bitmap at 524291 (bg #16 + 3), Inode bitmap at 524307 (bg #16 + 19)
Inode table at 525820-526319 (bg #16 + 1532)
23683 free blocks, 0 free inodes, 729 directories
Free blocks: 631165-631295, 631808-655359
Free inodes:
Group 20: (Blocks 655360-688127) [ITABLE_ZEROED]
Checksum 0x48ee, unused inodes 4591
Block bitmap at 524292 (bg #16 + 4), Inode bitmap at 524308 (bg #16 + 20)
Inode table at 526320-526819 (bg #16 + 2032)
32768 free blocks, 4591 free inodes, 2453 directories, 4591 unused inodes
Free blocks: 655360-688127
Free inodes: 163410-168000
Group 21: (Blocks 688128-720895) [INODE_UNINIT, BLOCK_UNINIT, ITABLE_ZEROED]
Checksum 0x3e6e, unused inodes 8000
Block bitmap at 524293 (bg #16 + 5), Inode bitmap at 524309 (bg #16 + 21)
Inode table at 526820-527319 (bg #16 + 2532)
32768 free blocks, 8000 free inodes, 0 directories, 8000 unused inodes
Free blocks: 688128-720895
Free inodes: 168001-176000
Group 22: (Blocks 720896-753663) [INODE_UNINIT, BLOCK_UNINIT, ITABLE_ZEROED]
Checksum 0x59ba, unused inodes 8000
Block bitmap at 524294 (bg #16 + 6), Inode bitmap at 524310 (bg #16 + 22)
Inode table at 527320-527819 (bg #16 + 3032)
32768 free blocks, 8000 free inodes, 0 directories, 8000 unused inodes
Free blocks: 720896-753663
Free inodes: 176001-184000
Group 23: (Blocks 753664-786431) [INODE_UNINIT, BLOCK_UNINIT, ITABLE_ZEROED]
Checksum 0x8370, unused inodes 8000
Block bitmap at 524295 (bg #16 + 7), Inode bitmap at 524311 (bg #16 + 23)
Inode table at 527820-528319 (bg #16 + 3532)
32768 free blocks, 8000 free inodes, 0 directories, 8000 unused inodes
Free blocks: 753664-786431
Free inodes: 184001-192000
Group 24: (Blocks 786432-819199) [INODE_UNINIT, BLOCK_UNINIT, ITABLE_ZEROED]
Checksum 0x2fb2, unused inodes 8000
Block bitmap at 524296 (bg #16 + 8), Inode bitmap at 524312 (bg #16 + 24)
Inode table at 528320-528819 (bg #16 + 4032)
32768 free blocks, 8000 free inodes, 0 directories, 8000 unused inodes
Free blocks: 786432-819199
Free inodes: 192001-200000
Group 25: (Blocks 819200-851967) [INODE_UNINIT, ITABLE_ZEROED]
Checksum 0x93ca, unused inodes 8000
Backup superblock at 819200, Group descriptors at 819201-819201
Reserved GDT blocks at 819202-819427
Block bitmap at 524297 (bg #16 + 9), Inode bitmap at 524313 (bg #16 + 25)
Inode table at 528820-529319 (bg #16 + 4532)
32540 free blocks, 8000 free inodes, 0 directories, 8000 unused inodes
Free blocks: 819428-851967
Free inodes: 200001-208000
Group 26: (Blocks 851968-884735) [INODE_UNINIT, BLOCK_UNINIT, ITABLE_ZEROED]
Checksum 0x7f73, unused inodes 8000
Block bitmap at 524298 (bg #16 + 10), Inode bitmap at 524314 (bg #16 + 26)
Inode table at 529320-529819 (bg #16 + 5032)
32768 free blocks, 8000 free inodes, 0 directories, 8000 unused inodes
Free blocks: 851968-884735
Free inodes: 208001-216000
Group 27: (Blocks 884736-917503) [INODE_UNINIT, ITABLE_ZEROED]
Checksum 0x2ed4, unused inodes 8000
Backup superblock at 884736, Group descriptors at 884737-884737
Reserved GDT blocks at 884738-884963
Block bitmap at 524299 (bg #16 + 11), Inode bitmap at 524315 (bg #16 + 27)
Inode table at 529820-530319 (bg #16 + 5532)
32540 free blocks, 8000 free inodes, 0 directories, 8000 unused inodes
Free blocks: 884964-917503
Free inodes: 216001-224000
Group 28: (Blocks 917504-950271) [INODE_UNINIT, ITABLE_ZEROED]
Checksum 0x4366, unused inodes 8000
Block bitmap at 524300 (bg #16 + 12), Inode bitmap at 524316 (bg #16 + 28)
Inode table at 530320-530819 (bg #16 + 6032)
32768 free blocks, 8000 free inodes, 0 directories, 8000 unused inodes
Free blocks: 917504-950271
Free inodes: 224001-232000
Happy to test patches!
Thanks,
Daniel
On 3/31/12, Daniel Drake <[email protected]> wrote:
> Hi,
>
> ext4 online resize crashes here. It has done since I first tested it
> during the 3.3-rc series. Reproducible every time.
> Reproduced on linus master of today.
According to dumpe2fs, the filesystem initially has 28 groups, that is
3.5GB, then it is resized to a new size. Right? Could you point out
what's the new size, a specific number will be appreciated!
Yongqiang.
>
> It fails in ext4_alloc_group_tables() :
> BUG_ON(src_group >= group_data[0].group + flex_gd->count);
>
> ------------[ cut here ]------------
> kernel BUG at fs/ext4/resize.c:236!
> invalid opcode: 0000 [#1] PREEMPT
> Modules linked in:
>
> Pid: 754, comm: resize2fs Not tainted 3.3.0+ #24 OLPC XO/XO
> EIP: 0060:[<b050c1dc>] EFLAGS: 00010246 CPU: 0
> EIP is at ext4_resize_fs+0x33e/0x7aa
> EAX: 0000001e EBX: eb4d0800 ECX: 00000007 EDX: e9bf5800
> ESI: 00000000 EDI: 00000000 EBP: e9d6decc ESP: e9d6de50
> DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
> CR0: 8005003b CR2: a754a746 CR3: 39d92000 CR4: 00000690
> DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
> DR6: ffff0ff0 DR7: 00000400
> Process resize2fs (pid: 754, ti=e9d6c000 task=e9d8b6c0 task.ti=e9d6c000)
> Stack:
> b04b5420 e9d6def4 e942c400 0000001d 000e817f 00000000 e6121780 00000000
> 00000001 00000001 00008000 00000000 000e8180 00000000 00000010 000e8000
> 00000000 00000000 00000000 0000001e e9be8800 e9bf5800 0000001c 0000001d
> Call Trace:
> [<b04b5420>] ? mntput_no_expire+0x27/0xe3
> [<b04f649a>] ext4_ioctl+0x726/0x850
> [<b0438a35>] ? get_parent_ip+0xb/0x31
> [<b0740196>] ? sub_preempt_count+0x81/0x8e
> [<b073de32>] ? _raw_spin_unlock_irqrestore+0x1c/0x32
> [<b055e09f>] ? __debug_check_no_obj_freed+0xe4/0x137
> [<b04f5d74>] ? ext4_bio_write_page+0x342/0x342
> [<b04adc03>] do_vfs_ioctl+0x459/0x48a
> [<b04a0873>] ? do_sys_open+0x166/0x170
> [<b04adc7a>] sys_ioctl+0x46/0x68
> [<b04a08a3>] ? sys_open+0x26/0x2e
> [<b0742610>] sysenter_do_call+0x12/0x26
> Code: ff 85 c0 74 19 8b 55 d0 8b 45 d4 e8 97 fa fd ff 8b 75 8c 0f b7
> 96 ce 00 00 00 8d 74 10 01 8b 55 d8 8b 42 08 03 03 39 45 d0 72 02 <0f>
> 0b 8b 45 d0 f7 65 ac c7 45 cc 00 00 00 00 89 45 ac 8b 45 c8
> EIP: [<b050c1dc>] ext4_resize_fs+0x33e/0x7aa SS:ESP 0068:e9d6de50
> ---[ end trace 6a35bc10f51f2ada ]---
>
> Filesystem was created with:
> mkfs.ext4 -O dir_index,^huge_file -E resize=8G -m1 -L OLPCRoot $root_loop
>
> If I add the following printk immediately before the BUG_ON:
> pr_info("src_group %d group %d count %d\n", src_group,
> group_data[0].group, flex_gd->count);
>
> The (complete) output is:
> src_group 29 group 29 count 1
> src_group 30 group 29 count 1
> <crash>
>
> dumpe2fs output:
>
> Filesystem volume name: OLPCRoot
> Last mounted on: /
> Filesystem UUID: 065cbf69-807e-4d2f-bf6d-67d79eebef89
> Filesystem magic number: 0xEF53
> Filesystem revision #: 1 (dynamic)
> Filesystem features: has_journal ext_attr resize_inode dir_index
> filetype needs_recovery extent flex_bg sparse_super large_file
> uninit_bg dir_nlink extra_isize
> Filesystem flags: signed_directory_hash
> Default mount options: journal_data_ordered user_xattr acl
> Filesystem state: clean
> Errors behavior: Continue
> Filesystem OS type: Linux
> Inode count: 232000
> Block count: 950272
> Reserved block count: 9262
> Free blocks: 440094
> Free inodes: 155413
> First block: 0
> Block size: 4096
> Fragment size: 4096
> Reserved GDT blocks: 226
> Blocks per group: 32768
> Fragments per group: 32768
> Inodes per group: 8000
> Inode blocks per group: 500
> Flex block group size: 16
> Filesystem created: Sat Mar 24 18:46:36 2012
> Last mount time: Fri Mar 30 15:58:23 2012
> Last write time: Thu Mar 29 22:06:20 2012
> Mount count: 16
> Maximum mount count: -1
> Last checked: Sat Mar 24 18:46:36 2012
> Check interval: 0 (<none>)
> Lifetime writes: 75 MB
> Reserved blocks uid: 0 (user root)
> Reserved blocks gid: 0 (group root)
> First inode: 11
> Inode size: 256
> Required extra isize: 28
> Desired extra isize: 28
> Journal inode: 8
> Default directory hash: half_md4
> Directory Hash Seed: 260f9726-4cbe-4147-9cf8-191517538697
> Journal backup: inode blocks
> Journal features: journal_incompat_revoke
> Journal size: 64M
> Journal length: 16384
> Journal sequence: 0x0000009b
> Journal start: 1
>
>
> Group 0: (Blocks 0-32767) [ITABLE_ZEROED]
> Checksum 0x3375, unused inodes 0
> Primary superblock at 0, Group descriptors at 1-1
> Reserved GDT blocks at 2-227
> Block bitmap at 228 (+228), Inode bitmap at 244 (+244)
> Inode table at 260-759 (+260)
> 15960 free blocks, 0 free inodes, 1662 directories
> Free blocks: 15733-15811, 16886, 16888-32767
> Free inodes:
> Group 1: (Blocks 32768-65535) [ITABLE_ZEROED]
> Checksum 0x4a7c, unused inodes 0
> Backup superblock at 32768, Group descriptors at 32769-32769
> Reserved GDT blocks at 32770-32995
> Block bitmap at 229 (bg #0 + 229), Inode bitmap at 245 (bg #0 + 245)
> Inode table at 760-1259 (bg #0 + 760)
> 0 free blocks, 0 free inodes, 2424 directories
> Free blocks:
> Free inodes:
> Group 2: (Blocks 65536-98303) [ITABLE_ZEROED]
> Checksum 0x9c9f, unused inodes 0
> Block bitmap at 230 (bg #0 + 230), Inode bitmap at 246 (bg #0 + 246)
> Inode table at 1260-1759 (bg #0 + 1260)
> 0 free blocks, 0 free inodes, 698 directories
> Free blocks:
> Free inodes:
> Group 3: (Blocks 98304-131071) [ITABLE_ZEROED]
> Checksum 0xeec9, unused inodes 0
> Backup superblock at 98304, Group descriptors at 98305-98305
> Reserved GDT blocks at 98306-98531
> Block bitmap at 231 (bg #0 + 231), Inode bitmap at 247 (bg #0 + 247)
> Inode table at 1760-2259 (bg #0 + 1760)
> 0 free blocks, 0 free inodes, 510 directories
> Free blocks:
> Free inodes:
> Group 4: (Blocks 131072-163839) [ITABLE_ZEROED]
> Checksum 0xb69b, unused inodes 0
> Block bitmap at 232 (bg #0 + 232), Inode bitmap at 248 (bg #0 + 248)
> Inode table at 2260-2759 (bg #0 + 2260)
> 0 free blocks, 53 free inodes, 2257 directories
> Free blocks:
> Free inodes: 39722-39774
> Group 5: (Blocks 163840-196607) [ITABLE_ZEROED]
> Checksum 0xfbbb, unused inodes 6754
> Backup superblock at 163840, Group descriptors at 163841-163841
> Reserved GDT blocks at 163842-164067
> Block bitmap at 233 (bg #0 + 233), Inode bitmap at 249 (bg #0 + 249)
> Inode table at 2760-3259 (bg #0 + 2760)
> 0 free blocks, 6768 free inodes, 812 directories, 6754 unused inodes
> Free blocks:
> Free inodes: 40779, 40790, 40793, 40796, 40810-40811, 40833,
> 40860-40863, 40865-40867, 41247-48000
> Group 6: (Blocks 196608-229375) [INODE_UNINIT, ITABLE_ZEROED]
> Checksum 0xd23b, unused inodes 8000
> Block bitmap at 234 (bg #0 + 234), Inode bitmap at 250 (bg #0 + 250)
> Inode table at 3260-3759 (bg #0 + 3260)
> 0 free blocks, 8000 free inodes, 0 directories, 8000 unused inodes
> Free blocks:
> Free inodes: 48001-56000
> Group 7: (Blocks 229376-262143) [INODE_UNINIT, ITABLE_ZEROED]
> Checksum 0x272c, unused inodes 8000
> Backup superblock at 229376, Group descriptors at 229377-229377
> Reserved GDT blocks at 229378-229603
> Block bitmap at 235 (bg #0 + 235), Inode bitmap at 251 (bg #0 + 251)
> Inode table at 3760-4259 (bg #0 + 3760)
> 0 free blocks, 8000 free inodes, 0 directories, 8000 unused inodes
> Free blocks:
> Free inodes: 56001-64000
> Group 8: (Blocks 262144-294911) [INODE_UNINIT, ITABLE_ZEROED]
> Checksum 0x026c, unused inodes 8000
> Block bitmap at 236 (bg #0 + 236), Inode bitmap at 252 (bg #0 + 252)
> Inode table at 4260-4759 (bg #0 + 4260)
> 0 free blocks, 8000 free inodes, 0 directories, 8000 unused inodes
> Free blocks:
> Free inodes: 64001-72000
> Group 9: (Blocks 294912-327679) [INODE_UNINIT, ITABLE_ZEROED]
> Checksum 0xe048, unused inodes 8000
> Backup superblock at 294912, Group descriptors at 294913-294913
> Reserved GDT blocks at 294914-295139
> Block bitmap at 237 (bg #0 + 237), Inode bitmap at 253 (bg #0 + 253)
> Inode table at 4760-5259 (bg #0 + 4760)
> 0 free blocks, 8000 free inodes, 0 directories, 8000 unused inodes
> Free blocks:
> Free inodes: 72001-80000
> Group 10: (Blocks 327680-360447) [INODE_UNINIT, ITABLE_ZEROED]
> Checksum 0xbf72, unused inodes 8000
> Block bitmap at 238 (bg #0 + 238), Inode bitmap at 254 (bg #0 + 254)
> Inode table at 5260-5759 (bg #0 + 5260)
> 0 free blocks, 8000 free inodes, 0 directories, 8000 unused inodes
> Free blocks:
> Free inodes: 80001-88000
> Group 11: (Blocks 360448-393215) [INODE_UNINIT, ITABLE_ZEROED]
> Checksum 0x4a65, unused inodes 8000
> Block bitmap at 239 (bg #0 + 239), Inode bitmap at 255 (bg #0 + 255)
> Inode table at 5760-6259 (bg #0 + 5760)
> 0 free blocks, 8000 free inodes, 0 directories, 8000 unused inodes
> Free blocks:
> Free inodes: 88001-96000
> Group 12: (Blocks 393216-425983) [INODE_UNINIT, ITABLE_ZEROED]
> Checksum 0xd728, unused inodes 8000
> Block bitmap at 240 (bg #0 + 240), Inode bitmap at 256 (bg #0 + 256)
> Inode table at 6260-6759 (bg #0 + 6260)
> 6932 free blocks, 8000 free inodes, 0 directories, 8000 unused inodes
> Free blocks: 401610-401623, 417312-417329, 417535-417793,
> 417795-417798, 417800-418625, 418683, 418750-418751, 418791,
> 418810-418815, 420061, 420173-420355, 420357-420867, 420869-421379,
> 421381-421891, 421893, 421895-422399, 422406-425983
> Free inodes: 96001-104000
> Group 13: (Blocks 425984-458751) [INODE_UNINIT, ITABLE_ZEROED]
> Checksum 0xdaf4, unused inodes 8000
> Block bitmap at 241 (bg #0 + 241), Inode bitmap at 257 (bg #0 + 257)
> Inode table at 6760-7259 (bg #0 + 6760)
> 14873 free blocks, 8000 free inodes, 0 directories, 8000 unused inodes
> Free blocks: 443879-458751
> Free inodes: 104001-112000
> Group 14: (Blocks 458752-491519) [INODE_UNINIT, BLOCK_UNINIT, ITABLE_ZEROED]
> Checksum 0x4691, unused inodes 8000
> Block bitmap at 242 (bg #0 + 242), Inode bitmap at 258 (bg #0 + 258)
> Inode table at 7260-7759 (bg #0 + 7260)
> 32768 free blocks, 8000 free inodes, 0 directories, 8000 unused inodes
> Free blocks: 458752-491519
> Free inodes: 112001-120000
> Group 15: (Blocks 491520-524287) [INODE_UNINIT, BLOCK_UNINIT, ITABLE_ZEROED]
> Checksum 0xb386, unused inodes 8000
> Block bitmap at 243 (bg #0 + 243), Inode bitmap at 259 (bg #0 + 259)
> Inode table at 7760-8259 (bg #0 + 7760)
> 32768 free blocks, 8000 free inodes, 0 directories, 8000 unused inodes
> Free blocks: 491520-524287
> Free inodes: 120001-128000
> Group 16: (Blocks 524288-557055) [ITABLE_ZEROED]
> Checksum 0x13b4, unused inodes 0
> Block bitmap at 524288 (+0), Inode bitmap at 524304 (+16)
> Inode table at 524320-524819 (+32)
> 18654 free blocks, 0 free inodes, 1869 directories
> Free blocks: 538402-557055
> Free inodes:
> Group 17: (Blocks 557056-589823) [ITABLE_ZEROED]
> Checksum 0x4522, unused inodes 0
> Block bitmap at 524289 (bg #16 + 1), Inode bitmap at 524305 (bg #16 + 17)
> Inode table at 524820-525319 (bg #16 + 532)
> 0 free blocks, 0 free inodes, 1947 directories
> Free blocks:
> Free inodes:
> Group 18: (Blocks 589824-622591) [ITABLE_ZEROED]
> Checksum 0x31d3, unused inodes 0
> Block bitmap at 524290 (bg #16 + 2), Inode bitmap at 524306 (bg #16 + 18)
> Inode table at 525320-525819 (bg #16 + 1032)
> 0 free blocks, 0 free inodes, 464 directories
> Free blocks:
> Free inodes:
> Group 19: (Blocks 622592-655359) [ITABLE_ZEROED]
> Checksum 0x6ead, unused inodes 0
> Block bitmap at 524291 (bg #16 + 3), Inode bitmap at 524307 (bg #16 + 19)
> Inode table at 525820-526319 (bg #16 + 1532)
> 23683 free blocks, 0 free inodes, 729 directories
> Free blocks: 631165-631295, 631808-655359
> Free inodes:
> Group 20: (Blocks 655360-688127) [ITABLE_ZEROED]
> Checksum 0x48ee, unused inodes 4591
> Block bitmap at 524292 (bg #16 + 4), Inode bitmap at 524308 (bg #16 + 20)
> Inode table at 526320-526819 (bg #16 + 2032)
> 32768 free blocks, 4591 free inodes, 2453 directories, 4591 unused inodes
> Free blocks: 655360-688127
> Free inodes: 163410-168000
> Group 21: (Blocks 688128-720895) [INODE_UNINIT, BLOCK_UNINIT, ITABLE_ZEROED]
> Checksum 0x3e6e, unused inodes 8000
> Block bitmap at 524293 (bg #16 + 5), Inode bitmap at 524309 (bg #16 + 21)
> Inode table at 526820-527319 (bg #16 + 2532)
> 32768 free blocks, 8000 free inodes, 0 directories, 8000 unused inodes
> Free blocks: 688128-720895
> Free inodes: 168001-176000
> Group 22: (Blocks 720896-753663) [INODE_UNINIT, BLOCK_UNINIT, ITABLE_ZEROED]
> Checksum 0x59ba, unused inodes 8000
> Block bitmap at 524294 (bg #16 + 6), Inode bitmap at 524310 (bg #16 + 22)
> Inode table at 527320-527819 (bg #16 + 3032)
> 32768 free blocks, 8000 free inodes, 0 directories, 8000 unused inodes
> Free blocks: 720896-753663
> Free inodes: 176001-184000
> Group 23: (Blocks 753664-786431) [INODE_UNINIT, BLOCK_UNINIT, ITABLE_ZEROED]
> Checksum 0x8370, unused inodes 8000
> Block bitmap at 524295 (bg #16 + 7), Inode bitmap at 524311 (bg #16 + 23)
> Inode table at 527820-528319 (bg #16 + 3532)
> 32768 free blocks, 8000 free inodes, 0 directories, 8000 unused inodes
> Free blocks: 753664-786431
> Free inodes: 184001-192000
> Group 24: (Blocks 786432-819199) [INODE_UNINIT, BLOCK_UNINIT, ITABLE_ZEROED]
> Checksum 0x2fb2, unused inodes 8000
> Block bitmap at 524296 (bg #16 + 8), Inode bitmap at 524312 (bg #16 + 24)
> Inode table at 528320-528819 (bg #16 + 4032)
> 32768 free blocks, 8000 free inodes, 0 directories, 8000 unused inodes
> Free blocks: 786432-819199
> Free inodes: 192001-200000
> Group 25: (Blocks 819200-851967) [INODE_UNINIT, ITABLE_ZEROED]
> Checksum 0x93ca, unused inodes 8000
> Backup superblock at 819200, Group descriptors at 819201-819201
> Reserved GDT blocks at 819202-819427
> Block bitmap at 524297 (bg #16 + 9), Inode bitmap at 524313 (bg #16 + 25)
> Inode table at 528820-529319 (bg #16 + 4532)
> 32540 free blocks, 8000 free inodes, 0 directories, 8000 unused inodes
> Free blocks: 819428-851967
> Free inodes: 200001-208000
> Group 26: (Blocks 851968-884735) [INODE_UNINIT, BLOCK_UNINIT, ITABLE_ZEROED]
> Checksum 0x7f73, unused inodes 8000
> Block bitmap at 524298 (bg #16 + 10), Inode bitmap at 524314 (bg #16 + 26)
> Inode table at 529320-529819 (bg #16 + 5032)
> 32768 free blocks, 8000 free inodes, 0 directories, 8000 unused inodes
> Free blocks: 851968-884735
> Free inodes: 208001-216000
> Group 27: (Blocks 884736-917503) [INODE_UNINIT, ITABLE_ZEROED]
> Checksum 0x2ed4, unused inodes 8000
> Backup superblock at 884736, Group descriptors at 884737-884737
> Reserved GDT blocks at 884738-884963
> Block bitmap at 524299 (bg #16 + 11), Inode bitmap at 524315 (bg #16 + 27)
> Inode table at 529820-530319 (bg #16 + 5532)
> 32540 free blocks, 8000 free inodes, 0 directories, 8000 unused inodes
> Free blocks: 884964-917503
> Free inodes: 216001-224000
> Group 28: (Blocks 917504-950271) [INODE_UNINIT, ITABLE_ZEROED]
> Checksum 0x4366, unused inodes 8000
> Block bitmap at 524300 (bg #16 + 12), Inode bitmap at 524316 (bg #16 + 28)
> Inode table at 530320-530819 (bg #16 + 6032)
> 32768 free blocks, 8000 free inodes, 0 directories, 8000 unused inodes
> Free blocks: 917504-950271
> Free inodes: 224001-232000
>
> Happy to test patches!
>
> Thanks,
> Daniel
>
--
Best Wishes
Yongqiang Yang
On Fri, Mar 30, 2012 at 6:30 PM, Yongqiang Yang <[email protected]> wrote:
> According to dumpe2fs, the filesystem initially has 28 groups, that is
> 3.5GB, then it is resized to a new size. Right? ?Could you point out
> what's the new size, a specific number will be appreciated!
That's right. The filesystem is being grown by approximately 100mb.
I'll get you the exact numbers on Monday.
Thanks,
Daniel
On Sat, Mar 31, 2012 at 6:53 PM, Daniel Drake <[email protected]> wrote:
> That's right. The filesystem is being grown by approximately 100mb.
> I'll get you the exact numbers on Monday.
Actually, I just realised I have them here.
The partition was originally 7409856 sectors, I enlarged it to 7605248
sectors and then tried to grow the ext4 filesystem contained inside.
Thanks,
Daniel
On Sat, 31 Mar 2012, Daniel Drake wrote:
> On Sat, Mar 31, 2012 at 6:53 PM, Daniel Drake <[email protected]> wrote:
> > That's right. The filesystem is being grown by approximately 100mb.
> > I'll get you the exact numbers on Monday.
>
> Actually, I just realised I have them here.
> The partition was originally 7409856 sectors, I enlarged it to 7605248
> sectors and then tried to grow the ext4 filesystem contained inside.
>
> Thanks,
> Daniel
> --
> To unsubscribe from this list: send the line "unsubscribe linux-ext4" in
> the body of a message to [email protected]
> More majordomo info at http://vger.kernel.org/majordomo-info.html
>
Hi Daniel,
there is a fix bug that happens when resizing the file system in a way
that a new size is still in the same group:
a0ade1deb86d2325aecc36272bb4505a6eec9235
ext4: fix resize when resizing within single group
I am not sure if that really solves your problem, since the actual bug
in you backtrace happens somewhere else, but you can give it a try. It
was merged into the main line just recently.
Thanks!
-Lukas
Hi Lukas,
On Sat, Mar 31, 2012 at 8:17 PM, Lukas Czerner <[email protected]> wrote:
> there is a fix bug that happens when resizing the file system in a way
> that a new size is still in the same group:
>
> a0ade1deb86d2325aecc36272bb4505a6eec9235
> ? ? ? ?ext4: fix resize when resizing within single group
>
> I am not sure if that really solves your problem, since the actual bug
> in you backtrace happens somewhere else, but you can give it a try. It
> was merged into the main line just recently.
Thanks for the suggestion but I am already using latest mainline which
includes that patch.
Daniel