trying to run 'mkfs.jfs /dev/loop1' on a file backed cryptoloop using
aes creates following OOPS. System is a P3m, UP with enabled preemption.
kernel BUG at mm/filemap.c:1930!
invalid operand: 0000 [#1]
PREEMPT
CPU: 0
EIP: 0060:[<c013e919>] Not tainted VLI
EFLAGS: 00010282
EIP is at generic_file_aio_write_nolock+0xe9/0x100
eax: c1523c20 ebx: 0ff01000 ecx: c156bdab edx: c014b1ab
esi: 00000000 edi: cfc19f6c ebp: cfc19e84 esp: cfc19e40
ds: 007b es: 007b ss: 0068
Process mkfs.jfs (pid: 8985, threadinfo=cfc18000 task=cb42b920)
Stack: 00000000 cfc18000 c03837d0 c0383898 c03837d0 cf84dba0 cf84dc30 cbd635e0
cfc19e84 cbd635e0 0ff01000 00000000 c013ea92 cfc19e84 cfc19f6c 00000001
cbd63600 00000000 00000002 00000000 00000001 ffffffff cbd635e0 c20a630c
Call Trace:
[<c013ea92>] __crc_generic_read_dir+0x14/0x32
[<c014b1ab>] do_anonymous_page+0x13b/0x250
[<c011d630>] autoremove_wake_function+0x0/0x50
[<c01192dc>] do_page_fault+0x23c/0x456
[<c01d94b2>] tty_read+0xf2/0x170
[<c0163107>] blkdev_file_write+0x37/0x40
[<c0159ce2>] vfs_write+0xe2/0x150
[<c0159e02>] sys_write+0x42/0x70
[<c03320cb>] syscall_call+0x7/0xb
Code: f2 90 89 7c 24 04 8b 44 24 40 c7 44 24 08 01 00 00 00 89 2c 24 89 44 24 0c e8 74 f3 ff ff 83 7d 10 ff 89 c7 75 cd e9 6f ff ff ff <0f> 0b 8a 07 9f a1 34 c0 e9 53 ff ff ff 8d 76 00 8d bc 27 00 00
--Andreas
Andreas Happe <[email protected]> wrote:
>
> trying to run 'mkfs.jfs /dev/loop1' on a file backed cryptoloop using
> aes creates following OOPS. System is a P3m, UP with enabled preemption.
>
> kernel BUG at mm/filemap.c:1930!
It's a bogus check. Please just delete line 1930 of mm/filemap.c.