From: Li Xi Subject: Re: [v14 3/4] ext4: adds FS_IOC_FSSETXATTR/FS_IOC_FSGETXATTR interface support Date: Wed, 29 Apr 2015 19:45:40 +0800 Message-ID: References: <1429728997-21464-1-git-send-email-lixi@ddn.com> <1429728997-21464-4-git-send-email-lixi@ddn.com> <20150426232033.GQ15810@dastard> <20150428044331.GV21261@dastard> <20150429075924.GB31089@quack.suse.cz> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Cc: Dave Chinner , "linux-fsdevel@vger.kernel.org" , Ext4 Developers List , "Theodore Ts'o" , Andreas Dilger , "viro@zeniv.linux.org.uk" , "hch@infradead.org" , Dmitry Monakhov , John Stultz , Thomas Gleixner To: Jan Kara Return-path: In-Reply-To: <20150429075924.GB31089@quack.suse.cz> Sender: linux-fsdevel-owner@vger.kernel.org List-Id: linux-ext4.vger.kernel.org On Wed, Apr 29, 2015 at 3:59 PM, Jan Kara wrote: > Hi, > > On Wed 29-04-15 13:49:08, Li Xi wrote: >> Thanks for the advices. I tried to run latest xfstests again. However, > Dave actually asked you to update 'xfsprogs' not xfstests. Not that > updating xfstests would be a wrong thing to do but you still need to update > xfsprogs for xfstests to be able to run some tests. But that's unrelated to > the oops you reported below. Understood. I updated both xfstests and xfsprogs to the latest version from git repository. However, I didn't update xfsdump because of a build failure caused by missing definitons of 'min' and 'max' > >> the kernel crashed when runing generic/051 generic/054 and >> generic/055. And please note that the kernel also crashed on original >> linux-4.0 without any of my patches. Following is one of the dump >> stack: > It looks like some issue with timers. John, Thomas, any idea? > > Honza > >> run fstests generic/055 at 2015-04-29 13:43:39 >> ------------[ cut here ]------------ >> WARNING: CPU: 0 PID: 31915 at lib/list_debug.c:33 __list_add+0xbe/0xd0() >> list_add corruption. prev->next should be next (ffffffff81e05018), but >> was (null). (prev=ffff8800d8ff3ca0). >> Modules linked in: dm_flakey xfs exportfs libcrc32c nfsv3 nfs_acl >> rpcsec_gss_krb5 auth_rpcgss oid_registry nfsv4 nfs fscache lockd grace >> sunrpc ipv6 dm_mirror dm_region_hash dm_log dm_mod ppdev floppy >> parport_pc parport microcode pcspkr virtio_balloon sg 8139too 8139cp >> mii i2c_piix4 i2c_core ext4 jbd2 mbcache sr_mod cdrom sd_mod pata_acpi >> ata_generic ata_piix virtio_pci virtio_ring virtio [last unloaded: >> speedstep_lib] >> CPU: 0 PID: 31915 Comm: kworker/0:0 Not tainted 4.0.0+ #1 >> Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2007 >> Workqueue: events vmstat_shepherd >> 0000000000000021 ffff8800db177bf8 ffffffff815ccaf6 0000000000000021 >> ffff8800db177c48 ffff8800db177c38 ffffffff81059fc5 ffff8800db177c38 >> ffffffff81a8d480 ffffffff81e05018 ffff8800d8ff3ca0 0000000000000000 >> Call Trace: >> [] dump_stack+0x48/0x5a >> [] warn_slowpath_common+0x95/0xe0 >> [] warn_slowpath_fmt+0x46/0x70 >> [] __list_add+0xbe/0xd0 >> [] __internal_add_timer+0x9b/0x110 >> [] internal_add_timer+0x39/0x90 >> [] mod_timer+0xf9/0x1d0 >> [] add_timer+0x18/0x30 >> [] __queue_delayed_work+0x92/0x1a0 >> [] queue_delayed_work_on+0x1d/0x40 >> [] vmstat_shepherd+0x10c/0x120 >> [] process_one_work+0x14d/0x440 >> [] worker_thread+0x11f/0x3d0 >> [] ? __schedule+0x36f/0x800 >> [] ? process_one_work+0x440/0x440 >> [] ? process_one_work+0x440/0x440 >> [] kthread+0xce/0xf0 >> [] ? __do_page_fault+0x17e/0x430 >> [] ? kthread_freezable_should_stop+0x70/0x70 >> [] ret_from_fork+0x42/0x70 >> [] ? kthread_freezable_should_stop+0x70/0x70 >> ---[ end trace 97c6b752be15ac57 ]--- >> XFS (sdb2): Mounting V4 Filesystem >> XFS (sdb2): Ending clean mount >> XFS (sdb2): Quotacheck needed: Please wait. >> XFS (sdb2): Quotacheck: Done. >> XFS (sdb2): xfs_log_force: error -5 returned. >> XFS (sdb2): xfs_log_force: error -5 returned. >> XFS (sdb2): xfs_log_force: error -5 returned. >> BUG: unable to handle kernel NULL pointer dereference at 0000000000000018 >> IP: [] get_next_timer_interrupt+0x158/0x230 >> PGD d8e7a067 PUD db654067 PMD 0 >> Oops: 0000 [#1] SMP >> Modules linked in: dm_flakey xfs exportfs libcrc32c nfsv3 nfs_acl >> rpcsec_gss_krb5 auth_rpcgss oid_registry nfsv4 nfs fscache lockd grace >> sunrpc ipv6 dm_mirror dm_region_hash dm_log dm_mod ppdev floppy >> parport_pc parport microcode pcspkr virtio_balloon sg 8139too 8139cp >> mii i2c_piix4 i2c_core ext4 jbd2 mbcache sr_mod cdrom sd_mod pata_acpi >> ata_generic ata_piix virtio_pci virtio_ring virtio [last unloaded: >> speedstep_lib] >> CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 4.0.0+ #1 >> Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2007 >> task: ffffffff81a134a0 ti: ffffffff81a00000 task.ti: ffffffff81a00000 >> RIP: 0010:[] [] >> get_next_timer_interrupt+0x158/0x230 >> RSP: 0018:ffff88011fc03e48 EFLAGS: 00010013 >> RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff81e05008 >> RDX: 0000000000000001 RSI: 0000000000000011 RDI: ffffffff81e04ef8 >> RBP: ffff88011fc03ea8 R08: 0000000000000011 R09: 0000000001000551 >> R10: ffff88011fc03e60 R11: ffff88011fc03e78 R12: 0000000140055030 >> R13: 0000000100055031 R14: ffffffff81e03ec0 R15: 0000000000000040 >> FS: 0000000000000000(0000) GS:ffff88011fc00000(0000) knlGS:0000000000000000 >> CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b >> CR2: 0000000000000018 CR3: 00000000d8d8f000 CR4: 00000000000006f0 >> Stack: >> ffff88011fc03e88 ffffffff810bbdf7 ffffffff81e04ef8 ffffffff81e052f8 >> ffffffff81e056f8 ffffffff81e05af8 0000000000000000 ffff88011fc0f8a0 >> 0000000100055031 0000000000000000 ffff88011fc0bfc0 ffffffff81a00000 >> Call Trace: >> >> [] ? call_timer_fn+0x47/0x110 >> [] tick_nohz_stop_sched_tick+0x1cd/0x310 >> [] __tick_nohz_idle_enter+0xa8/0x150 >> [] tick_nohz_irq_exit+0x2d/0x40 >> [] irq_exit+0x9f/0xc0 >> [] smp_apic_timer_interrupt+0x4a/0x59 >> [] apic_timer_interrupt+0x6b/0x70 >> >> [] ? default_idle+0x20/0xb0 >> [] arch_cpu_idle+0xf/0x20 >> [] cpuidle_idle_call+0x89/0x220 >> [] ? __atomic_notifier_call_chain+0x12/0x20 >> [] cpu_idle_loop+0x135/0x1f0 >> [] cpu_startup_entry+0x13/0x20 >> [] rest_init+0x7c/0x80 >> [] start_kernel+0x3d8/0x3df >> [] ? set_init_arg+0x5d/0x5d >> [] ? memblock_reserve+0x4c/0x51 >> [] x86_64_start_reservations+0x2a/0x2c >> [] x86_64_start_kernel+0x135/0x13c >> Code: 00 48 89 45 c8 45 89 c8 41 83 e0 3f 44 89 c6 0f 1f 40 00 48 63 >> ce 48 c1 e1 04 48 8b 04 39 48 8d 0c 0f 48 39 c8 74 22 0f 1f 40 00 >> 40 18 01 75 10 48 8b 50 10 48 39 da 48 0f 48 da ba 01 00 00 >> RIP [] get_next_timer_interrupt+0x158/0x230 >> RSP >> CR2: 0000000000000018 > -- > Jan Kara > SUSE Labs, CR