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. > 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: > [<ffffffff815ccaf6>] dump_stack+0x48/0x5a > [<ffffffff81059fc5>] warn_slowpath_common+0x95/0xe0 > [<ffffffff8105a0c6>] warn_slowpath_fmt+0x46/0x70 > [<ffffffff812c04fe>] __list_add+0xbe/0xd0 > [<ffffffff810bb84b>] __internal_add_timer+0x9b/0x110 > [<ffffffff810bb8f9>] internal_add_timer+0x39/0x90 > [<ffffffff810bd8c9>] mod_timer+0xf9/0x1d0 > [<ffffffff810bd9b8>] add_timer+0x18/0x30 > [<ffffffff81071a22>] __queue_delayed_work+0x92/0x1a0 > [<ffffffff81071bcd>] queue_delayed_work_on+0x1d/0x40 > [<ffffffff81160d5c>] vmstat_shepherd+0x10c/0x120 > [<ffffffff810722ed>] process_one_work+0x14d/0x440 > [<ffffffff810726ff>] worker_thread+0x11f/0x3d0 > [<ffffffff815ccfaf>] ? __schedule+0x36f/0x800 > [<ffffffff810725e0>] ? process_one_work+0x440/0x440 > [<ffffffff810725e0>] ? process_one_work+0x440/0x440 > [<ffffffff810774ce>] kthread+0xce/0xf0 > [<ffffffff8104d96e>] ? __do_page_fault+0x17e/0x430 > [<ffffffff81077400>] ? kthread_freezable_should_stop+0x70/0x70 > [<ffffffff815d1052>] ret_from_fork+0x42/0x70 > [<ffffffff81077400>] ? 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: [<ffffffff810bbc88>] 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:[<ffffffff810bbc88>] [<ffffffff810bbc88>] > 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: > <IRQ> > [<ffffffff810bbdf7>] ? call_timer_fn+0x47/0x110 > [<ffffffff810cdf1d>] tick_nohz_stop_sched_tick+0x1cd/0x310 > [<ffffffff810ce108>] __tick_nohz_idle_enter+0xa8/0x150 > [<ffffffff810ce1dd>] tick_nohz_irq_exit+0x2d/0x40 > [<ffffffff8105deaf>] irq_exit+0x9f/0xc0 > [<ffffffff815d34aa>] smp_apic_timer_interrupt+0x4a/0x59 > [<ffffffff815d1a3b>] apic_timer_interrupt+0x6b/0x70 > <EOI> > [<ffffffff8100f100>] ? default_idle+0x20/0xb0 > [<ffffffff8100e74f>] arch_cpu_idle+0xf/0x20 > [<ffffffff810986a9>] cpuidle_idle_call+0x89/0x220 > [<ffffffff81078232>] ? __atomic_notifier_call_chain+0x12/0x20 > [<ffffffff81098975>] cpu_idle_loop+0x135/0x1f0 > [<ffffffff81098a43>] cpu_startup_entry+0x13/0x20 > [<ffffffff815c5e1c>] rest_init+0x7c/0x80 > [<ffffffff81b4e372>] start_kernel+0x3d8/0x3df > [<ffffffff81b4ddb8>] ? set_init_arg+0x5d/0x5d > [<ffffffff815cb906>] ? memblock_reserve+0x4c/0x51 > [<ffffffff81b4d5ad>] x86_64_start_reservations+0x2a/0x2c > [<ffffffff81b4d6e4>] 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 <f6> > 40 18 01 75 10 48 8b 50 10 48 39 da 48 0f 48 da ba 01 00 00 > RIP [<ffffffff810bbc88>] get_next_timer_interrupt+0x158/0x230 > RSP <ffff88011fc03e48> > CR2: 0000000000000018 -- Jan Kara <jack@xxxxxxx> SUSE Labs, CR -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
