Sorry for the lack of response to your original report. On Mon, 2013-01-07 at 09:18 -0700, Will Aoki wrote: > found 657690 linux-2.6/2.6.32-46 > thanks > > After months of quiet, this problem has reared its head again. This time > the system is still responsive. The system configuration is the same as > mentioned previously, except that the flash drive is no longer attached. I don't suppose there were any other XFS-related errors in the kernel log? > [7617112.478337] general protection fault: 0000 [#1] SMP > [7617112.478369] last sysfs file: /sys/devices/virtual/block/md0/md/mismatch_cnt > [7617112.478402] CPU 0 > [7617112.478423] Modules linked in: rpcsec_gss_krb5 nfsd nfs lockd fscache nfs_acl a > [7617112.478722] Pid: 47, comm: kswapd0 Not tainted 2.6.32-5-amd64 #1 > [7617112.478760] RIP: 0010:[<ffffffffa01c0449>] [<ffffffffa01c0449>] xfs_count_page > [7617112.478836] RSP: 0018:ffff8801254ef968 EFLAGS: 00010207 > [7617112.478872] RAX: ffff8801000000c0 RBX: ffffea0000ff0008 RCX: ffff8801254ef9c4 > [7617112.478929] RDX: ffff8801254ef9c8 RSI: ffff8801254ef9cc RDI: ffffea0000ff0008 > [7617112.478989] RBP: 00000000000000d0 R08: 27a78c762204feef R09: 365c4a93b1e9e885 > [7617112.479048] R10: ffff880127c20080 R11: ffffffffa01c19fb R12: ffff880126540d90 > [7617112.479108] R13: ffff880126540eb0 R14: dead000000100101 R15: ffff8801254efe10 > [7617112.479168] FS: 0000000000000000(0000) GS:ffff880005200000(0000) knlGS:0000000 > [7617112.479230] CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b > [7617112.479267] CR2: 00000000016235e0 CR3: 00000000a9828000 CR4: 00000000000006f0 > [7617112.479324] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > [7617112.479383] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 > [7617112.479440] Process kswapd0 (pid: 47, threadinfo ffff8801254ee000, task ffff880 > [7617112.479502] Stack: > [7617112.479528] ffffffffa01c1a4b 0000000000000000 0000000000000000 000000000000000 > [7617112.479569] <0> 0000000000000000 0000000000000001 0000000000000000 000000000000 > [7617112.479633] <0> 0000000000000000 0000000000000000 ffffea0000ff0008 0000000100ff > [7617112.479717] Call Trace: > [7617112.479753] [<ffffffffa01c1a4b>] ? xfs_vm_releasepage+0x50/0xa5 [xfs] > [7617112.479796] [<ffffffff810be75d>] ? shrink_page_list+0x48d/0x623 > [7617112.479836] [<ffffffff810114ce>] ? common_interrupt+0xe/0x13 > [7617112.479873] [<ffffffff810bd710>] ? isolate_pages_global+0xa1/0x20f > [7617112.479911] [<ffffffff810bf028>] ? shrink_list+0x45c/0x767 > [7617112.479948] [<ffffffff81064f67>] ? bit_waitqueue+0x10/0xa0 > [7617112.479987] [<ffffffff811315ca>] ? proc_delete_inode+0x0/0x40 > [7617112.480024] [<ffffffff810bb255>] ? determine_dirtyable_memory+0xd/0x1d > [7617112.480063] [<ffffffff8103fc3e>] ? update_curr+0xa6/0x147 > [7617112.480100] [<ffffffff810bf5b3>] ? shrink_zone+0x280/0x342 > [7617112.480137] [<ffffffff810bffd8>] ? kswapd+0x4b9/0x686 > [7617112.480171] [<ffffffff810bd66f>] ? isolate_pages_global+0x0/0x20f > [7617112.480209] [<ffffffff81065046>] ? autoremove_wake_function+0x0/0x2e > [7617112.480249] [<ffffffff8103aa06>] ? __wake_up_common+0x44/0x72 > [7617112.480286] [<ffffffff810bfb1f>] ? kswapd+0x0/0x686 > [7617112.480320] [<ffffffff81064d79>] ? kthread+0x79/0x81 > [7617112.480356] [<ffffffff81011baa>] ? child_rip+0xa/0x20 > [7617112.480391] [<ffffffff81064d00>] ? kthread+0x0/0x81 > [7617112.480423] [<ffffffff81011ba0>] ? child_rip+0x0/0x20 > [7617112.480457] Code: 49 89 1f eb ef 90 c7 01 00 00 00 00 c7 02 00 00 00 00 c7 06 0 > [7617112.480607] RIP [<ffffffffa01c0449>] xfs_count_page_state+0x25/0x66 [xfs] > [7617112.480654] RSP <ffff8801254ef968> > [7617112.480857] ---[ end trace 56748dedc4909bd1 ]--- I could find one very similar looking crash reported elsewhere: http://article.gmane.org/gmane.comp.file-systems.xfs.general/36175 but there was no useful response to that. I also couldn't see any later changes to XFS that look like they might relate to this bug. Ben. -- Ben Hutchings All the simple programs have been written, and all the good names taken.
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