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    SubjectRe: oops when using git gc --auto
    Date
    On Wednesday 27 February 2008 00:22, Otavio Salvador wrote:
    > Hello,
    >
    > Today I got this oops, someone has an idea of what's going wrong?
    >
    > Unable to handle kernel paging request at 0000020000000000 RIP:
    > [<ffffffff802735c3>] find_get_pages+0x3c/0x69

    At this point, the most likely candidate is a memory corruption
    error, probably hardware. Can you run memtest86 for a few hours
    to get a bit more confidence in the hw (preferably overnight)?

    I did recently see another quite similar corruption in the
    pagecache radix-tree, though. Coincidence maybe?

    > PGD 0
    > Oops: 0000 [1] SMP
    > CPU 3
    > Modules linked in: sha256_generic aes_generic aes_x86_64 cbc blkcipher
    > nvidia(P) rfcomm l2cap bluetooth ac battery ipv6 nfs lockd nfs_acl sunrpc
    > bridge ext2 mbcache dm_crypt tun kvm_intel kvm loop snd_usb_audio
    > snd_usb_lib snd_rawmidi snd_hda_intel e1000e i2c_i801 serio_raw
    > snd_seq_device snd_pcm intel_agp button snd_timer pcspkr psmouse snd_hwdep
    > snd snd_page_alloc soundcore evdev i2c_core xfs dm_mirror dm_snapshot
    > dm_mod raid0 md_mod sg sr_mod cdrom sd_mod usbhid hid usb_storage
    > pata_marvell floppy ahci ata_generic libata scsi_mod ehci_hcd uhci_hcd
    > thermal processor fan Pid: 15684, comm: git Tainted: P
    > 2.6.24-1-amd64 #1
    > RIP: 0010:[<ffffffff802735c3>] [<ffffffff802735c3>]
    > find_get_pages+0x3c/0x69 RSP: 0018:ffff8100394dfd98 EFLAGS: 00010097
    > RAX: 0000000000000009 RBX: 000000000000000e RCX: 0000000000000009
    > RDX: 0000020000000000 RSI: 000000000000000a RDI: 0000000000000040
    > RBP: ffff810042964350 R08: 0000000000000040 R09: 000000000000000a
    > R10: ffff8100425a06c8 R11: 000000000000000a R12: 000000000000000e
    > R13: ffff8100394dfdf8 R14: ffff810042964350 R15: 0000000000000000
    > FS: 00002ae326df2190(0000) GS:ffff81007d7aeb40(0000)
    > knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
    > CR2: 0000020000000000 CR3: 00000000358f9000 CR4: 00000000000026e0
    > DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
    > DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
    > Process git (pid: 15684, threadinfo ffff8100394de000, task
    > ffff8100359cd800) Stack: 000000000000000d ffff8100394dfde8
    > 000000000000000d 000000000000000e 000000000000000e ffffffff802794d6
    > ffff8100014a7768 ffffffff80279b04 0000000000000000 ffffffffffffffff
    > 0000000000000000 0000000000000000 Call Trace:
    > [<ffffffff802794d6>] pagevec_lookup+0x17/0x1e
    > [<ffffffff80279b04>] truncate_inode_pages_range+0x108/0x2bd
    > [<ffffffff802a9e3a>] generic_delete_inode+0xbf/0x127
    > [<ffffffff802a1a4d>] do_unlinkat+0xd5/0x144
    > [<ffffffff802989e2>] sys_write+0x45/0x6e
    > [<ffffffff8020be2e>] system_call+0x7e/0x83
    >
    >
    > Code: 48 8b 02 25 00 40 02 00 48 3d 00 40 02 00 75 04 48 8b 52 10
    > RIP [<ffffffff802735c3>] find_get_pages+0x3c/0x69
    > RSP <ffff8100394dfd98>
    > CR2: 0000020000000000
    > ---[ end trace cb43a9f4488b815a ]---



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