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    SubjectRe: 2.5.70-mm3
    Date
    On Saturday 31 May 2003 09:37, Andrew Morton wrote:
    >
    > . More ext3 fixes. It seems fully recovered now.
    >
    > . Some cleanups and enhancements to the O_SYNC rework.
    >
    > . A couple of fairly significant reiserfs enhancements. See the changelogs
    > in the individual patches for details.
    >

    Not sure if this is related to the -mm patches or the bk snapshot, but I left
    2.5.70-mm3 compiling KDE all last night, and when I got up this morning I
    found the machine had oopsed and was in an unusable state. Though I wasn't
    able to note down the final oops, I did get two warnings that were dumped to
    kern.log moments before the machine died.

    Bad page state at free_hot_cold_page
    flags:0x01010000 mapping:00000000 mapped:1 count:0
    Backtrace:
    Call Trace:
    [bad_page+93/144] bad_page+0x5d/0x90
    [free_hot_cold_page+112/256] free_hot_cold_page+0x70/0x100
    [zap_pte_range+385/448] zap_pte_range+0x181/0x1c0
    [do_wp_page+437/848] do_wp_page+0x1b5/0x350
    [zap_pmd_range+75/112] zap_pmd_range+0x4b/0x70
    [unmap_page_range+75/128] unmap_page_range+0x4b/0x80
    [unmap_vmas+254/544] unmap_vmas+0xfe/0x220
    [exit_mmap+109/384] exit_mmap+0x6d/0x180
    [mmput+65/176] mmput+0x41/0xb0
    [do_exit+243/832] do_exit+0xf3/0x340
    [do_group_exit+52/128] do_group_exit+0x34/0x80
    [sysenter_past_esp+82/113] sysenter_past_esp+0x52/0x71

    Trying to fix it up, but a reboot is needed
    Bad page state at prep_new_page
    flags:0x01010000 mapping:00000000 mapped:1 count:0
    Backtrace:
    Call Trace:
    [bad_page+93/144] bad_page+0x5d/0x90
    [prep_new_page+64/96] prep_new_page+0x40/0x60
    [buffered_rmqueue+167/320] buffered_rmqueue+0xa7/0x140
    [ext3_readpages+0/48] ext3_readpages+0x0/0x30
    [__alloc_pages+144/848] __alloc_pages+0x90/0x350
    [__get_free_pages+26/80] __get_free_pages+0x1a/0x50
    [cache_grow+161/544] cache_grow+0xa1/0x220
    [cache_alloc_refill+324/512] cache_alloc_refill+0x144/0x200
    [kmem_cache_alloc+62/64] kmem_cache_alloc+0x3e/0x40
    [__kfree_skb+68/272] alloc_skb+0x24/0xe0
    [sock_no_connect+7/16] sock_alloc_send_pskb+0xc7/0x1d0
    [sock_no_sendpage+111/192] sock_alloc_send_skb+0x2f/0x40
    [sense_data_texts+692/1008] unix_dgram_sendmsg+0x134/0x4d0
    [__generic_file_aio_read+468/528] __generic_file_aio_read+0x1d4/0x210
    [ide_build_dmatable+128/416] ide_build_sglist+0x40/0xb0
    [vlan_ioctl_set+19/48] sock_aio_write+0xc3/0xf0
    [do_sync_write+182/240] do_sync_write+0xb6/0xf0
    [update_wall_time+22/64] update_wall_time+0x16/0x40
    [do_IRQ+197/240] do_IRQ+0xc5/0xf0
    [autoremove_wake_function+0/80] autoremove_wake_function+0x0/0x50
    [schedule+432/896] schedule+0x1b0/0x380
    [default_wake_function+0/48] default_wake_function+0x0/0x30
    [update_wall_time+22/64] update_wall_time+0x16/0x40
    [do_timer+224/240] do_timer+0xe0/0xf0
    [vfs_write+255/304] vfs_write+0xff/0x130
    [sys_write+66/112] sys_write+0x42/0x70
    [sysenter_past_esp+82/113] sysenter_past_esp+0x52/0x71

    Trying to fix it up, but a reboot is needed

    As the machine was doing compilation, nothing extraneous was loaded (like X),
    but it could easily have been under stress at the time of oops. I guess I'm
    just making sure it's got nothing to do with your ext3 changes.

    Cheers,
    Alistair.
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