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    Date
    SubjectRe: 2.6.20-mm1
    From
    Andrew Morton napisał(a):
    > Temporarily at
    >
    > http://userweb.kernel.org/~akpm/2.6.20-mm1/
    >
    > Will appear later at
    >
    > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.20/2.6.20-mm1/
    >
    >

    BUG: sleeping function called from invalid context at /mnt/md0/devel/linux-mm/mm/slab.c:3043
    in_atomic():1, irqs_disabled():0
    1 lock held by artsd/3819:
    #0: (&new->lock){--..}, at: [<c01d5b7c>] ipc_lock+0x35/0x4f
    [<c0105312>] show_trace_log_lvl+0x1a/0x2f
    [<c0105a25>] show_trace+0x12/0x14
    [<c0105ae7>] dump_stack+0x16/0x18
    [<c011db4a>] __might_sleep+0xc9/0xcf
    [<c017c37a>] kmem_cache_zalloc+0x28/0xe5
    [<c01d8c7d>] do_shmat+0x111/0x372
    [<c0109151>] sys_ipc+0x148/0x1b5
    [<c010432c>] syscall_call+0x7/0xb
    =======================

    0xc01d5b7c is in ipc_lock (/mnt/md0/devel/linux-mm/ipc/util.c:684).
    679 spin_lock(&out->lock);
    680
    681 /* ipc_rmid() may have already freed the ID while ipc_lock
    682 * was spinning: here verify that the structure is still valid
    683 */
    684 if (out->deleted) {
    685 spin_unlock(&out->lock);
    686 rcu_read_unlock();
    687 return NULL;
    688 }


    http://www.stardust.webpages.pl/files/tbf/euridica/2.6.20-mm1/mm-dmesg
    http://www.stardust.webpages.pl/files/tbf/euridica/2.6.20-mm1/mm-config

    [michal@euridica linux-work3]$ quilt patches mm/slab.c
    patches/origin.patch
    patches/slab-reduce-size-of-alien-cache-to-cover-only-possible-nodes.patch
    patches/slab-use-cpu_lock_.patch
    patches/slab-shutdown-cache_reaper-when-cpu-goes-down.patch
    [michal@euridica linux-work3]$ quilt patches ipc/util.c
    patches/origin.patch

    Regards,
    Michal

    --
    Michal K. K. Piotrowski
    LTG - Linux Testers Group (PL)
    (http://www.stardust.webpages.pl/ltg/)
    LTG - Linux Testers Group (EN)
    (http://www.stardust.webpages.pl/linux_testers_group_en/)
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