On 07/06/11 04:22, Eric Dumazet wrote:
Could you please try latest linux-2.6 tree ?
We fixed many networking bugs that could explain your crash.
No good I'm afraid.
[ 543.040056]
=============================================================================
[ 543.040136] BUG ip_dst_cache: Padding overwritten.
0xffff8803e4217ffe-0xffff8803e4217fff
[ 543.040194]
-----------------------------------------------------------------------------
[ 543.040198]
[ 543.040298] INFO: Slab 0xffffea000d9e74d0 objects=25 used=25 fp=0x
(null) flags=0x8000000000004081
[ 543.040364] Pid: 4576, comm: kworker/1:2 Not tainted 3.0.0-rc2 #1
[ 543.040415] Call Trace:
[ 543.040472] [<ffffffff810b9c1d>] ? slab_err+0xad/0xd0
[ 543.040528] [<ffffffff8102e034>] ? check_preempt_wakeup+0xa4/0x160
[ 543.040595] [<ffffffff810ba206>] ? slab_pad_check+0x126/0x170
[ 543.040650] [<ffffffff8133045b>] ? dst_destroy+0x8b/0x110
[ 543.040701] [<ffffffff810ba29a>] ? check_slab+0x4a/0xc0
[ 543.040753] [<ffffffff810baf2d>] ? free_debug_processing+0x2d/0x250
[ 543.040808] [<ffffffff810bb27b>] ? __slab_free+0x12b/0x140
[ 543.040862] [<ffffffff810bbe99>] ? kmem_cache_free+0x99/0xa0
[ 543.040915] [<ffffffff8133045b>] ? dst_destroy+0x8b/0x110
[ 543.040967] [<ffffffff813307f6>] ? dst_gc_task+0x196/0x1f0
[ 543.041021] [<ffffffff8104e954>] ? queue_delayed_work_on+0x154/0x160
[ 543.041081] [<ffffffff813066fe>] ? do_dbs_timer+0x20e/0x3d0
[ 543.041133] [<ffffffff81330660>] ? dst_alloc+0x180/0x180
[ 543.041187] [<ffffffff8104f28b>] ? process_one_work+0xfb/0x3b0
[ 543.041242] [<ffffffff8104f964>] ? worker_thread+0x144/0x3d0
[ 543.041296] [<ffffffff8102cc10>] ? __wake_up_common+0x50/0x80
[ 543.041678] [<ffffffff8104f820>] ? rescuer_thread+0x2e0/0x2e0
[ 543.041729] [<ffffffff8104f820>] ? rescuer_thread+0x2e0/0x2e0
[ 543.041782] [<ffffffff81053436>] ? kthread+0x96/0xa0
[ 543.041835] [<ffffffff813e1d14>] ? kernel_thread_helper+0x4/0x10
[ 543.041890] [<ffffffff810533a0>] ? kthread_worker_fn+0x120/0x120
[ 543.041944] [<ffffffff813e1d10>] ? gs_change+0xb/0xb
[ 543.041993] Padding 0xffff8803e4217f40: 5a 5a 5a 5a 5a 5a 5a 5a 5a
5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
[ 543.042718] Padding 0xffff8803e4217f50: 5a 5a 5a 5a 5a 5a 5a 5a 5a
5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
[ 543.043433] Padding 0xffff8803e4217f60: 5a 5a 5a 5a 5a 5a 5a 5a 5a
5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
[ 543.044155] Padding 0xffff8803e4217f70: 5a 5a 5a 5a 5a 5a 5a 5a 5a
5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
[ 543.044866] Padding 0xffff8803e4217f80: 5a 5a 5a 5a 5a 5a 5a 5a 5a
5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
[ 543.045590] Padding 0xffff8803e4217f90: 5a 5a 5a 5a 5a 5a 5a 5a 5a
5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
[ 543.046311] Padding 0xffff8803e4217fa0: 5a 5a 5a 5a 5a 5a 5a 5a 5a
5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
[ 543.047034] Padding 0xffff8803e4217fb0: 5a 5a 5a 5a 5a 5a 5a 5a 5a
5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
[ 543.047755] Padding 0xffff8803e4217fc0: 5a 5a 5a 5a 5a 5a 5a 5a 5a
5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
[ 543.048474] Padding 0xffff8803e4217fd0: 5a 5a 5a 5a 5a 5a 5a 5a 5a
5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
[ 543.049203] Padding 0xffff8803e4217fe0: 5a 5a 5a 5a 5a 5a 5a 5a 5a
5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
[ 543.049909] Padding 0xffff8803e4217ff0: 5a 5a 5a 5a 5a 5a 5a 5a 5a
5a 5a 5a 5a 5a 00 00 ZZZZZZZZZZZZZZ..
[ 543.050021] FIX ip_dst_cache: Restoring
0xffff8803e4217f40-0xffff8803e4217fff=0x5a
[ 543.050021]
Dropped -mm, Hugh and Andrea from CC as this does not appear to be mm or
ksm related.
I'll pare down the firewall and see if I can make it break easier with a
smaller test set.
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