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Re: rawhide report: 20050913 changes



On Wed, Sep 14, 2005 at 12:00:34AM +0000, Willem Riede wrote:
 > On my Opteron the x86_64 kernel panics early in the boot process
 > [some event preceeded this but is scrolled off screen to fast to read]:
 > 
 > Code: 0f 0b 68 3b 96 37 80 c2 96 02 eb 20 48 8b 02 48 83 c2 18 48
 > RIP <ffffffff801688f1>{kmem_find_general_cachep+10} RSP <ffffffff80567ee8>
 >  <0>Kernel panic - not syncing: Attempted to kill the idle task!
 > 
 > Call Trace:<ffffffff80134c51>{panic+133} <ffffffff80354245>{spin_unlock_irq+9}
 > <ffffffff80353bd3>{__down_read+50} <ffffffff8010f2da>{show_stack+202}
 > <ffffffff803541e8>{_spin_lock_irqsave+9} <ffffffff80203011>{__up_read+19}
 > <ffffffff801376bf>{do_exit+149} <ffffffff80259662>{do_unblank_screen+45}
 > <ffffffff8010f7bc>{default_do_nmi+0} <ffffffff8010ff63>{do_invalid_op+163}
 > <ffffffff801688f1>{kmem_find_general_cachep+10}
 > <ffffffff8010e86d>{error_exit+0}
 > <ffffffff801688f1>{kmem_find_general_cachep+10}
 > <ffffffff80169775>{kmalloc_node+15}
 > <ffffffff8016bd16>{kmem_cache_create+2066}
 > <ffffffff8057db08>{kmem_cache_init+661}
 > <ffffffff80568753>{start_kernel+323} <ffffffff8056821d>{_sinittext+541}

I've been chasing the same bug all day. I've narrowed it down to
a specific changeset that occured a few days ago, but I'm puzzled
as to the real cause for now.

		Dave


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