Messages in this thread | | | Date | Wed, 20 Feb 2008 23:04:40 +0300 | From | Oleg Nesterov <> | Subject | Re: [BUG] 2.6.25-rc2-mm1 - Kernel panic while bootup caused by signal_group_exit() |
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On 02/20, Rik van Riel wrote: > > On Sun, 17 Feb 2008 09:40:33 +0530 > Kamalesh Babulal <kamalesh@linux.vnet.ibm.com> wrote: > > > [ 25.512919] BUG: unable to handle kernel paging request at 9d74e37b > > [ 25.514926] IP: [<c04a8fac>] proc_flush_task+0x5b/0x223 > > I wonder if this one is related. Also with 2.6.25-rc2-mm1 on x86_64: > > BUG: unable to handle kernel paging request at 0000000000200200 > IP: [<ffffffff81043d3c>] free_pid+0x35/0x90 > ... > Call Trace: > [<ffffffff81035a6d>] ? release_task+0x1be/0x346 > [<ffffffff810362b7>] ? do_wait+0x6c2/0xa0e > [<ffffffff81051316>] ? trace_hardirqs_on_caller+0xf2/0x115 > [<ffffffff8102ac72>] ? default_wake_function+0x0/0xe > [<ffffffff81051316>] ? trace_hardirqs_on_caller+0xf2/0x115 > [<ffffffff8103668d>] ? sys_wait4+0x8a/0xa1 > [<ffffffff8100be3b>] ? system_call_after_swapgs+0x7b/0x80
Yes, please look at http://marc.info/?t=120309840500006
Btw. The bug in tty_io.c _can_ explain this trace, but it would be nice to ensure we don't have other problems. Could you try this
http://marc.info/?l=linux-kernel&m=120352655031911
patch?
(I can't understand why this happens at the boot time, and it is not reproducable on my side).
Oleg.
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