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From: Parag Warudkar <parag.lkml@gmail.com>
To: Borislav Petkov <bp@alien8.de>,
	Parag Warudkar <parag.lkml@gmail.com>,
	"Rafael J. Wysocki" <rjw@sisk.pl>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Kernel Testers List <kernel-testers@vger.kernel.org>,
	Maciej Rutecki <maciej.rutecki@gmail.com>
Subject: Re: [Bug #16054] UML broken for CONFIG_SLAB
Date: Tue, 15 Jun 2010 23:42:57 -0400	[thread overview]
Message-ID: <AANLkTiltJI8I5zMdzBF1fRIRkgq6K71aaRfrdNHGDrD6@mail.gmail.com> (raw)
In-Reply-To: <20100613160757.GB5623@liondog.tnic>

On Sun, Jun 13, 2010 at 12:07 PM, Borislav Petkov <bp@alien8.de> wrote:
> From: Parag Warudkar <parag.lkml@gmail.com>
> Date: Sun, Jun 13, 2010 at 11:35:34AM -0400
>
>> On Sun, Jun 13, 2010 at 10:49 AM, Rafael J. Wysocki <rjw@sisk.pl> wrote:
>> >
>> >
>> > Bug-Entry       : http://bugzilla.kernel.org/show_bug.cgi?id=16054
>> > Subject         : UML broken for CONFIG_SLAB
>> > Submitter       : Parag Warudkar <parag.lkml@gmail.com>
>> > Date            : 2010-05-23 21:40 (22 days old)
>> > Message-ID      : <alpine.DEB.2.00.1005231149100.605@parag-laptop>
>> > References      : http://marc.info/?l=linux-kernel&m=127465083806617&w=2
>>
>> Borislav,
>>
>> I believe both of the issues I encountered that are part of this bug
>> entry (missing/superfluous slab inclusion issues and cfq related boot
>> crash due to popcnt/hweight stuff) have a known fix [1] but I am not
>> sure if any of it actually landed in -git. Quick search through
>> git.kernel.org log doesn't show anything relevant.
>
> I don't know whether the SLAB issue is related but
> the hweight fix is in -tip and hasn't gone mainline yet:
> http://git.kernel.org/tip/055c47272b8f5679d08ccc57efea3cb4aaeb5fc6
>

I applied the fix by hand and still no dice. So although
cfq_close_cooperator still shows up in the oops - this seems to be
unrelated to the hweight fix?

I should update the bug report - SLAB is separate issue, cfq one is
another and happens with SLUB.

Thanks

Parag


Modules linked in:
Pid: 30, comm: kblockd/0 Not tainted 2.6.35-rc3
RIP: 0033:[<00000000600ea2e0>]
RSP: 00000000601ff680  EFLAGS: 00010202
RAX: 0000000000000000 RBX: 0000000080481800 RCX: 0000000000050000
RDX: 0000000000000000 RSI: 0000000000001c10 RDI: 0000000000000000
RBP: 00000000601ff690 R08: 0000000000001c10 R09: 000000000000001e
R10: 0000000000000001 R11: 0000000060278b28 R12: 00000000805af3c0
R13: 00000000805af3c0 R14: 00000000805ae7b0 R15: 0000000000000001
Call Trace:
601ff178:  [<60014a79>] segv+0x70/0x212
601ff188:  [<600ea2e0>] cfq_close_cooperator+0x147/0x160
601ff258:  [<60014c7a>] segv_handler+0x5f/0x65
601ff288:  [<60021680>] sig_handler_common+0x84/0x98
601ff310:  [<600ea2e0>] cfq_close_cooperator+0x147/0x160
601ff3b8:  [<600217c6>] sig_handler+0x30/0x3b
601ff3d8:  [<600219f8>] handle_signal+0x6d/0xa3
601ff428:  [<600233b0>] hard_handler+0x10/0x14
601ff4e8:  [<600ea2e0>] cfq_close_cooperator+0x147/0x160
601ff538:  [<60029a35>] try_to_wake_up+0x82/0x94
601ff588:  [<60029a54>] default_wake_function+0xd/0xf
601ff598:  [<60040bbb>] autoremove_wake_function+0x11/0x34
601ff5b8:  [<60040c06>] wake_bit_function+0x28/0x2e
601ff5d8:  [<6007920b>] kmem_cache_free+0x85/0x92
601ff618:  [<60057406>] mempool_free_slab+0x12/0x14
601ff628:  [<600574d4>] mempool_free+0x6f/0x76
601ff658:  [<6009e47e>] bio_free+0x4d/0x52
601ff678:  [<600ea2ce>] cfq_close_cooperator+0x135/0x160
601ff698:  [<600ea70b>] cfq_completed_request+0x375/0x4db
601ff6f8:  [<600dee9a>] elv_completed_request+0x4e/0xaf
601ff718:  [<600e036a>] __blk_put_request+0x37/0xbd
601ff748:  [<600e057b>] blk_finish_request+0x18b/0x198
601ff788:  [<600e0831>] blk_end_bidi_request+0x38/0x4b
601ff7b8:  [<600e0876>] blk_end_request+0xb/0xd
601ff7c8:  [<6001cf70>] ubd_intr+0x55/0xd7
601ff808:  [<600527d2>] handle_IRQ_event+0x20/0x9a
601ff838:  [<600528b9>] __do_IRQ+0x6d/0xb0
601ff868:  [<6001217d>] do_IRQ+0x27/0x3f
601ff898:  [<6001234d>] sigio_handler+0x4b/0x5f
601ff8b8:  [<60021680>] sig_handler_common+0x84/0x98
601ff8d8:  [<600122f9>] reactivate_fd+0x54/0x5d
601ff918:  [<6001cf8b>] ubd_intr+0x70/0xd7
601ff938:  [<60054856>] rcu_qsctr_help+0x41/0x4a
601ff968:  [<600549f6>] rcu_sched_qs+0x1f/0x34
601ff988:  [<60054a98>] rcu_enter_nohz+0x21/0x25
601ff9a8:  [<600163d2>] free_irqs+0x72/0xd4
601ff9e8:  [<600216df>] unblock_signals+0x4b/0x5d
601ffa08:  [<6002166d>] sig_handler_common+0x71/0x98
601ffa90:  [<600ea2e0>] cfq_close_cooperator+0x147/0x160
601ffab0:  [<6002480a>] __delay+0xa/0x14
601ffb38:  [<600217c6>] sig_handler+0x30/0x3b
601ffb58:  [<600219f8>] handle_signal+0x6d/0xa3
601ffba8:  [<600233b0>] hard_handler+0x10/0x14
601ffc68:  [<600ea2e0>] cfq_close_cooperator+0x147/0x160

Kernel panic - not syncing: Segfault with no mm
Call Trace:
601ff088:  [<6016916f>] panic+0xe4/0x14f
601ff0e8:  [<6004db5b>] is_module_text_address+0x9/0x11
601ff0f8:  [<6003ece4>] __kernel_text_address+0x65/0x6b
601ff100:  [<600ea2e0>] cfq_close_cooperator+0x147/0x160
601ff118:  [<60013a12>] show_trace+0x8e/0x95
601ff148:  [<60026e14>] show_regs+0x2b/0x2f
601ff178:  [<60014b03>] segv+0xfa/0x212
601ff188:  [<600ea2e0>] cfq_close_cooperator+0x147/0x160
601ff258:  [<60014c7a>] segv_handler+0x5f/0x65
601ff288:  [<60021680>] sig_handler_common+0x84/0x98
601ff310:  [<600ea2e0>] cfq_close_cooperator+0x147/0x160
601ff3b8:  [<600217c6>] sig_handler+0x30/0x3b
601ff3d8:  [<600219f8>] handle_signal+0x6d/0xa3
601ff428:  [<600233b0>] hard_handler+0x10/0x14
601ff4e8:  [<600ea2e0>] cfq_close_cooperator+0x147/0x160
601ff538:  [<60029a35>] try_to_wake_up+0x82/0x94
601ff588:  [<60029a54>] default_wake_function+0xd/0xf
601ff598:  [<60040bbb>] autoremove_wake_function+0x11/0x34
601ff5b8:  [<60040c06>] wake_bit_function+0x28/0x2e
601ff5d8:  [<6007920b>] kmem_cache_free+0x85/0x92
601ff618:  [<60057406>] mempool_free_slab+0x12/0x14
601ff628:  [<600574d4>] mempool_free+0x6f/0x76
601ff658:  [<6009e47e>] bio_free+0x4d/0x52
601ff678:  [<600ea2ce>] cfq_close_cooperator+0x135/0x160
601ff698:  [<600ea70b>] cfq_completed_request+0x375/0x4db
601ff6f8:  [<600dee9a>] elv_completed_request+0x4e/0xaf
601ff718:  [<600e036a>] __blk_put_request+0x37/0xbd
601ff748:  [<600e057b>] blk_finish_request+0x18b/0x198
601ff788:  [<600e0831>] blk_end_bidi_request+0x38/0x4b
601ff7b8:  [<600e0876>] blk_end_request+0xb/0xd
601ff7c8:  [<6001cf70>] ubd_intr+0x55/0xd7
601ff808:  [<600527d2>] handle_IRQ_event+0x20/0x9a
601ff838:  [<600528b9>] __do_IRQ+0x6d/0xb0
601ff868:  [<6001217d>] do_IRQ+0x27/0x3f
601ff898:  [<6001234d>] sigio_handler+0x4b/0x5f
601ff8b8:  [<60021680>] sig_handler_common+0x84/0x98
601ff8d8:  [<600122f9>] reactivate_fd+0x54/0x5d
601ff918:  [<6001cf8b>] ubd_intr+0x70/0xd7
601ff938:  [<60054856>] rcu_qsctr_help+0x41/0x4a
601ff968:  [<600549f6>] rcu_sched_qs+0x1f/0x34
601ff988:  [<60054a98>] rcu_enter_nohz+0x21/0x25
601ff9a8:  [<600163d2>] free_irqs+0x72/0xd4
601ff9e8:  [<600216df>] unblock_signals+0x4b/0x5d
601ffa08:  [<6002166d>] sig_handler_common+0x71/0x98
601ffa90:  [<600ea2e0>] cfq_close_cooperator+0x147/0x160
601ffab0:  [<6002480a>] __delay+0xa/0x14
601ffb38:  [<600217c6>] sig_handler+0x30/0x3b
601ffb58:  [<600219f8>] handle_signal+0x6d/0xa3
601ffba8:  [<600233b0>] hard_handler+0x10/0x14
601ffc68:  [<600ea2e0>] cfq_close_cooperator+0x147/0x160


Modules linked in:
Pid: 30, comm: kblockd/0 Not tainted 2.6.35-rc3
RIP: 0033:[<00007f7624535d57>]
RSP: 00007fff27cfa1c8  EFLAGS: 00000202
RAX: 0000000000000000 RBX: 0000000000001482 RCX: ffffffffffffffff
RDX: 0000000000000000 RSI: 0000000000000013 RDI: 0000000000001482
RBP: 00007fff27cfa200 R08: 0000000000000000 R09: 00007fff27cfa200
R10: 00007fff27cf9f70 R11: 0000000000000202 R12: 000000000000147e
R13: 00007f7624ca36a8 R14: 00007fff27cfa410 R15: 00007fff27cfc66e
Call Trace:
601ff018:  [<60014de7>] panic_exit+0x2f/0x45
601ff020:  [<600ea2e0>] cfq_close_cooperator+0x147/0x160
601ff038:  [<600441f2>] notifier_call_chain+0x32/0x5e
601ff078:  [<60044238>] atomic_notifier_call_chain+0xf/0x11
601ff088:  [<6016918a>] panic+0xff/0x14f
601ff0e8:  [<6004db5b>] is_module_text_address+0x9/0x11
601ff0f8:  [<6003ece4>] __kernel_text_address+0x65/0x6b
601ff100:  [<600ea2e0>] cfq_close_cooperator+0x147/0x160
601ff118:  [<60013a12>] show_trace+0x8e/0x95
601ff148:  [<60026e14>] show_regs+0x2b/0x2f
601ff178:  [<60014b03>] segv+0xfa/0x212
601ff188:  [<600ea2e0>] cfq_close_cooperator+0x147/0x160
601ff258:  [<60014c7a>] segv_handler+0x5f/0x65
601ff288:  [<60021680>] sig_handler_common+0x84/0x98
601ff310:  [<600ea2e0>] cfq_close_cooperator+0x147/0x160
601ff3b8:  [<600217c6>] sig_handler+0x30/0x3b
601ff3d8:  [<600219f8>] handle_signal+0x6d/0xa3
601ff428:  [<600233b0>] hard_handler+0x10/0x14
601ff4e8:  [<600ea2e0>] cfq_close_cooperator+0x147/0x160
601ff538:  [<60029a35>] try_to_wake_up+0x82/0x94
601ff588:  [<60029a54>] default_wake_function+0xd/0xf
601ff598:  [<60040bbb>] autoremove_wake_function+0x11/0x34
601ff5b8:  [<60040c06>] wake_bit_function+0x28/0x2e
601ff5d8:  [<6007920b>] kmem_cache_free+0x85/0x92
601ff618:  [<60057406>] mempool_free_slab+0x12/0x14
601ff628:  [<600574d4>] mempool_free+0x6f/0x76
601ff658:  [<6009e47e>] bio_free+0x4d/0x52
601ff678:  [<600ea2ce>] cfq_close_cooperator+0x135/0x160
601ff698:  [<600ea70b>] cfq_completed_request+0x375/0x4dbSegmentation fault

WARNING: multiple messages have this Message-ID (diff)
From: Parag Warudkar <parag.lkml-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Borislav Petkov <bp-Gina5bIWoIWzQB+pC5nmwQ@public.gmane.org>,
	Parag Warudkar
	<parag.lkml-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	"Rafael J. Wysocki" <rjw-KKrjLPT3xs0@public.gmane.org>,
	Linux Kernel Mailing List
	<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	Kernel
Subject: Re: [Bug #16054] UML broken for CONFIG_SLAB
Date: Tue, 15 Jun 2010 23:42:57 -0400	[thread overview]
Message-ID: <AANLkTiltJI8I5zMdzBF1fRIRkgq6K71aaRfrdNHGDrD6@mail.gmail.com> (raw)
In-Reply-To: <20100613160757.GB5623-f9CnO7I+Q6zU6FkGJEIX5A@public.gmane.org>

On Sun, Jun 13, 2010 at 12:07 PM, Borislav Petkov <bp-Gina5bIWoIWzQB+pC5nmwQ@public.gmane.org> wrote:
> From: Parag Warudkar <parag.lkml-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
> Date: Sun, Jun 13, 2010 at 11:35:34AM -0400
>
>> On Sun, Jun 13, 2010 at 10:49 AM, Rafael J. Wysocki <rjw-KKrjLPT3xs0@public.gmane.org> wrote:
>> >
>> >
>> > Bug-Entry       : http://bugzilla.kernel.org/show_bug.cgi?id=16054
>> > Subject         : UML broken for CONFIG_SLAB
>> > Submitter       : Parag Warudkar <parag.lkml-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
>> > Date            : 2010-05-23 21:40 (22 days old)
>> > Message-ID      : <alpine.DEB.2.00.1005231149100.605@parag-laptop>
>> > References      : http://marc.info/?l=linux-kernel&m=127465083806617&w=2
>>
>> Borislav,
>>
>> I believe both of the issues I encountered that are part of this bug
>> entry (missing/superfluous slab inclusion issues and cfq related boot
>> crash due to popcnt/hweight stuff) have a known fix [1] but I am not
>> sure if any of it actually landed in -git. Quick search through
>> git.kernel.org log doesn't show anything relevant.
>
> I don't know whether the SLAB issue is related but
> the hweight fix is in -tip and hasn't gone mainline yet:
> http://git.kernel.org/tip/055c47272b8f5679d08ccc57efea3cb4aaeb5fc6
>

I applied the fix by hand and still no dice. So although
cfq_close_cooperator still shows up in the oops - this seems to be
unrelated to the hweight fix?

I should update the bug report - SLAB is separate issue, cfq one is
another and happens with SLUB.

Thanks

Parag


Modules linked in:
Pid: 30, comm: kblockd/0 Not tainted 2.6.35-rc3
RIP: 0033:[<00000000600ea2e0>]
RSP: 00000000601ff680  EFLAGS: 00010202
RAX: 0000000000000000 RBX: 0000000080481800 RCX: 0000000000050000
RDX: 0000000000000000 RSI: 0000000000001c10 RDI: 0000000000000000
RBP: 00000000601ff690 R08: 0000000000001c10 R09: 000000000000001e
R10: 0000000000000001 R11: 0000000060278b28 R12: 00000000805af3c0
R13: 00000000805af3c0 R14: 00000000805ae7b0 R15: 0000000000000001
Call Trace:
601ff178:  [<60014a79>] segv+0x70/0x212
601ff188:  [<600ea2e0>] cfq_close_cooperator+0x147/0x160
601ff258:  [<60014c7a>] segv_handler+0x5f/0x65
601ff288:  [<60021680>] sig_handler_common+0x84/0x98
601ff310:  [<600ea2e0>] cfq_close_cooperator+0x147/0x160
601ff3b8:  [<600217c6>] sig_handler+0x30/0x3b
601ff3d8:  [<600219f8>] handle_signal+0x6d/0xa3
601ff428:  [<600233b0>] hard_handler+0x10/0x14
601ff4e8:  [<600ea2e0>] cfq_close_cooperator+0x147/0x160
601ff538:  [<60029a35>] try_to_wake_up+0x82/0x94
601ff588:  [<60029a54>] default_wake_function+0xd/0xf
601ff598:  [<60040bbb>] autoremove_wake_function+0x11/0x34
601ff5b8:  [<60040c06>] wake_bit_function+0x28/0x2e
601ff5d8:  [<6007920b>] kmem_cache_free+0x85/0x92
601ff618:  [<60057406>] mempool_free_slab+0x12/0x14
601ff628:  [<600574d4>] mempool_free+0x6f/0x76
601ff658:  [<6009e47e>] bio_free+0x4d/0x52
601ff678:  [<600ea2ce>] cfq_close_cooperator+0x135/0x160
601ff698:  [<600ea70b>] cfq_completed_request+0x375/0x4db
601ff6f8:  [<600dee9a>] elv_completed_request+0x4e/0xaf
601ff718:  [<600e036a>] __blk_put_request+0x37/0xbd
601ff748:  [<600e057b>] blk_finish_request+0x18b/0x198
601ff788:  [<600e0831>] blk_end_bidi_request+0x38/0x4b
601ff7b8:  [<600e0876>] blk_end_request+0xb/0xd
601ff7c8:  [<6001cf70>] ubd_intr+0x55/0xd7
601ff808:  [<600527d2>] handle_IRQ_event+0x20/0x9a
601ff838:  [<600528b9>] __do_IRQ+0x6d/0xb0
601ff868:  [<6001217d>] do_IRQ+0x27/0x3f
601ff898:  [<6001234d>] sigio_handler+0x4b/0x5f
601ff8b8:  [<60021680>] sig_handler_common+0x84/0x98
601ff8d8:  [<600122f9>] reactivate_fd+0x54/0x5d
601ff918:  [<6001cf8b>] ubd_intr+0x70/0xd7
601ff938:  [<60054856>] rcu_qsctr_help+0x41/0x4a
601ff968:  [<600549f6>] rcu_sched_qs+0x1f/0x34
601ff988:  [<60054a98>] rcu_enter_nohz+0x21/0x25
601ff9a8:  [<600163d2>] free_irqs+0x72/0xd4
601ff9e8:  [<600216df>] unblock_signals+0x4b/0x5d
601ffa08:  [<6002166d>] sig_handler_common+0x71/0x98
601ffa90:  [<600ea2e0>] cfq_close_cooperator+0x147/0x160
601ffab0:  [<6002480a>] __delay+0xa/0x14
601ffb38:  [<600217c6>] sig_handler+0x30/0x3b
601ffb58:  [<600219f8>] handle_signal+0x6d/0xa3
601ffba8:  [<600233b0>] hard_handler+0x10/0x14
601ffc68:  [<600ea2e0>] cfq_close_cooperator+0x147/0x160

Kernel panic - not syncing: Segfault with no mm
Call Trace:
601ff088:  [<6016916f>] panic+0xe4/0x14f
601ff0e8:  [<6004db5b>] is_module_text_address+0x9/0x11
601ff0f8:  [<6003ece4>] __kernel_text_address+0x65/0x6b
601ff100:  [<600ea2e0>] cfq_close_cooperator+0x147/0x160
601ff118:  [<60013a12>] show_trace+0x8e/0x95
601ff148:  [<60026e14>] show_regs+0x2b/0x2f
601ff178:  [<60014b03>] segv+0xfa/0x212
601ff188:  [<600ea2e0>] cfq_close_cooperator+0x147/0x160
601ff258:  [<60014c7a>] segv_handler+0x5f/0x65
601ff288:  [<60021680>] sig_handler_common+0x84/0x98
601ff310:  [<600ea2e0>] cfq_close_cooperator+0x147/0x160
601ff3b8:  [<600217c6>] sig_handler+0x30/0x3b
601ff3d8:  [<600219f8>] handle_signal+0x6d/0xa3
601ff428:  [<600233b0>] hard_handler+0x10/0x14
601ff4e8:  [<600ea2e0>] cfq_close_cooperator+0x147/0x160
601ff538:  [<60029a35>] try_to_wake_up+0x82/0x94
601ff588:  [<60029a54>] default_wake_function+0xd/0xf
601ff598:  [<60040bbb>] autoremove_wake_function+0x11/0x34
601ff5b8:  [<60040c06>] wake_bit_function+0x28/0x2e
601ff5d8:  [<6007920b>] kmem_cache_free+0x85/0x92
601ff618:  [<60057406>] mempool_free_slab+0x12/0x14
601ff628:  [<600574d4>] mempool_free+0x6f/0x76
601ff658:  [<6009e47e>] bio_free+0x4d/0x52
601ff678:  [<600ea2ce>] cfq_close_cooperator+0x135/0x160
601ff698:  [<600ea70b>] cfq_completed_request+0x375/0x4db
601ff6f8:  [<600dee9a>] elv_completed_request+0x4e/0xaf
601ff718:  [<600e036a>] __blk_put_request+0x37/0xbd
601ff748:  [<600e057b>] blk_finish_request+0x18b/0x198
601ff788:  [<600e0831>] blk_end_bidi_request+0x38/0x4b
601ff7b8:  [<600e0876>] blk_end_request+0xb/0xd
601ff7c8:  [<6001cf70>] ubd_intr+0x55/0xd7
601ff808:  [<600527d2>] handle_IRQ_event+0x20/0x9a
601ff838:  [<600528b9>] __do_IRQ+0x6d/0xb0
601ff868:  [<6001217d>] do_IRQ+0x27/0x3f
601ff898:  [<6001234d>] sigio_handler+0x4b/0x5f
601ff8b8:  [<60021680>] sig_handler_common+0x84/0x98
601ff8d8:  [<600122f9>] reactivate_fd+0x54/0x5d
601ff918:  [<6001cf8b>] ubd_intr+0x70/0xd7
601ff938:  [<60054856>] rcu_qsctr_help+0x41/0x4a
601ff968:  [<600549f6>] rcu_sched_qs+0x1f/0x34
601ff988:  [<60054a98>] rcu_enter_nohz+0x21/0x25
601ff9a8:  [<600163d2>] free_irqs+0x72/0xd4
601ff9e8:  [<600216df>] unblock_signals+0x4b/0x5d
601ffa08:  [<6002166d>] sig_handler_common+0x71/0x98
601ffa90:  [<600ea2e0>] cfq_close_cooperator+0x147/0x160
601ffab0:  [<6002480a>] __delay+0xa/0x14
601ffb38:  [<600217c6>] sig_handler+0x30/0x3b
601ffb58:  [<600219f8>] handle_signal+0x6d/0xa3
601ffba8:  [<600233b0>] hard_handler+0x10/0x14
601ffc68:  [<600ea2e0>] cfq_close_cooperator+0x147/0x160


Modules linked in:
Pid: 30, comm: kblockd/0 Not tainted 2.6.35-rc3
RIP: 0033:[<00007f7624535d57>]
RSP: 00007fff27cfa1c8  EFLAGS: 00000202
RAX: 0000000000000000 RBX: 0000000000001482 RCX: ffffffffffffffff
RDX: 0000000000000000 RSI: 0000000000000013 RDI: 0000000000001482
RBP: 00007fff27cfa200 R08: 0000000000000000 R09: 00007fff27cfa200
R10: 00007fff27cf9f70 R11: 0000000000000202 R12: 000000000000147e
R13: 00007f7624ca36a8 R14: 00007fff27cfa410 R15: 00007fff27cfc66e
Call Trace:
601ff018:  [<60014de7>] panic_exit+0x2f/0x45
601ff020:  [<600ea2e0>] cfq_close_cooperator+0x147/0x160
601ff038:  [<600441f2>] notifier_call_chain+0x32/0x5e
601ff078:  [<60044238>] atomic_notifier_call_chain+0xf/0x11
601ff088:  [<6016918a>] panic+0xff/0x14f
601ff0e8:  [<6004db5b>] is_module_text_address+0x9/0x11
601ff0f8:  [<6003ece4>] __kernel_text_address+0x65/0x6b
601ff100:  [<600ea2e0>] cfq_close_cooperator+0x147/0x160
601ff118:  [<60013a12>] show_trace+0x8e/0x95
601ff148:  [<60026e14>] show_regs+0x2b/0x2f
601ff178:  [<60014b03>] segv+0xfa/0x212
601ff188:  [<600ea2e0>] cfq_close_cooperator+0x147/0x160
601ff258:  [<60014c7a>] segv_handler+0x5f/0x65
601ff288:  [<60021680>] sig_handler_common+0x84/0x98
601ff310:  [<600ea2e0>] cfq_close_cooperator+0x147/0x160
601ff3b8:  [<600217c6>] sig_handler+0x30/0x3b
601ff3d8:  [<600219f8>] handle_signal+0x6d/0xa3
601ff428:  [<600233b0>] hard_handler+0x10/0x14
601ff4e8:  [<600ea2e0>] cfq_close_cooperator+0x147/0x160
601ff538:  [<60029a35>] try_to_wake_up+0x82/0x94
601ff588:  [<60029a54>] default_wake_function+0xd/0xf
601ff598:  [<60040bbb>] autoremove_wake_function+0x11/0x34
601ff5b8:  [<60040c06>] wake_bit_function+0x28/0x2e
601ff5d8:  [<6007920b>] kmem_cache_free+0x85/0x92
601ff618:  [<60057406>] mempool_free_slab+0x12/0x14
601ff628:  [<600574d4>] mempool_free+0x6f/0x76
601ff658:  [<6009e47e>] bio_free+0x4d/0x52
601ff678:  [<600ea2ce>] cfq_close_cooperator+0x135/0x160
601ff698:  [<600ea70b>] cfq_completed_request+0x375/0x4dbSegmentation fault

  reply	other threads:[~2010-06-16  3:43 UTC|newest]

Thread overview: 109+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-06-13 14:45 2.6.35-rc3: Reported regressions 2.6.33 -> 2.6.34 Rafael J. Wysocki
2010-06-13 14:45 ` Rafael J. Wysocki
2010-06-13 14:45 ` Rafael J. Wysocki
2010-06-13 14:45 ` [Bug #15589] 2.6.34-rc1: Badness at fs/proc/generic.c:316 Rafael J. Wysocki
2010-06-13 14:45   ` Rafael J. Wysocki
2010-06-13 15:22   ` Stefan Lippers-Hollmann
2010-06-13 15:22     ` Stefan Lippers-Hollmann
2010-06-13 18:10     ` Christian Kujau
2010-06-13 18:10       ` Christian Kujau
2010-06-13 19:57       ` Grant Likely
2010-06-13 19:57         ` Grant Likely
2010-06-14  6:39         ` Alexey Dobriyan
2010-06-14  6:39           ` Alexey Dobriyan
2010-06-14 12:27           ` Jindrich Makovicka
2010-06-14 12:27             ` Jindrich Makovicka
2010-06-14 15:42           ` Grant Likely
2010-06-14 15:42             ` Grant Likely
2010-06-13 14:48 ` [Bug #15704] [r8169] WARNING: at net/sched/sch_generic.c Rafael J. Wysocki
2010-06-13 14:48   ` Rafael J. Wysocki
2010-06-14  7:41   ` Sergey Senozhatsky
2010-06-14 14:07     ` Rafael J. Wysocki
2010-06-14 14:07       ` Rafael J. Wysocki
2010-06-13 14:48 ` [Bug #15712] [regression] 2.6.34-rc1 to -rc3 on zaurus: no longer boots Rafael J. Wysocki
2010-06-14  4:20   ` Eric Miao
2010-06-14  4:20     ` Eric Miao
2010-06-14  6:10     ` Pavel Machek
2010-06-14 14:09       ` Rafael J. Wysocki
2010-06-14 14:09         ` Rafael J. Wysocki
2010-06-13 14:48 ` [Bug #15659] [Regresion] [2.6.34-rc1] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU hung Rafael J. Wysocki
2010-06-13 14:48   ` Rafael J. Wysocki
2010-06-13 14:48 ` [Bug #15673] 2.6.34-rc2: "ima_dec_counts: open/free imbalance"? Rafael J. Wysocki
2010-06-13 14:48   ` Rafael J. Wysocki
2010-06-13 14:48 ` [Bug #15664] Graphics hang and kernel backtrace when starting Azureus with Compiz enabled Rafael J. Wysocki
2010-06-13 14:48   ` Rafael J. Wysocki
2010-06-13 14:48 ` [Bug #15669] INFO: suspicious rcu_dereference_check() Rafael J. Wysocki
2010-06-13 14:48 ` [Bug #15671] intel graphic card hanging (Hangcheck timer elapsed... GPU hung) Rafael J. Wysocki
2010-06-13 14:48 ` [Bug #15713] hackbench regression due to commit 9dfc6e68bfe6e Rafael J. Wysocki
2010-06-13 14:48   ` Rafael J. Wysocki
2010-06-13 17:08   ` Pekka Enberg
2010-06-13 17:08     ` Pekka Enberg
2010-06-15 14:49   ` Christoph Lameter
2010-06-15 14:49     ` Christoph Lameter
2010-06-13 14:48 ` [Bug #15717] bluetooth oops Rafael J. Wysocki
2010-06-13 14:48 ` [Bug #15805] reiserfs locking Rafael J. Wysocki
2010-06-13 14:48 ` [Bug #15858] [2.6.34-rc5] bad page state copying to/from HFS+ filesystem Rafael J. Wysocki
2010-06-13 14:48 ` [Bug #15862] 2.6.34-rc4/5: iwlagn unusable until reload Rafael J. Wysocki
2010-06-13 14:48   ` Rafael J. Wysocki
2010-06-13 14:48 ` [Bug #15863] 2.6.34-rc5-git7 (plus all patches) -- another suspicious rcu_dereference_check() usage Rafael J. Wysocki
2010-06-13 14:48 ` [Bug #15924] kacpid consumes ~100% CPU, system freezes randomly Rafael J. Wysocki
2010-06-13 14:48   ` Rafael J. Wysocki
2010-06-13 14:48 ` [Bug #15909] open("a/",O_NOFOLLOW) fails with ELOOP if "a" is a symbolic link to a directory Rafael J. Wysocki
2010-06-14  8:43   ` Jan Kara
2010-06-14  8:43     ` Jan Kara
2010-06-14 14:10     ` Rafael J. Wysocki
2010-06-14 14:10       ` Rafael J. Wysocki
2010-06-13 14:48 ` [Bug #15951] commit 9630bdd9 changes behavior of the poweroff Rafael J. Wysocki
2010-06-13 14:48 ` [Bug #15970] BUG: amd64-agp (2.6.34-rc7) Rafael J. Wysocki
2010-06-13 14:48   ` Rafael J. Wysocki
2010-06-14 21:52   ` Randy Dunlap
2010-06-14 21:52     ` Randy Dunlap
2010-06-15  0:13     ` Rafael J. Wysocki
2010-06-15  0:13       ` Rafael J. Wysocki
2010-06-13 14:48 ` [Bug #15936] Suspicious rcu_dereference_check() usage detected during 2.6.34-rc6 boot on PPC64/p5 processor Rafael J. Wysocki
2010-06-13 14:49 ` [Bug #16034] 2.6.34: dlm: possible circular locking dependency detected Rafael J. Wysocki
2010-06-13 14:49 ` [Bug #15977] WARNING: at lib/dma-debug.c:866 check_for_stack Rafael J. Wysocki
2010-06-13 14:49 ` [Bug #16007] x86/pci Oops with CONFIG_SND_HDA_INTEL Rafael J. Wysocki
2010-06-13 14:49   ` Rafael J. Wysocki
2010-06-13 14:49 ` [Bug #16035] Incorrect initial resolution of (external) vga monitor with KMS Rafael J. Wysocki
2010-06-13 14:49   ` Rafael J. Wysocki
2010-06-13 14:49 ` [Bug #16050] The ibmcam driver is not working Rafael J. Wysocki
2010-06-13 14:49 ` [Bug #16054] UML broken for CONFIG_SLAB Rafael J. Wysocki
2010-06-13 14:49   ` Rafael J. Wysocki
2010-06-13 15:35   ` Parag Warudkar
2010-06-13 15:35     ` Parag Warudkar
2010-06-13 16:07     ` Borislav Petkov
2010-06-16  3:42       ` Parag Warudkar [this message]
2010-06-16  3:42         ` Parag Warudkar
2010-06-13 14:49 ` [Bug #16040] kacpid consumes ~40% of cpu all the time beginning with 2.6.34 Rafael J. Wysocki
2010-06-13 14:49 ` [Bug #16082] host panic on kernel 2.6.34 Rafael J. Wysocki
2010-06-13 14:49 ` [Bug #16084] iwl3945 bug in 2.6.34 Rafael J. Wysocki
2010-06-13 14:49   ` Rafael J. Wysocki
2010-06-13 14:49 ` [Bug #16097] 2.6.34 on Samsung P460: reset after "Waiting for /dev to be fully populated" Rafael J. Wysocki
2010-06-13 14:49   ` Rafael J. Wysocki
2010-06-13 14:49 ` [Bug #16134] 2.6.34 hard lock ppp/do_tty_hangup, regression Rafael J. Wysocki
2010-06-13 14:49 ` [Bug #16135] [BUG] kacpi_notify goes into an infinite loop (luckly it calls cond_resched) Rafael J. Wysocki
2010-06-13 14:49 ` [Bug #16111] hostap_pci: infinite registered netdevice wifi0 Rafael J. Wysocki
2010-06-13 14:49 ` [Bug #16138] PCMCIA regression Rafael J. Wysocki
2010-06-13 14:49   ` Rafael J. Wysocki
2010-06-13 14:49 ` [Bug #16137] Ooops in BTRFS in 2.6.34 / x86_64 when mounting subvolume by name Rafael J. Wysocki
2010-06-13 14:49   ` Rafael J. Wysocki
2010-06-13 14:49 ` [Bug #16147] ksoftirq hogs the CPU Rafael J. Wysocki
2010-06-13 14:49   ` Rafael J. Wysocki
2010-06-13 14:49 ` [Bug #16139] wait_even_interruptible_timeout(), signal, spin_lock() = system hang Rafael J. Wysocki
2010-06-13 14:49 ` [Bug #16136] Linux 2.6.34 causes system lockup on Compaq Presario 2200 Laptop Rafael J. Wysocki
2010-06-13 14:49   ` Rafael J. Wysocki
2010-06-13 14:49 ` [Bug #16162] SSD + sata_nv + btrfs oops Rafael J. Wysocki
2010-06-13 14:49 ` [Bug #16158] winxp guest hangs after idle for ~30 minutes Rafael J. Wysocki
2010-06-13 14:49   ` Rafael J. Wysocki
2010-06-13 14:49 ` [Bug #16170] Leadtek Winfast DTV Dongle (STK7700P based) is not working in 2.6.34 Rafael J. Wysocki
2010-06-13 14:49   ` Rafael J. Wysocki
2010-06-13 21:02 ` 2.6.35-rc3: Reported regressions 2.6.33 -> 2.6.34 Luis R. Rodriguez
2010-06-16 18:30 ` Nick Bowler
2010-06-16 18:30 ` Nick Bowler
2010-06-16 18:30 ` Nick Bowler
2010-06-20 22:32 Rafael J. Wysocki
2010-06-20 22:34 ` [Bug #16054] UML broken for CONFIG_SLAB Rafael J. Wysocki
2010-06-20 22:34   ` Rafael J. Wysocki
     [not found]   ` <AANLkTiks4DUvSLQLHb1Tr6cO_Mma-9UcDRqJ5uafdt1R@mail.gmail.com>
2010-06-21  6:35     ` Borislav Petkov
2010-06-23 22:28       ` Parag Warudkar
     [not found]       ` <20100621063552.GA16491-f9CnO7I+Q6zU6FkGJEIX5A@public.gmane.org>
2010-06-23 22:28         ` Parag Warudkar

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