On Fri, 2006-07-28 at 10:17 +0200, Michal Piotrowski wrote:
> Hi,
>
> On 27/07/06, Michal Piotrowski <[email protected]> wrote:
> > Hi Andrew,
> >
> > On 27/07/06, Andrew Morton <[email protected]> wrote:
> > >
> > > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.18-rc2/2.6.18-rc2-mm1/
> > >
> >
> > It appears while /sbin/start_udev
> >
> > Jul 27 15:17:17 ltg01-fedora kernel: BUG: unable to handle kernel
> > paging request at virtual address 6b6b6c07
> > Jul 27 15:17:17 ltg01-fedora kernel: printing eip:
> > Jul 27 15:17:17 ltg01-fedora kernel: c0138722
> > Jul 27 15:17:17 ltg01-fedora kernel: *pde = 00000000
> > Jul 27 15:17:17 ltg01-fedora kernel: Oops: 0002 [#1]
> > Jul 27 15:17:17 ltg01-fedora kernel: 4K_STACKS PREEMPT SMP
> > Jul 27 15:17:17 ltg01-fedora kernel: last sysfs file:
> > /devices/pci0000:00/0000:00:1d.7/uevent
> > Jul 27 15:17:17 ltg01-fedora kernel: Modules linked in: snd_timer snd
> > soundcore snd_page_alloc intel_agp agpgart ide_cd cdrom ipv6 w83627hf
> > hwmon_vid hwmon i2c_isa i2c_i801 skge af_packet
> > ip_conntrack_netbios_ns ipt_REJECT xt_state ip_conntrack nfnetlink
> > xt_tcpudp iptable_filter ip_tables x_tables cpufreq_userspace
> > p4_clockmod speedstep_lib binfmt_misc thermal processor fan container
> > rtc unix
> > Jul 27 15:17:17 ltg01-fedora kernel: CPU: 0
> > Jul 27 15:17:17 ltg01-fedora kernel: EIP: 0060:[<c0138722>] Not
> > tainted VLI
> > Jul 27 15:17:17 ltg01-fedora kernel: EFLAGS: 00010046 (2.6.18-rc2-mm1 #78)
> > Jul 27 15:17:17 ltg01-fedora kernel: EIP is at __lock_acquire+0x362/0xaea
> > Jul 27 15:17:17 ltg01-fedora kernel: eax: 00000000 ebx: 6b6b6b6b
> > ecx: c0360358 edx: 00000000
> > Jul 27 15:17:17 ltg01-fedora kernel: esi: 00000000 edi: 00000000
> > ebp: f544ddf4 esp: f544ddc0
> > Jul 27 15:17:17 ltg01-fedora kernel: ds: 007b es: 007b ss: 0068
> > Jul 27 15:17:17 ltg01-fedora kernel: Process udevd (pid: 1353,
> > ti=f544d000 task=f6fce8f0 task.ti=f544d000)
> > Jul 27 15:17:17 ltg01-fedora kernel: Stack: 00000000 00000000 00000000
> > c7749ea4 f6fce8f0 c0138e74 000001e8 00000000
> > Jul 27 15:17:17 ltg01-fedora kernel: 00000000 f6653fa4 00000246
> > 00000000 00000000 f544de1c c0139214 00000000
> > Jul 27 15:17:17 ltg01-fedora kernel: 00000002 00000000 c014fe3a
> > c7749ea4 c7749e90 f6fce8f0 f5b19b04 f544de34
> > Jul 27 15:17:17 ltg01-fedora kernel: Call Trace:
> > Jul 27 15:17:17 ltg01-fedora kernel: [<c0139214>] lock_acquire+0x71/0x91
> > Jul 27 15:17:17 ltg01-fedora kernel: [<c02f2bfb>] _spin_lock+0x23/0x32
> > Jul 27 15:17:17 ltg01-fedora kernel: [<c014fe3a>]
> > __delayacct_blkio_ticks+0x16/0x67
> > Jul 27 15:17:17 ltg01-fedora kernel: [<c01a4f76>] do_task_stat+0x3df/0x6c1
> > Jul 27 15:17:17 ltg01-fedora kernel: [<c01a5265>] proc_tgid_stat+0xd/0xf
> > Jul 27 15:17:17 ltg01-fedora kernel: [<c01a29dd>] proc_info_read+0x50/0xb3
> > Jul 27 15:17:17 ltg01-fedora kernel: [<c0171cbb>] vfs_read+0xcb/0x177
> > Jul 27 15:17:17 ltg01-fedora kernel: [<c017217c>] sys_read+0x3b/0x71
> > Jul 27 15:17:17 ltg01-fedora kernel: [<c0103119>] sysenter_past_esp+0x56/0x8d
> > Jul 27 15:17:17 ltg01-fedora kernel: DWARF2 unwinder stuck at
> > sysenter_past_esp+0x56/0x8d
> > Jul 27 15:17:17 ltg01-fedora kernel: Leftover inexact backtrace:
> > Jul 27 15:17:17 ltg01-fedora kernel: [<c0104318>] show_stack_log_lvl+0x8c/0x97
> > Jul 27 15:17:17 ltg01-fedora kernel: [<c010447f>] show_registers+0x15c/0x1ed
> > Jul 27 15:17:17 ltg01-fedora kernel: [<c01046c2>] die+0x1b2/0x2b7
> > Jul 27 15:17:17 ltg01-fedora kernel: [<c0116f5f>] do_page_fault+0x410/0x4f0
> > Jul 27 15:17:17 ltg01-fedora kernel: [<c0103d1d>] error_code+0x39/0x40
> > Jul 27 15:17:17 ltg01-fedora kernel: [<c0139214>] lock_acquire+0x71/0x91
> > Jul 27 15:17:17 ltg01-fedora kernel: [<c02f2bfb>] _spin_lock+0x23/0x32
> > Jul 27 15:17:17 ltg01-fedora kernel: [<c014fe3a>]
> > __delayacct_blkio_ticks+0x16/0x67
> > Jul 27 15:17:17 ltg01-fedora kernel: [<c01a4f76>] do_task_stat+0x3df/0x6c1
> > Jul 27 15:17:17 ltg01-fedora kernel: [<c01a5265>] proc_tgid_stat+0xd/0xf
> > Jul 27 15:17:17 ltg01-fedora kernel: [<c01a29dd>] proc_info_read+0x50/0xb3
> > Jul 27 15:17:17 ltg01-fedora kernel: [<c0171cbb>] vfs_read+0xcb/0x177
> > Jul 27 15:17:17 ltg01-fedora kernel: [<c017217c>] sys_read+0x3b/0x71
> > Jul 27 15:17:17 ltg01-fedora kernel: [<c0103119>] sysenter_past_esp+0x56/0x8d
> > Jul 27 15:17:17 ltg01-fedora kernel: Code: 68 4b 75 2f c0 68 d5 04 00
> > 00 68 b9 75 31 c0 68 e3 06 31 c0 e8 ce 7e fe ff e8 87 c2 fc ff 83 c4
> > 10 eb 08 85 db 0f 84 6b 07 00 00 <f0> ff 83 9c 00 00 00 8b 55 dc 8b 92
> > 5c 05 00 00 89 55 e4 83 fa
> > Jul 27 15:17:17 ltg01-fedora kernel: EIP: [<c0138722>]
> > __lock_acquire+0x362/0xaea SS:ESP 0068:f544ddc0
> > Jul 27 15:17:17 ltg01-fedora kernel: <3>BUG: sleeping function called
> > from invalid context at /usr/src/linux-mm/kernel/rwsem.c:20
> > Jul 27 15:17:17 ltg01-fedora kernel: in_atomic():1, irqs_disabled():1
> > Jul 27 15:17:17 ltg01-fedora kernel: [<c0104192>] show_trace_log_lvl+0x58/0x152
> > Jul 27 15:17:17 ltg01-fedora kernel: [<c0104896>] show_trace+0xd/0x10
> > Jul 27 15:17:17 ltg01-fedora kernel: [<c01049b5>] dump_stack+0x19/0x1b
> > Jul 27 15:17:17 ltg01-fedora kernel: [<c0118d37>] __might_sleep+0x8d/0x95
> > Jul 27 15:17:17 ltg01-fedora kernel: [<c013595d>] down_read+0x15/0x3b
> > Jul 27 15:17:17 ltg01-fedora kernel: [<c012cd93>]
> > blocking_notifier_call_chain+0x11/0x2d
> > Jul 27 15:17:17 ltg01-fedora kernel: [<c012cdc6>] notify_watchers+0x17/0x53
> > Jul 27 15:17:17 ltg01-fedora kernel: [<c0122961>] do_exit+0x26/0xa4f
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c01047a1>] die+0x291/0x2b7
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c0116f5f>] do_page_fault+0x410/0x4f0
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c0103d1d>] error_code+0x39/0x40
> > Jul 27 15:17:18 ltg01-fedora kernel: DWARF2 unwinder stuck at
> > error_code+0x39/0x40
> > Jul 27 15:17:18 ltg01-fedora kernel: Leftover inexact backtrace:
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c0104896>] show_trace+0xd/0x10
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c01049b5>] dump_stack+0x19/0x1b
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c0118d37>] __might_sleep+0x8d/0x95
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c013595d>] down_read+0x15/0x3b
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c012cd93>]
> > blocking_notifier_call_chain+0x11/0x2d
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c012cdc6>] notify_watchers+0x17/0x53
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c0122961>] do_exit+0x26/0xa4f
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c01047a1>] die+0x291/0x2b7
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c0116f5f>] do_page_fault+0x410/0x4f0
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c0103d1d>] error_code+0x39/0x40
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c0139214>] lock_acquire+0x71/0x91
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c02f2bfb>] _spin_lock+0x23/0x32
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c014fe3a>]
> > __delayacct_blkio_ticks+0x16/0x67
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c01a4f76>] do_task_stat+0x3df/0x6c1
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c01a5265>] proc_tgid_stat+0xd/0xf
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c01a29dd>] proc_info_read+0x50/0xb3
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c0171cbb>] vfs_read+0xcb/0x177
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c017217c>] sys_read+0x3b/0x71
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c0103119>] sysenter_past_esp+0x56/0x8d
> > Jul 27 15:17:18 ltg01-fedora kernel: note: udevd[1353] exited with
> > preempt_count 1
> > Jul 27 15:17:18 ltg01-fedora kernel: BUG: scheduling while atomic:
> > udevd/0x00000001/1353
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c0104192>] show_trace_log_lvl+0x58/0x152
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c0104896>] show_trace+0xd/0x10
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c01049b5>] dump_stack+0x19/0x1b
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c02ef76f>] __sched_text_start+0x5f/0xc95
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c02f2977>] __down+0xaf/0xc3
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c02f275e>] __down_failed+0xa/0xe
> > Jul 27 15:17:18 ltg01-fedora kernel: DWARF2 unwinder stuck at
> > __down_failed+0xa/0xe
> > Jul 27 15:17:18 ltg01-fedora kernel: Leftover inexact backtrace:
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c0104896>] show_trace+0xd/0x10
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c01049b5>] dump_stack+0x19/0x1b
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c02ef76f>] __sched_text_start+0x5f/0xc95
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c02f2977>] __down+0xaf/0xc3
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c02f275e>] __down_failed+0xa/0xe
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c02f32aa>]
> > .text.lock.kernel_lock+0x1b/0x3d
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c023c881>] disassociate_ctty+0xd/0x16e
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c0122d8d>] do_exit+0x452/0xa4f
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c01047a1>] die+0x291/0x2b7
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c0116f5f>] do_page_fault+0x410/0x4f0
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c0103d1d>] error_code+0x39/0x40
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c0139214>] lock_acquire+0x71/0x91
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c02f2bfb>] _spin_lock+0x23/0x32
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c014fe3a>]
> > __delayacct_blkio_ticks+0x16/0x67
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c01a4f76>] do_task_stat+0x3df/0x6c1
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c01a5265>] proc_tgid_stat+0xd/0xf
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c01a29dd>] proc_info_read+0x50/0xb3
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c0171cbb>] vfs_read+0xcb/0x177
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c017217c>] sys_read+0x3b/0x71
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c0103119>] sysenter_past_esp+0x56/0x8d
> > Jul 27 15:17:18 ltg01-fedora kernel: slab error in
> > verify_redzone_free(): cache `delayacct_cache': double free detected
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c0104192>] show_trace_log_lvl+0x58/0x152
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c0104896>] show_trace+0xd/0x10
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c01049b5>] dump_stack+0x19/0x1b
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c016bdb4>] __slab_error+0x17/0x1c
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c016be85>]
> > cache_free_debugcheck+0xcc/0x1c7
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c016c74f>] kmem_cache_free+0xa0/0xff
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c014ff3e>]
> > __delayacct_tsk_exit+0x38/0x3d
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c0150281>]
> > delayacct_watch_task+0x5a/0x65
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c012ca03>] notifier_call_chain+0x20/0x31
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c012cd9f>]
> > blocking_notifier_call_chain+0x1d/0x2d
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c012cdc6>] notify_watchers+0x17/0x53
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c0122bf4>] do_exit+0x2b9/0xa4f
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c0123415>] sys_exit_group+0x0/0x11
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c0104896>] show_trace+0xd/0x10
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c01049b5>] dump_stack+0x19/0x1b
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c016bdb4>] __slab_error+0x17/0x1c
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c016be85>]
> > cache_free_debugcheck+0xcc/0x1c7
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c016c74f>] kmem_cache_free+0xa0/0xff
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c014ff3e>]
> > __delayacct_tsk_exit+0x38/0x3d
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c0150281>]
> > delayacct_watch_task+0x5a/0x65
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c012ca03>] notifier_call_chain+0x20/0x31
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c012cd9f>]
> > blocking_notifier_call_chain+0x1d/0x2d
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c012cdc6>] notify_watchers+0x17/0x53
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c0122bf4>] do_exit+0x2b9/0xa4f
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c0123415>] sys_exit_group+0x0/0x11
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c0123424>] sys_exit_group+0xf/0x11
> > Jul 27 15:17:18 ltg01-fedora kernel: [<c0103119>] sysenter_past_esp+0x56/0x8d
> >
> > list *0xc0138722
> > 0xc0138722 is in __lock_acquire (include2/asm/atomic.h:96).
> > 91 *
> > 92 * Atomically increments @v by 1.
> > 93 */
> > 94 static __inline__ void atomic_inc(atomic_t *v)
> > 95 {
> > 96 __asm__ __volatile__(
> > 97 LOCK_PREFIX "incl %0"
> > 98 :"+m" (v->counter));
> > 99 }
> > 100
> >
> > http://www.stardust.webpages.pl/files/mm/2.6.18-rc2-mm1/mm-config
> >
>
> Matt, can you look at this?
>
> My hunt file shows me, that this patches are causing oops.
> GOOD
> #
> #
> task-watchers-task-watchers.patch
> task-watchers-register-process-events-task-watcher.patch
> task-watchers-refactor-process-events.patch
> task-watchers-make-process-events-configurable-as.patch
> task-watchers-allow-task-watchers-to-block.patch
> task-watchers-register-audit-task-watcher.patch
> task-watchers-register-per-task-delay-accounting.patch
> task-watchers-register-profile-as-a-task-watcher.patch
> task-watchers-add-support-for-per-task-watchers.patch
> task-watchers-register-semundo-task-watcher.patch
> task-watchers-register-per-task-semundo-watcher.patch
> BAD
>
> Regards,
> Michal
Sure. Thanks for the report.
Cheers,
-Matt Helsley
-
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