Re: Linux 2.6.21-rc5

From: Michal Piotrowski
Date: Wed Mar 28 2007 - 10:56:45 EST


Andi Kleen napisaÅ(a):
> On Tuesday 27 March 2007 20:53, Michal Piotrowski wrote:
>> Linus Torvalds napisaÅ(a):
>>> There's various fixes here, ranging from some architecture updates (ia64,
>>> ARM, MIPS, SH, Sparc64) to KVM, networking and network drivers.
>>>
>>> And random one-liners.
>>>
>> I found this in mm snapshot
>> http://www.ussg.iu.edu/hypermail/linux/kernel/0703.2/1367.html
>> it's in mainline too.
>>
>> Andi, any progress with this bug?
>
> Can you test this patch please?
>

BUG: using smp_processor_id() in preemptible [00000001] code: mount/7245
is fixed, thanks.


but I still get this

[ 208.523901] =================================
[ 208.529739] [ INFO: inconsistent lock state ]
[ 208.534087] 2.6.21-rc5-g28defbea-dirty #131
[ 208.538260] ---------------------------------
[ 208.542611] inconsistent {hardirq-on-W} -> {in-hardirq-W} usage.
[ 208.548600] swapper/0 [HC1[1]:SC0[0]:HE0:SE1] takes:
[ 208.553553] (oprofilefs_lock){+-..}, at: [<fdc85b6a>] nmi_cpu_setup+0x15/0x4f [oprofile]
[ 208.561800] {hardirq-on-W} state was registered at:
[ 208.566665] [<c013dba4>] __lock_acquire+0x442/0xba1
[ 208.571765] [<c013e36b>] lock_acquire+0x68/0x82
[ 208.576519] [<c031bb37>] _spin_lock+0x35/0x42
[ 208.581102] [<fdc85343>] oprofilefs_ulong_from_user+0x4e/0x74 [oprofile]
[ 208.588026] [<fdc85393>] ulong_write_file+0x2a/0x38 [oprofile]
[ 208.594084] [<c0172693>] vfs_write+0xaf/0x138
[ 208.598658] [<c0172c5d>] sys_write+0x3d/0x61
[ 208.603171] [<c0104060>] syscall_call+0x7/0xb
[ 208.607751] [<ffffffff>] 0xffffffff
[ 208.611478] irq event stamp: 575782
[ 208.614960] hardirqs last enabled at (575781): [<c0102ac2>] default_idle+0x3e/0x59
[ 208.622645] hardirqs last disabled at (575782): [<c0104ae9>] call_function_interrupt+0x29/0x38
[ 208.631281] softirqs last enabled at (575768): [<c0126537>] __do_softirq+0xe4/0xea
[ 208.638965] softirqs last disabled at (575759): [<c01069b5>] do_softirq+0x64/0xd1
[ 208.646478]
[ 208.646479] other info that might help us debug this:
[ 208.653003] no locks held by swapper/0.
[ 208.656832]
[ 208.656833] stack backtrace:
[ 208.661199] [<c0105039>] show_trace_log_lvl+0x1a/0x2f
[ 208.666350] [<c0105720>] show_trace+0x12/0x14
[ 208.670811] [<c01057d2>] dump_stack+0x16/0x18
[ 208.675272] [<c013c57f>] print_usage_bug+0x140/0x14a
[ 208.680336] [<c013cd8a>] mark_lock+0xa1/0x40b
[ 208.684796] [<c013db15>] __lock_acquire+0x3b3/0xba1
[ 208.689775] [<c013e36b>] lock_acquire+0x68/0x82
[ 208.694410] [<c031bb37>] _spin_lock+0x35/0x42
[ 208.698869] [<fdc85b6a>] nmi_cpu_setup+0x15/0x4f [oprofile]
[ 208.704540] [<c0112a61>] smp_call_function_interrupt+0x3a/0x56
[ 208.710470] [<c0104af3>] call_function_interrupt+0x33/0x38
[ 208.716053] [<c01023b8>] cpu_idle+0xb6/0xeb
[ 208.720342] [<c0113bb0>] start_secondary+0x333/0x33b
[ 208.725407] [<00000000>] 0x0
[ 208.728397] =======================


Regards,
Michal

--
Michal K. K. Piotrowski
LTG - Linux Testers Group (PL)
(http://www.stardust.webpages.pl/ltg/)
LTG - Linux Testers Group (EN)
(http://www.stardust.webpages.pl/linux_testers_group_en/)
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