From: Jarek Poplawski <jarkao2@gmail.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Miles Lane <miles.lane@gmail.com>,
linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
Ingo Molnar <mingo@elte.hu>,
Peter Zijlstra <a.p.zijlstra@chello.nl>
Subject: Re: 2.6.24-rc5-mm1 -- inconsistent {in-softirq-W} -> {softirq-on-R} usage.
Date: Sat, 15 Dec 2007 19:42:11 +0100 [thread overview]
Message-ID: <47642003.7090900@gmail.com> (raw)
In-Reply-To: <20071215031341.66dc0d05.akpm@linux-foundation.org>
Andrew Morton wrote, On 12/15/2007 12:13 PM:
> On Fri, 14 Dec 2007 22:58:24 -0500 "Miles Lane" <miles.lane@gmail.com> wrote:
...
>> I applied the patch and then tried my test again. This time my system
>> locked up.
>> Perhaps I should open a new thread for this, since the problem looks
>> pretty different.
>>
>> Dec 14 21:32:55 feargod kernel: process `cat' is using deprecated
>> sysctl (syscall) net.ipv6.neigh.default.retrans_time; Use
>> net.ipv6.neigh.default.retran
>> s_time_ms instead.
>> Dec 14 21:32:55 feargod kernel:
>> Dec 14 21:32:55 feargod kernel: =====================================
>> Dec 14 21:32:55 feargod kernel: [ BUG: bad unlock balance detected! ]
>> Dec 14 21:32:55 feargod kernel: -------------------------------------
>> Dec 14 21:32:55 feargod kernel: cat/6180 is trying to release lock
>> (kkkkkkk�����H3��) at:
>> Dec 14 21:32:55 feargod kernel: [packet_seq_stop+0xe/0x10]
>> packet_seq_stop+0xe/0x10
>> Dec 14 21:32:55 feargod kernel: but there are no more locks to release!
>> Dec 14 21:32:55 feargod kernel:
>> Dec 14 21:32:55 feargod kernel: other info that might help us debug this:
>> Dec 14 21:32:55 feargod kernel: 2 locks held by cat/6180:
>> Dec 14 21:32:55 feargod kernel: #0: (&p->lock){--..}, at:
>> [crypto_algapi:seq_read+0x25/0x191c1] seq_read+0x25/0x26f
>> Dec 14 21:32:55 feargod kernel: #1:
>> (&net->packet.sklist_lock){-.--}, at: [packet_seq_start+0x14/0x4d]
>> packet_seq_start+0x14/0x4d
Miles, I didn't check this yet, but since there were some considerable
changes, including locking, you could try with reverting some of these
last 3 patches to net/packet by Denis:
http://git.kernel.org/?p=linux/kernel/git/davem/net-2.6.25.git;a=history;f=net/packet/af_packet.c;h=485af5691d64270a02322925a6ccfad9d02b7f78;hb=HEAD
Regards,
Jarek P.
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next prev parent reply other threads:[~2007-12-15 18:42 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <a44ae5cd0712141413u4ddbfd06gca259cfc3bc0ab1a@mail.gmail.com>
2007-12-14 23:36 ` 2.6.24-rc5-mm1 -- inconsistent {in-softirq-W} -> {softirq-on-R} usage Andrew Morton
2007-12-15 7:18 ` Herbert Xu
[not found] ` <a44ae5cd0712141958o10d9a320h3b8173019ac6b0eb@mail.gmail.com>
2007-12-15 5:58 ` Andrew Morton
2007-12-15 11:13 ` Andrew Morton
2007-12-15 17:06 ` Jarek Poplawski
2007-12-15 18:42 ` Jarek Poplawski [this message]
2007-12-16 3:10 ` Herbert Xu
[not found] ` <a44ae5cd0712151213o59c0df76je273948c965e59c3@mail.gmail.com>
[not found] ` <a44ae5cd0712151255u25610059u946d975324ae128@mail.gmail.com>
2007-12-16 4:30 ` Andrew Morton
2007-12-16 21:59 ` David Miller
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