From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jarek Poplawski Subject: Re: 2.6.24-rc5-mm1 -- inconsistent {in-softirq-W} -> {softirq-on-R} usage. Date: Sat, 15 Dec 2007 19:42:11 +0100 Message-ID: <47642003.7090900@gmail.com> References: <20071214153633.5d8f609a.akpm@linux-foundation.org> <20071215031341.66dc0d05.akpm@linux-foundation.org> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: Miles Lane , linux-kernel@vger.kernel.org, netdev@vger.kernel.org, Ingo Molnar , Peter Zijlstra To: Andrew Morton Return-path: In-Reply-To: <20071215031341.66dc0d05.akpm@linux-foundation.org> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org Andrew Morton wrote, On 12/15/2007 12:13 PM: > On Fri, 14 Dec 2007 22:58:24 -0500 "Miles Lane" wrote: =2E.. >> I applied the patch and then tried my test again. This time my syst= em >> 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: =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D >> 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=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BDH3=EF=BF=BD=EF=BF= =BD) 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 relea= se! >> 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=3Dlinux/kernel/git/davem/net-2.6.25.git;a=3Dhi= story;f=3Dnet/packet/af_packet.c;h=3D485af5691d64270a02322925a6ccfad9d0= 2b7f78;hb=3DHEAD Regards, Jarek P. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel"= in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/