Messages in this thread |  | | | Date | Mon, 2 Aug 2010 09:50:55 +0200 (CEST) | | From | Thomas Gleixner <> | | Subject | Re: 2.6.33.6-rt26: oops (network related?) |
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On Sat, 31 Jul 2010, Fernando Lopez-Lezcano wrote:
> On Thu, 2010-07-29 at 20:30 -0700, Fernando Lopez-Lezcano wrote: > > Hi all... > > This may not be rt related but here it goes anyway. It happened when I > > tried to restart my iptables service (/sbin/service iptables start). I > > think a day or two ago I had another network related hang, but it was a > > complete hang (no clues left behind - power button to reset). > > Ok this one is rt related (apparently). The workstation (4 core, intel > based) hang hard while a process was starting a daily backup but the > logs captured the BUG: > > -------- > Jul 31 06:48:35 localhost kernel: ------------[ cut here ]------------ > Jul 31 06:48:35 localhost kernel: kernel BUG at kernel/rtmutex.c:808!
Weird, line 808 is a comment. The BUG_ON in rt_spin_lock_slowlock() is at line 831.
> Jul 31 06:48:35 localhost kernel: [<c0792332>] ? rt_spin_lock+0x8/0xa > Jul 31 06:48:35 localhost kernel: [<c075f896>] ? ipt_do_table+0xce/0x4f0
Yeah, that's the iptables locking problem, which is fixed in rt27.
Thanks,
tglx
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