Bug#416393: BUG: warning at kernel/cpu.c:51/unlock_cpu_hotplug()

To: 416393@bugs.debian.org
Subject: Bug#416393: BUG: warning at kernel/cpu.c:51/unlock_cpu_hotplug()
From: Sergio Gelato <Sergio.Gelato@astro.su.se>
Date: Mon, 2 Jun 2008 16:48:35 +0200
Message-id: <[🔎] 20080602144834.GF6391@hanuman.astro.su.se>
Reply-to: Sergio Gelato <Sergio.Gelato@astro.su.se>, 416393@bugs.debian.org

found 416393 2.6.18.dfsg.1-18etch5
thanks

Saw the following, at exactly the same time (to the second), on three nodes 
of a 21-node cluster running a LAM/MPI application. In case it matters,
the nodes are all dual-Xeon E5430 running in 64-bit mode.

Jun  2 11:50:36 rama19 kernel: BUG: warning at kernel/cpu.c:51/unlock_cpu_hotplug()
Jun  2 11:50:36 rama19 kernel:
Jun  2 11:50:36 rama19 kernel: Call Trace:
Jun  2 11:50:36 rama19 kernel:  [<ffffffff80293ec2>] unlock_cpu_hotplug+0x3f/0x6c
Jun  2 11:50:36 rama19 kernel:  [<ffffffff8027f493>] sched_setaffinity+0xf5/0x101
Jun  2 11:50:36 rama19 kernel:  [<ffffffff8027f4e6>] sys_sched_setaffinity+0x47/0x54
Jun  2 11:50:36 rama19 kernel:  [<ffffffff80257c16>] system_call+0x7e/0x83

It's only a warning, so I'm not too worried.

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