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-   -   Bug#416393: BUG: warning at kernel/cpu.c:51/unlock_cpu_hotplug() (http://www.linux-archive.org/debian-kernel/99333-bug-416393-bug-warning-kernel-cpu-c-51-unlock_cpu_hotplug.html)

Sergio Gelato 06-02-2008 02:48 PM

Bug#416393: BUG: warning at kernel/cpu.c:51/unlock_cpu_hotplug()
 
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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Andrejs Dubovskis 06-19-2008 03:13 PM

Bug#416393: BUG: warning at kernel/cpu.c:51/unlock_cpu_hotplug()
 
Linux version 2.6.18-6-686 (Debian 2.6.18.dfsg.1-18etch6) (dannf@debian.org)
(gcc version 4.1.2 20061115 (prerelease) (Debian 4.1.1-21)) #1 SMP Fri Jun 6
22:22:11 UTC 2008


2 CPU system

BUG: warning at kernel/cpu.c:51/unlock_cpu_hotplug()
[<c0132ab4>] unlock_cpu_hotplug+0x2c/0x54
[<c01187a3>] sched_getaffinity+0x67/0x6e
[<c01187c9>] sys_sched_getaffinity+0x1f/0x41
[<c0102c11>] sysenter_past_esp+0x56/0x79




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