Processed: Re: Bug#542250: repeatable crashes while copying 500G from NFS mount to local logical volume

2009-08-21 Thread Debian Bug Tracking System
Processing commands for cont...@bugs.debian.org: tags 542250 +patch Bug #542250 [src:linux-2.6] repeatable crashes while copying 500G from NFS mount to local logical volume Bug #516479 [src:linux-2.6] linux-image-2.6.26-1-xen-amd64: kernel-panic in xen_spin_wait an mutlicore dom0 with high

Re: Bug#542250: repeatable crashes while copying 500G from NFS mount to local logical volume

2009-08-19 Thread Nikita V. Youshchenko
This asserts that if we spin on a lock after interrupting another spin, and interrupts are enabled, we must be in a softirq. Looking at the bottom of the same file drivers/xen/core/spinlock.c: void xen_spin_kick(raw_spinlock_t *lock, unsigned int token) { unsigned int cpu;

Re: Bug#542250: repeatable crashes while copying 500G from NFS mount to local logical volume

2009-08-19 Thread Nikita V. Youshchenko
tags 542250 +patch thanks ... I may guess that line 74 should check for in_interrupt() instead of in_softirq(). I've tried that and it really fixed the problem. Server already runs the same backup procedure for several hours. Previously it crashed within 15 minutes. Here is the patch I've

Processed: Re: Bug#542250: repeatable crashes while copying 500G from NFS mount to local logical volume

2009-08-19 Thread Debian Bug Tracking System
Processing commands for cont...@bugs.debian.org: tags 542250 +patch Bug #542250 [linux-image-2.6.26-2-xen-amd64] repeatable crashes while copying 500G from NFS mount to local logical volume Added tag(s) patch. thanks Stopping processing here. Please contact me if you need assistance. Debian

Re: Bug#542250: repeatable crashes while copying 500G from NFS mount to local logical volume

2009-08-19 Thread Ben Hutchings
On Wed, 2009-08-19 at 22:36 +0400, Nikita V. Youshchenko wrote: tags 542250 +patch thanks ... I may guess that line 74 should check for in_interrupt() instead of in_softirq(). I've tried that and it really fixed the problem. Server already runs the same backup procedure for several

Re: Bug#542250: repeatable crashes while copying 500G from NFS mount to local logical volume

2009-08-19 Thread Nikita V. Youshchenko
On Wed, 2009-08-19 at 22:36 +0400, Nikita V. Youshchenko wrote: tags 542250 +patch thanks ... I may guess that line 74 should check for in_interrupt() instead of in_softirq(). I've tried that and it really fixed the problem. Server already runs the same backup procedure for