Bug#636797: linux-image-2.6.32-5-amd64: avoid divide-by-zero (divide error: 0000) in scheduler

2011-08-07 Thread Ben Hutchings
On Fri, 2011-08-05 at 18:36 -0400, Daniel Kahn Gillmor wrote: Package: linux-2.6 Version: 2.6.32-35 Tags: patch We've now seen multiple crashes during periods of heavy IO on amd64 architecture machines running 2.6.32-5-amd64 from stock squeeze installs. [...] This seems to be related to

Bug#636797: linux-image-2.6.32-5-amd64: avoid divide-by-zero (divide error: 0000) in scheduler

2011-08-07 Thread Daniel Kahn Gillmor
Hi Ben-- Thanks for the quick followup! On 08/07/2011 12:36 PM, Ben Hutchings wrote: On Fri, 2011-08-05 at 18:36 -0400, Daniel Kahn Gillmor wrote: We've applied the attached patch (a simple workaround to ensure no division-by-zero) to the debian packages for several weeks in production (over

Bug#636797: linux-image-2.6.32-5-amd64: avoid divide-by-zero (divide error: 0000) in scheduler

2011-08-07 Thread Ben Hutchings
On Sun, 2011-08-07 at 17:28 -0400, Daniel Kahn Gillmor wrote: Hi Ben-- Thanks for the quick followup! On 08/07/2011 12:36 PM, Ben Hutchings wrote: On Fri, 2011-08-05 at 18:36 -0400, Daniel Kahn Gillmor wrote: We've applied the attached patch (a simple workaround to ensure no

Bug#636797: linux-image-2.6.32-5-amd64: avoid divide-by-zero (divide error: 0000) in scheduler

2011-08-05 Thread Daniel Kahn Gillmor
Package: linux-2.6 Version: 2.6.32-35 Tags: patch We've now seen multiple crashes during periods of heavy IO on amd64 architecture machines running 2.6.32-5-amd64 from stock squeeze installs. An example crash [0] yields a backtrace like this: 2011-06-26_12:46:14.63097 [62478.818625] divide