Bug#516374: INFO: task * blocked for more than 120 seconds. in numerous non-SCHED_IDLE workloads

2009-09-08 Thread Darck
Hi, Quoting Ben Hutchings : This is not exactly a crash, though I realise the effects are often just as bad as a crash. Yep, that's not really a crash. It can take some hours for the host to be unresponsive due to the high load average (ssh, local login down). It's like the system is wait

Bug#516374: INFO: task * blocked for more than 120 seconds. in numerous non-SCHED_IDLE workloads

2009-09-07 Thread Ben Hutchings
On Mon, 2009-09-07 at 09:25 +0200, Darck wrote: > > This bug report is about systems that are *not* making use of > > SCHED_IDLE, which are probably not due to the known scheduler bug. This > > particular error message typically indicates a lock ordering bug or > > infinite delay while holding a l

Bug#516374: INFO: task * blocked for more than 120 seconds. in numerous non-SCHED_IDLE workloads

2009-09-07 Thread Darck
This bug report is about systems that are *not* making use of SCHED_IDLE, which are probably not due to the known scheduler bug. This particular error message typically indicates a lock ordering bug or infinite delay while holding a lock, and can be caused by any kernel component. One such case

Bug#516374: INFO: task * blocked for more than 120 seconds. in numerous non-SCHED_IDLE workloads

2009-09-06 Thread Ben Hutchings
On Thu, 2009-09-03 at 10:14 +0200, Darck wrote: > Hi, > > Still no news about this problem ?... > > While upgrading to a newer (unstable) kernel is easy with kernels > provided by Debian, this is not the case with the Xen support. > > The 2.6.26-2 xen release is NOT useable in production envir

Bug#516374: INFO: task * blocked for more than 120 seconds. in numerous non-SCHED_IDLE workloads

2009-09-03 Thread Darck
Hi, Still no news about this problem ?... While upgrading to a newer (unstable) kernel is easy with kernels provided by Debian, this is not the case with the Xen support. The 2.6.26-2 xen release is NOT useable in production environment, and keep crashing the host due to this scheduler bug

Bug#516374: INFO: task * blocked for more than 120 seconds. in numerous non-SCHED_IDLE workloads

2009-07-20 Thread Brendon Green
Hi Ben Ben Hutchings ben-at-decadent.org.uk |DebianBug| wrote: On Fri, 2009-06-26 at 14:15 +1200, Brendon Green wrote: I could rebuild the 2.6.26 host and guest kernels for the system in question (I archive the .config files using a local version number which, unfortunately, bears little or

Bug#516374: INFO: task * blocked for more than 120 seconds. in numerous non-SCHED_IDLE workloads

2009-06-11 Thread dann frazier
On Thu, Jun 11, 2009 at 11:53:03AM -0400, John Morrissey wrote: > On Mon, Jun 08, 2009 at 07:14:44PM -0400, John Morrissey wrote: > > Thanks, Ben. Rebuilt with this patch and threw the resulting kernel on a > > couple of machines running several KVM VMs. I'll be able to provide > > confident feedba

Bug#516374: INFO: task * blocked for more than 120 seconds. in numerous non-SCHED_IDLE workloads

2009-06-11 Thread John Morrissey
On Mon, Jun 08, 2009 at 07:14:44PM -0400, John Morrissey wrote: > Thanks, Ben. Rebuilt with this patch and threw the resulting kernel on a > couple of machines running several KVM VMs. I'll be able to provide > confident feedback in a couple of days. These machines have been stable since running k

Bug#516374: INFO: task * blocked for more than 120 seconds. in numerous non-SCHED_IDLE workloads

2009-06-08 Thread John Morrissey
On Fri, Jun 05, 2009 at 03:37:33AM +0100, Ben Hutchings wrote: > Please try the patch I posted here: > > http://bugs.debian.org/cgi-bin/bugreport.cgi?msg=54;bug=517449 > > It includes a fix made between 2.6.26 and .28 that may address this bug. Thanks, Ben. Rebuilt with this patch and threw the

Bug#516374: INFO: task * blocked for more than 120 seconds. in numerous non-SCHED_IDLE workloads

2009-06-04 Thread Ben Hutchings
Please try the patch I posted here: http://bugs.debian.org/cgi-bin/bugreport.cgi?msg=54;bug=517449 It includes a fix made between 2.6.26 and .28 that may address this bug. Ben. -- Ben Hutchings Logic doesn't apply to the real world. - Marvin Minsky signature.asc Description: This is a digita