Re: System hangs on running kernbench

2007-07-24 Thread Ingo Molnar
* Srivatsa Vaddagiri <[EMAIL PROTECTED]> wrote: > Basically, "make -s -j" workload hanged the machine, leading to lot of > OOM killings. This was on a 8-cpu machine with no swap space > configured and 4GB RAM. The same workload works "fine" (runs to > completion) on 2.6.22. while i agree

Re: System hangs on running kernbench

2007-07-24 Thread Srivatsa Vaddagiri
On Wed, Jul 18, 2007 at 01:26:48PM +0530, Dhaval Giani wrote: > Hi Andrew, > > I was running kernbench on top of 2.6.22-rc6-mm1 and I got a Hangcheck > alert (This is when kernbench reached make -j). > > Also make -j is hanging. [refer http://marc.info/?l=linux-kernel=118474574807055 for

Re: System hangs on running kernbench

2007-07-24 Thread Srivatsa Vaddagiri
On Wed, Jul 18, 2007 at 01:26:48PM +0530, Dhaval Giani wrote: Hi Andrew, I was running kernbench on top of 2.6.22-rc6-mm1 and I got a Hangcheck alert (This is when kernbench reached make -j). Also make -j is hanging. [refer http://marc.info/?l=linux-kernelm=118474574807055 for complete

Re: System hangs on running kernbench

2007-07-24 Thread Ingo Molnar
* Srivatsa Vaddagiri [EMAIL PROTECTED] wrote: Basically, make -s -j workload hanged the machine, leading to lot of OOM killings. This was on a 8-cpu machine with no swap space configured and 4GB RAM. The same workload works fine (runs to completion) on 2.6.22. while i agree that the

Re: System hangs on running kernbench

2007-07-19 Thread Dhaval Giani
> (gdb) thread 6 > [Switching to thread 6 (process 6233)]#0 __do_softirq () > at kernel/softirq.c:231 > 231 if (pending & 1) { > (gdb) bt > #0 __do_softirq () at kernel/softirq.c:231 > #1 0xc012998b in do_softirq () at kernel/softirq.c:269 > #2 0xc0129a09 in irq_exit ()

Re: System hangs on running kernbench

2007-07-19 Thread Dhaval Giani
On Wed, Jul 18, 2007 at 08:16:37PM +0530, Dhaval Giani wrote: > Hi Andrew, > > On Wed, Jul 18, 2007 at 03:11:42PM +0530, Dhaval Giani wrote: > > On Wed, Jul 18, 2007 at 01:07:00AM -0700, Andrew Morton wrote: > > > On Wed, 18 Jul 2007 13:26:48 +0530 Dhaval Giani <[EMAIL PROTECTED]> wrote: > > >

Re: System hangs on running kernbench

2007-07-19 Thread Dhaval Giani
(gdb) thread 6 [Switching to thread 6 (process 6233)]#0 __do_softirq () at kernel/softirq.c:231 231 if (pending 1) { (gdb) bt #0 __do_softirq () at kernel/softirq.c:231 #1 0xc012998b in do_softirq () at kernel/softirq.c:269 #2 0xc0129a09 in irq_exit () at

Re: System hangs on running kernbench

2007-07-19 Thread Dhaval Giani
On Wed, Jul 18, 2007 at 08:16:37PM +0530, Dhaval Giani wrote: Hi Andrew, On Wed, Jul 18, 2007 at 03:11:42PM +0530, Dhaval Giani wrote: On Wed, Jul 18, 2007 at 01:07:00AM -0700, Andrew Morton wrote: On Wed, 18 Jul 2007 13:26:48 +0530 Dhaval Giani [EMAIL PROTECTED] wrote: In the

Re: System hangs on running kernbench

2007-07-18 Thread Dhaval Giani
Hi Chuck, On Wed, Jul 18, 2007 at 11:08:18AM -0400, Chuck Ebbert wrote: > On 07/18/2007 05:41 AM, Dhaval Giani wrote: > > On Wed, Jul 18, 2007 at 01:07:00AM -0700, Andrew Morton wrote: > >> On Wed, 18 Jul 2007 13:26:48 +0530 Dhaval Giani <[EMAIL PROTECTED]> wrote: > >> > Softlockup is broken in

Re: System hangs on running kernbench

2007-07-18 Thread Chuck Ebbert
On 07/18/2007 05:41 AM, Dhaval Giani wrote: > On Wed, Jul 18, 2007 at 01:07:00AM -0700, Andrew Morton wrote: >> On Wed, 18 Jul 2007 13:26:48 +0530 Dhaval Giani <[EMAIL PROTECTED]> wrote: >> >>> I was running kernbench on top of 2.6.22-rc6-mm1 and I got a Hangcheck >>> alert (This is when kernbench

Re: System hangs on running kernbench

2007-07-18 Thread Dhaval Giani
Hi Andrew, On Wed, Jul 18, 2007 at 03:11:42PM +0530, Dhaval Giani wrote: > On Wed, Jul 18, 2007 at 01:07:00AM -0700, Andrew Morton wrote: > > On Wed, 18 Jul 2007 13:26:48 +0530 Dhaval Giani <[EMAIL PROTECTED]> wrote: > > > In the meantime I will go and check if it was there in 2.6.22-rc4-mm2 >

Re: System hangs on running kernbench

2007-07-18 Thread Dhaval Giani
On Wed, Jul 18, 2007 at 01:07:00AM -0700, Andrew Morton wrote: > On Wed, 18 Jul 2007 13:26:48 +0530 Dhaval Giani <[EMAIL PROTECTED]> wrote: > > > I was running kernbench on top of 2.6.22-rc6-mm1 and I got a Hangcheck > > alert (This is when kernbench reached make -j). > > hm, never had a report

Re: System hangs on running kernbench

2007-07-18 Thread Andrew Morton
On Wed, 18 Jul 2007 13:26:48 +0530 Dhaval Giani <[EMAIL PROTECTED]> wrote: > I was running kernbench on top of 2.6.22-rc6-mm1 and I got a Hangcheck > alert (This is when kernbench reached make -j). hm, never had a report of that before. It's the first time I've seen hangcheck produce anything

System hangs on running kernbench

2007-07-18 Thread Dhaval Giani
Hi Andrew, I was running kernbench on top of 2.6.22-rc6-mm1 and I got a Hangcheck alert (This is when kernbench reached make -j). Also make -j is hanging. (Also checked, it doesn't hang on 2.6.22) This is my /proc/cpuinfo processor : 0 vendor_id : GenuineIntel cpu family : 15

System hangs on running kernbench

2007-07-18 Thread Dhaval Giani
Hi Andrew, I was running kernbench on top of 2.6.22-rc6-mm1 and I got a Hangcheck alert (This is when kernbench reached make -j). Also make -j is hanging. (Also checked, it doesn't hang on 2.6.22) This is my /proc/cpuinfo processor : 0 vendor_id : GenuineIntel cpu family : 15

Re: System hangs on running kernbench

2007-07-18 Thread Andrew Morton
On Wed, 18 Jul 2007 13:26:48 +0530 Dhaval Giani [EMAIL PROTECTED] wrote: I was running kernbench on top of 2.6.22-rc6-mm1 and I got a Hangcheck alert (This is when kernbench reached make -j). hm, never had a report of that before. It's the first time I've seen hangcheck produce anything

Re: System hangs on running kernbench

2007-07-18 Thread Dhaval Giani
On Wed, Jul 18, 2007 at 01:07:00AM -0700, Andrew Morton wrote: On Wed, 18 Jul 2007 13:26:48 +0530 Dhaval Giani [EMAIL PROTECTED] wrote: I was running kernbench on top of 2.6.22-rc6-mm1 and I got a Hangcheck alert (This is when kernbench reached make -j). hm, never had a report of that

Re: System hangs on running kernbench

2007-07-18 Thread Dhaval Giani
Hi Andrew, On Wed, Jul 18, 2007 at 03:11:42PM +0530, Dhaval Giani wrote: On Wed, Jul 18, 2007 at 01:07:00AM -0700, Andrew Morton wrote: On Wed, 18 Jul 2007 13:26:48 +0530 Dhaval Giani [EMAIL PROTECTED] wrote: In the meantime I will go and check if it was there in 2.6.22-rc4-mm2 It is

Re: System hangs on running kernbench

2007-07-18 Thread Chuck Ebbert
On 07/18/2007 05:41 AM, Dhaval Giani wrote: On Wed, Jul 18, 2007 at 01:07:00AM -0700, Andrew Morton wrote: On Wed, 18 Jul 2007 13:26:48 +0530 Dhaval Giani [EMAIL PROTECTED] wrote: I was running kernbench on top of 2.6.22-rc6-mm1 and I got a Hangcheck alert (This is when kernbench reached make

Re: System hangs on running kernbench

2007-07-18 Thread Dhaval Giani
Hi Chuck, On Wed, Jul 18, 2007 at 11:08:18AM -0400, Chuck Ebbert wrote: On 07/18/2007 05:41 AM, Dhaval Giani wrote: On Wed, Jul 18, 2007 at 01:07:00AM -0700, Andrew Morton wrote: On Wed, 18 Jul 2007 13:26:48 +0530 Dhaval Giani [EMAIL PROTECTED] wrote: Softlockup is broken in 2.6.22.