Re: RESEND, HTB(?) softlockup, vanilla 2.6.24

2008-02-17 Thread Jarek Poplawski
On Sun, Feb 17, 2008 at 02:03:33AM +0200, Denys Fedoryshchenko wrote: > Server is fully redundant now, so i apply patches (but i apply both, probably > it will make system more reliable somehow) and i enable required debug > options in kernel. So i will try to catch this bug few more times, proba

Re: RESEND, HTB(?) softlockup, vanilla 2.6.24

2008-02-16 Thread Denys Fedoryshchenko
Server is fully redundant now, so i apply patches (but i apply both, probably it will make system more reliable somehow) and i enable required debug options in kernel. So i will try to catch this bug few more times, probably if it will generate more detailed info over netconsole it will be usefu

Re: RESEND, HTB(?) softlockup, vanilla 2.6.24

2008-02-16 Thread Jarek Poplawski
On Sat, Feb 16, 2008 at 12:25:31PM +0200, Denys Fedoryshchenko wrote: > Thanks, i will try it. > You think lockdep can be buggy? Just like every code... But the main reason is it has quite meaningful overhead, so could be right "in production" only after lockups happen. But if it doesn't report an

Re: RESEND, HTB(?) softlockup, vanilla 2.6.24

2008-02-16 Thread Denys Fedoryshchenko
Thanks, i will try it. You think lockdep can be buggy? On Sat, 16 Feb 2008 09:00:36 +0100, Jarek Poplawski wrote > Denys Fedoryshchenko wrote, On 02/13/2008 09:13 AM: > > > It is very difficult to reproduce, happened after running about 1month. No > > changes done in classes at time of crash. >

Re: RESEND, HTB(?) softlockup, vanilla 2.6.24

2008-02-15 Thread Jarek Poplawski
Denys Fedoryshchenko wrote, On 02/13/2008 09:13 AM: > It is very difficult to reproduce, happened after running about 1month. No > changes done in classes at time of crash. > > Kernel 2.6.24 vanilla Hi, I could be wrong, but IMHO this looks like stack was overridden here, so my proposal is to

Re: RESEND, HTB(?) softlockup, vanilla 2.6.24

2008-02-13 Thread Jarek Poplawski
On 13-02-2008 09:13, Denys Fedoryshchenko wrote: > It is very difficult to reproduce, happened after running about 1month. No > changes done in classes at time of crash. > > Kernel 2.6.24 vanilla > > I will try to attach also .config > Hi Denys, This report looks very interesting. I don't kno