On Thu, 2007-08-09 at 14:45 +0200, Peter Zijlstra wrote: > On Thu, 2007-08-09 at 15:10 +0400, Alexey Dobriyan wrote: > > LTP run reproducably hangs during rwtest01 test > > rwtest -N rwtest01 -c -q -i 60s -f sync 10%25000:rs-sync=$$ > > Calltrace is always the same: > >
> [EMAIL PROTECTED] ~]# PATH=/testcases/bin/:$PATH /testcases/bin/rwtest -N > rwtest01 -c -q -i 60s -f sync 10%25000:rs-sync=$$ > rwtest01 1 PASS : Test passed > [EMAIL PROTECTED] ~]# PATH=/testcases/bin/:$PATH /testcases/bin/rwtest -N > rwtest01 -c -q -i 60s -f sync 10%25000:rs-sync=$$ > > I can reproduce, but not always. > > Also, since the task->dirties member is initialized in fork.c this > should either _always_ happen or never. So this does point to some > memory corruption, ->dirties is the very last member of the task struct. > > /me goes try with slab_debug,... to no avail, banging head against the wall what is happening here. Andrew, could you: # mm-dirty-balancing-for-tasks.patch while I try to figure this one out? That seems to make the unhappies I could reproduce here go away. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
