Re: mm: lockup on mmap_sem

2012-12-31 Thread Hillf Danton
On Tue, Jan 1, 2013 at 1:55 AM, Sasha Levin wrote: > Hi all, > > While fuzzing with trinity inside a KVM tools guest, running latest -next > kernel, > I've stumbled on the following hang: > > [ 7204.030178] INFO: task khugepaged:3257 blocked for more than 120 seconds. > [ 7204.031043] "echo 0 >

Re: mm: lockup on mmap_sem

2012-12-31 Thread Hillf Danton
On Tue, Jan 1, 2013 at 1:55 AM, Sasha Levin sasha.le...@oracle.com wrote: Hi all, While fuzzing with trinity inside a KVM tools guest, running latest -next kernel, I've stumbled on the following hang: [ 7204.030178] INFO: task khugepaged:3257 blocked for more than 120 seconds. [