Re: mm: BUG: Bad rss-counter state

2014-01-22 Thread Sasha Levin
On 01/22/2014 09:21 PM, Dave Jones wrote: On Wed, Jan 22, 2014 at 09:16:03PM -0500, Sasha Levin wrote: > On 01/22/2014 08:52 PM, Dave Jones wrote: > > Sasha, is this the current git tree version of Trinity ? > > (I'm wondering if yesterdays munmap changes might be tickling this bug). >

Re: mm: BUG: Bad rss-counter state

2014-01-22 Thread Dave Jones
On Wed, Jan 22, 2014 at 09:16:03PM -0500, Sasha Levin wrote: > On 01/22/2014 08:52 PM, Dave Jones wrote: > > Sasha, is this the current git tree version of Trinity ? > > (I'm wondering if yesterdays munmap changes might be tickling this bug). > > Ah yes, my tree has the munmap patch from yest

Re: mm: BUG: Bad rss-counter state

2014-01-22 Thread Sasha Levin
On 01/22/2014 08:52 PM, Dave Jones wrote: Sasha, is this the current git tree version of Trinity ? (I'm wondering if yesterdays munmap changes might be tickling this bug). Ah yes, my tree has the munmap patch from yesterday, which would explain why we started seeing this issue just now. Thank

Re: mm: BUG: Bad rss-counter state

2014-01-22 Thread Sasha Levin
On 01/22/2014 08:39 PM, David Rientjes wrote: On Wed, 22 Jan 2014, Sasha Levin wrote: Hi all, While fuzzing with trinity running inside a KVM tools guest using latest -next kernel, I've stumbled on a "mm: BUG: Bad rss-counter state" error which was pretty non-obvious in the mi

Re: mm: BUG: Bad rss-counter state

2014-01-22 Thread Dave Jones
On Wed, Jan 22, 2014 at 05:39:25PM -0800, David Rientjes wrote: > > While fuzzing with trinity running inside a KVM tools guest using latest > > -next > > kernel, > > I've stumbled on a "mm: BUG: Bad rss-counter state" error which was pretty > &

Re: mm: BUG: Bad rss-counter state

2014-01-22 Thread David Rientjes
On Wed, 22 Jan 2014, Sasha Levin wrote: > Hi all, > > While fuzzing with trinity running inside a KVM tools guest using latest -next > kernel, > I've stumbled on a "mm: BUG: Bad rss-counter state" error which was pretty > non-obvious > in the mix of the kern

mm: BUG: Bad rss-counter state

2014-01-22 Thread Sasha Levin
Hi all, While fuzzing with trinity running inside a KVM tools guest using latest -next kernel, I've stumbled on a "mm: BUG: Bad rss-counter state" error which was pretty non-obvious in the mix of the kernel spew (why?). I've added a small BUG() after the printk() in check_