On Wed, May 14, 2014 at 12:32:26PM -0400, Sasha Levin wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > On 05/14/2014 12:29 PM, Peter Zijlstra wrote: > > On Mon, May 12, 2014 at 11:42:33AM -0400, Sasha Levin wrote: > >> Hi all, > >> > >> While fuzzing with trinity inside a KVM tools guest running the latest > >> -next kernel I've stumbled on the following spew. Maybe related to the > >> very recent change in freeing on task exit? > >> > >> [ 2509.827261] general protection fault: 0000 [#1] PREEMPT SMP > >> DEBUG_PAGEALLOC [ 2509.830379] Dumping ftrace buffer: [ 2509.830379] > >> (ftrace buffer empty) [ 2509.830379] Modules linked in: [ 2509.830379] > >> CPU: 47 PID: 43306 Comm: trinity-c126 Tainted: G W > >> 3.15.0-rc5-next-20140512-sasha-00019-ga20bc00-dirty #456 > > > > Any particular trinity setup? And would you happen to have the seed of that > > run? > > Nothing special about trinity options. 400 threads and blacklisting some of > the > destructive syscalls (umount, reboot, etc). > > I don't have the seed, but that problem did reproduce again tonight so I can > test > out debug code if you have something in mind.
Nah, I drew a pretty big blank, which is why I wanted to see if I could reproduce. If you could share your trinity cmdline I'd be much obliged. While I did manage to clone (the repo moved since last time) and build it, I'm not really that handy with it and want to avoid destroying my machine if possible ;-)
pgpJY4NKwK_Rx.pgp
Description: PGP signature
