* Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote: > On Wed, Oct 09, 2013 at 06:28:01PM +0200, Ingo Molnar wrote: > > > > Hm, so I'm seeing boot crashes with the config attached: > > > > INIT: version 2.86 booting > > BUG: unable to handle kernel BUG: unable to handle kernel paging > > requestpaging request at eaf10f40 > > at eaf10f40 > > IP:IP: [<b103e0ef>] task_work_run+0x52/0x87 > > [<b103e0ef>] task_work_run+0x52/0x87 > > *pde = 3fbf9067 *pde = 3fbf9067 *pte = 3af10060 *pte = 3af10060 > > > > Oops: 0000 [#1] Oops: 0000 [#1] DEBUG_PAGEALLOCDEBUG_PAGEALLOC > > > > CPU: 0 PID: 171 Comm: hostname Tainted: G W > > 3.12.0-rc4-01668-gfd71a04-dirty #229484 > > CPU: 0 PID: 171 Comm: hostname Tainted: G W > > 3.12.0-rc4-01668-gfd71a04-dirty #229484 > > task: eaf157a0 ti: eacf2000 task.ti: eacf2000 > > > > Note that the config does not have NUMA_BALANCING enabled. With another > > config I also had a failed bootup due to the OOM killer kicking in. That > > didn't have NUMA_BALANCING enabled either. > > > > Yet this all started today, after merging the NUMA patches. > > > > Any ideas? > > > CONFIG_MGEODE_LX=y > > It looks like -march=geode generates similar borkage to the > -march=winchip2 like we found earlier today. > > Must be randconfig luck to only hit it now. Yes, very weird but such is life :-) Also note that this reproduces with GCC 4.7 ... Thanks, Ingo -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>