lkml.org 
[lkml]   [2012]   [Aug]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: rcu stalls seen with numasched_v2 patches applied.
From
Date
On Fri, 2012-08-10 at 21:54 +0530, Srikar Dronamraju wrote:

> This change worked well on the 2 node machine
> but on the 8 node machine it hangs with repeated messages
>
> Pid: 60935, comm: numa01 Tainted: G W 3.5.0-numasched_v2_020812+ #4
> Call Trace:
> <IRQ> [<ffffffff810d32e2>] ? rcu_check_callback s+0x632/0x650
> [<ffffffff81061bb8>] ? update_process_times+0x48/0x90
> [<ffffffff810a2a4e>] ? tick_sched_timer+0x6e/0xe0
> [<ffffffff81079c85>] ? __run_hrtimer+0x75/0x1a0
> [<ffffffff810a29e0>] ? tick_setup_sched_timer+0x100/0x100
> [<ffffffff8107a036>] ? hrtimer_interrupt+0xf6/0x250
> [<ffffffff814f1379>] ? smp_apic_timer_interrupt+0x69/0x99
> [<ffffffff814f034a>] ? apic_timer_interrupt+0x6a/0x70
> <EOI> [<ffffffff811082e3>] ? wait_on_page_bit+0x73/0x80
> [<ffffffff814e7992>] ? _raw_spin_lock+0x22/0x30
> [<ffffffff81131bf3>] ? handle_pte_fault+0x1b3/0xca0
> [<ffffffff814e64f7>] ? __schedule+0x2e7/0x710
> [<ffffffff8107a9a8>] ? up_read+0x18/0x30
> [<ffffffff814eb2be>] ? do_page_fault+0x13e/0x460
> [<ffffffff810137ba>] ? __switch_to+0x1aa/0x460
> [<ffffffff814e64f7>] ? __schedule+0x2e7/0x710
> [<ffffffff814e7de5>] ? page_fault+0x25/0x30
> { 3} (t=62998 jiffies)
>

If you run a -tip kernel without the numa patches, does that work?


\
 
 \ /
  Last update: 2012-08-13 10:43    [W:0.070 / U:0.348 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site