| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Date: Thu, 11 Oct 2012 15:14:13 -0700 From: Andrew Morton <akpm@...ux-foundation.org> To: Jiri Slaby <jslaby@...e.cz> Cc: linux-mm@...ck.org, LKML <linux-kernel@...r.kernel.org>, Jiri Slaby <jirislaby@...il.com> Subject: Re: kswapd0: wxcessive CPU usage On Thu, 11 Oct 2012 10:52:28 +0200 Jiri Slaby <jslaby@...e.cz> wrote: > with 3.6.0-next-20121008, kswapd0 is spinning my CPU at 100% for 1 > minute or so. If I try to suspend to RAM, this trace appears: > kswapd0 R running task 0 577 2 0x00000000 > 0000000000000000 00000000000000c0 cccccccccccccccd ffff8801c4146800 > ffff8801c4b15c88 ffffffff8116ee05 0000000000003e32 ffff8801c3a79000 > ffff8801c4b15ca8 ffffffff8116fdf8 ffff8801c480f398 ffff8801c3a79000 > Call Trace: > [<ffffffff8116ee05>] ? put_super+0x25/0x40 > [<ffffffff8116fdd4>] ? grab_super_passive+0x24/0xa0 > [<ffffffff8116ff99>] ? prune_super+0x149/0x1b0 > [<ffffffff81131531>] ? shrink_slab+0xa1/0x2d0 > [<ffffffff8113452d>] ? kswapd+0x66d/0xb60 > [<ffffffff81133ec0>] ? try_to_free_pages+0x180/0x180 > [<ffffffff810a2770>] ? kthread+0xc0/0xd0 > [<ffffffff810a26b0>] ? kthread_create_on_node+0x130/0x130 > [<ffffffff816a6c9c>] ? ret_from_fork+0x7c/0x90 > [<ffffffff810a26b0>] ? kthread_create_on_node+0x130/0x130 Could you please do a sysrq-T a few times while it's spinning, to confirm that this trace is consistently the culprit? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists