From: Dan Carpenter <dan.carpenter@oracle.com>
To: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: RCU stalls in linux-next
Date: Wed, 14 Mar 2012 09:59:04 +0300 [thread overview]
Message-ID: <20120314065904.GA3220@mwanda> (raw)
In-Reply-To: <20120313143327.GA2349@linux.vnet.ibm.com>
[-- Attachment #1: Type: text/plain, Size: 3738 bytes --]
I get these on my netbook as well if I run it for long enough. I
just read email on that and do the occasional git pull.
regards,
dan carpenter
[ 3906.306118] eth0: no IPv6 routers present
[58395.111474] apt-get used greatest stack depth: 4032 bytes left
[231179.224907] apt-get used greatest stack depth: 3632 bytes left
[491541.321011] INFO: rcu_sched self-detected stall on CPU { 0} (t=60000 jiffies)
[491541.321011] Pid: 576, comm: kswapd0 Not tainted 3.3.0-rc4-next-20120222+ #129
[491541.321011] Call Trace:
[491541.321011] <IRQ> [<ffffffff810ab6ea>] __rcu_pending+0x19a/0x4d0
[491541.321011] [<ffffffff8106b1dc>] ? trigger_load_balance+0x5c/0x2e0
[491541.321011] [<ffffffff810abd50>] rcu_check_callbacks+0xb0/0x1a0
[491541.321011] [<ffffffff81043f73>] update_process_times+0x43/0x80
[491541.321011] [<ffffffff8107e8cf>] tick_sched_timer+0x5f/0xb0
[491541.321011] [<ffffffff81058c58>] __run_hrtimer+0x78/0x1d0
[491541.321011] [<ffffffff8107e870>] ? tick_nohz_handler+0xf0/0xf0
[491541.321011] [<ffffffff8103baa1>] ? __do_softirq+0xf1/0x210
[491541.321011] [<ffffffff81059583>] hrtimer_interrupt+0xe3/0x200
[491541.321011] [<ffffffff8170880c>] ? call_softirq+0x1c/0x30
[491541.321011] [<ffffffff8101f564>] smp_apic_timer_interrupt+0x64/0xa0
[491541.321011] [<ffffffff81707ecb>] apic_timer_interrupt+0x6b/0x70
[491541.321011] <EOI> [<ffffffff810d8203>] ? zone_watermark_ok_safe+0xe3/0x170
[491541.321011] [<ffffffff810e6de8>] balance_pgdat+0x1a8/0x690
[491541.321011] [<ffffffff810e7438>] kswapd+0x168/0x3f0
[491541.321011] [<ffffffff816fea26>] ? __schedule+0x3a6/0x750
[491541.321011] [<ffffffff810553a0>] ? add_wait_queue+0x60/0x60
[491541.321011] [<ffffffff810e72d0>] ? balance_pgdat+0x690/0x690
[491541.321011] [<ffffffff8105496e>] kthread+0x8e/0xa0
[491541.321011] [<ffffffff81708714>] kernel_thread_helper+0x4/0x10
[491541.321011] [<ffffffff810548e0>] ? kthread_freezable_should_stop+0x70/0x70
[491541.321011] [<ffffffff81708710>] ? gs_change+0xb/0xb
[491721.324004] INFO: rcu_sched self-detected stall on CPU { 0} (t=240003 jiffies)
[491721.324004] Pid: 576, comm: kswapd0 Not tainted 3.3.0-rc4-next-20120222+ #129
[491721.324004] Call Trace:
[491721.324004] <IRQ> [<ffffffff810ab6ea>] __rcu_pending+0x19a/0x4d0
[491721.324004] [<ffffffff8106b1dc>] ? trigger_load_balance+0x5c/0x2e0
[491721.324004] [<ffffffff810abd50>] rcu_check_callbacks+0xb0/0x1a0
[491721.324004] [<ffffffff81043f73>] update_process_times+0x43/0x80
[491721.324004] [<ffffffff8107e8cf>] tick_sched_timer+0x5f/0xb0
[491721.324004] [<ffffffff81058c58>] __run_hrtimer+0x78/0x1d0
[491721.324004] [<ffffffff8107e870>] ? tick_nohz_handler+0xf0/0xf0
[491721.324004] [<ffffffff8103baa1>] ? __do_softirq+0xf1/0x210
[491721.324004] [<ffffffff81059583>] hrtimer_interrupt+0xe3/0x200
[491721.324004] [<ffffffff8170880c>] ? call_softirq+0x1c/0x30
[491721.324004] [<ffffffff8101f564>] smp_apic_timer_interrupt+0x64/0xa0
[491721.324004] [<ffffffff81707ecb>] apic_timer_interrupt+0x6b/0x70
[491721.324004] <EOI> [<ffffffff810d812d>] ? zone_watermark_ok_safe+0xd/0x170
[491721.324004] [<ffffffff810e6de8>] balance_pgdat+0x1a8/0x690
[491721.324004] [<ffffffff810e7438>] kswapd+0x168/0x3f0
[491721.324004] [<ffffffff816fea26>] ? __schedule+0x3a6/0x750
[491721.324004] [<ffffffff810553a0>] ? add_wait_queue+0x60/0x60
[491721.324004] [<ffffffff810e72d0>] ? balance_pgdat+0x690/0x690
[491721.324004] [<ffffffff8105496e>] kthread+0x8e/0xa0
[491721.324004] [<ffffffff81708714>] kernel_thread_helper+0x4/0x10
[491721.324004] [<ffffffff810548e0>] ? kthread_freezable_should_stop+0x70/0x70
[491721.324004] [<ffffffff81708710>] ? gs_change+0xb/0xb
[491901.327003] INFO: rcu_sched self-detected stall on CPU { 0} (t=420006 jiffies)
[-- Attachment #2: Digital signature --]
[-- Type: application/pgp-signature, Size: 836 bytes --]
prev parent reply other threads:[~2012-03-14 6:56 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20120313134822.GA5158@elgon.mountain>
2012-03-13 14:33 ` RCU stalls in linux-next Paul E. McKenney
2012-03-14 6:59 ` Dan Carpenter [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20120314065904.GA3220@mwanda \
--to=dan.carpenter@oracle.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=paulmck@linux.vnet.ibm.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).