From: Mike Galbraith <umgwanakikbuti@gmail.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: mingo@kernel.org, oleg@redhat.com, torvalds@linux-foundation.org,
tglx@linutronix.de, ilya.dryomov@inktank.com,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 00/11] nested sleeps, fixes and debug infrastructure
Date: Thu, 25 Sep 2014 11:56:59 +0200 [thread overview]
Message-ID: <1411639019.15810.31.camel@marge.simpson.net> (raw)
In-Reply-To: <20140925091556.GB5430@worktop>
On Thu, 2014-09-25 at 11:15 +0200, Peter Zijlstra wrote:
> I suppose just flipping the scheudle() and try_to_freeze() should do the
> trick. Ugly code that, but then again, I think audit is known for that.
>
> Can you give that a go?
Yeah, seems that fixed that one.
And thanks to my clever ratelimiting, printk() no longer goes gaga as it
emits this one.. forever. This boot is gonna take a while too :)
[ 53.951297] BUG: sleeping function called from invalid context at drivers/cpufreq/cpufreq.c:370
[ 54.044733] in_atomic(): 1, irqs_disabled(): 0, pid: 2676, name: modprobe
[ 54.120213] CPU: 42 PID: 2676 Comm: modprobe Tainted: G E 3.17.0-default #5
[ 54.212540] Hardware name: Hewlett-Packard ProLiant DL980 G7, BIOS P66 07/07/2010
[ 54.294917] 0000000000000000 ffff880273f83838 ffffffff815b2ff2 ffff880273f83848
[ 54.377182] ffffffff8108d156 ffff880273f83878 ffffffff8108d1d8 ffff88026e71e600
[ 54.459679] ffff880273f83898 ffff88026e71e748 ffff88026e71e744 ffff880273f838f8
[ 54.542107] Call Trace:
[ 54.573965] [<ffffffff815b2ff2>] dump_stack+0x72/0x88
[ 54.635104] [<ffffffff8108d156>] ___might_sleep+0xd6/0x110
[ 54.700956] [<ffffffff8108d1d8>] __might_sleep+0x48/0xd0
[ 54.765821] [<ffffffff8146c1d5>] cpufreq_freq_transition_begin+0x75/0x140
[ 54.842571] [<ffffffffa0548523>] pcc_cpufreq_target+0x63/0x208 [pcc_cpufreq]
[ 54.923403] [<ffffffff810dec5f>] ? update_ts_time_stats+0x7f/0xb0
[ 54.996678] [<ffffffff8146c725>] __cpufreq_driver_target+0x85/0x170
[ 55.067871] [<ffffffff8146ed98>] od_check_cpu+0xa8/0xb0
[ 55.126035] [<ffffffff8146f7c0>] dbs_check_cpu+0x180/0x1d0
[ 55.191425] [<ffffffff8146fbc0>] cpufreq_governor_dbs+0x3b0/0x720
[ 55.259809] [<ffffffff8146f493>] od_cpufreq_governor_dbs+0x33/0xe0
[ 55.329556] [<ffffffff81469cb9>] __cpufreq_governor+0xa9/0x210
[ 55.396925] [<ffffffff8146a892>] cpufreq_set_policy+0x1e2/0x2e0
[ 55.462852] [<ffffffff8146afac>] cpufreq_init_policy+0x8c/0x110
[ 55.462854] [<ffffffff8146d270>] ? cpufreq_update_policy+0x1b0/0x1b0
[ 55.462857] [<ffffffff8146cf96>] __cpufreq_add_dev+0x596/0x6b0
[ 55.462859] [<ffffffffa054d608>] ? pcc_cpufreq_probe+0x4b4/0x4b4 [pcc_cpufreq]
[ 55.462861] [<ffffffff8146d0be>] cpufreq_add_dev+0xe/0x10
[ 55.462863] [<ffffffff8140eef1>] subsys_interface_register+0xc1/0xf0
[ 55.462865] [<ffffffff8146bcb7>] cpufreq_register_driver+0x117/0x2a0
[ 55.462868] [<ffffffffa054d65d>] pcc_cpufreq_init+0x55/0x9f8 [pcc_cpufreq]
[ 55.462870] [<ffffffffa054d608>] ? pcc_cpufreq_probe+0x4b4/0x4b4 [pcc_cpufreq]
[ 55.462873] [<ffffffff81000298>] do_one_initcall+0xc8/0x1f0
[ 55.462875] [<ffffffff811a581d>] ? __vunmap+0x9d/0x100
[ 55.462877] [<ffffffff810e9680>] do_init_module+0x30/0x1b0
[ 55.462878] [<ffffffff810ebaaa>] load_module+0x67a/0x700
[ 55.462879] [<ffffffff810e9800>] ? do_init_module+0x1b0/0x1b0
[ 55.462881] [<ffffffff810ebcdb>] SyS_init_module+0x9b/0xc0
[ 55.462883] [<ffffffff815b86a9>] system_call_fastpath+0x16/0x1b
[ 55.463467] BUG: sleeping function called from invalid context at drivers/cpufreq/cpufreq.c:370
[ 55.463468] in_atomic(): 1, irqs_disabled(): 0, pid: 2676, name: modprobe
[ 55.463469] CPU: 42 PID: 2676 Comm: modprobe Tainted: G
next prev parent reply other threads:[~2014-09-25 9:57 UTC|newest]
Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-24 8:18 [PATCH 00/11] nested sleeps, fixes and debug infrastructure Peter Zijlstra
2014-09-24 8:18 ` [PATCH 01/11] locking/mutex: Dont assume TASK_RUNNING Peter Zijlstra
2014-10-28 11:09 ` [tip:sched/core] locking/mutex: Don't " tip-bot for Peter Zijlstra
2014-09-24 8:18 ` [PATCH 02/11] wait: Provide infrastructure to deal with nested blocking Peter Zijlstra
2014-09-29 21:02 ` Oleg Nesterov
2014-10-02 7:37 ` Peter Zijlstra
2014-10-02 21:21 ` Oleg Nesterov
2014-10-28 11:09 ` [tip:sched/core] sched/wait: " tip-bot for Peter Zijlstra
2014-09-24 8:18 ` [PATCH 03/11] wait: Add might_sleep() Peter Zijlstra
2014-10-28 11:09 ` [tip:sched/core] sched/wait: Add might_sleep() checks tip-bot for Peter Zijlstra
2014-09-24 8:18 ` [PATCH 04/11] exit: Deal with nested sleeps Peter Zijlstra
2014-10-28 11:10 ` [tip:sched/core] sched, " tip-bot for Peter Zijlstra
2014-09-24 8:18 ` [PATCH 05/11] inotify: " Peter Zijlstra
2014-10-28 11:10 ` [tip:sched/core] sched, " tip-bot for Peter Zijlstra
2014-09-24 8:18 ` [PATCH 06/11] tty: " Peter Zijlstra
2014-10-28 11:10 ` [tip:sched/core] sched, " tip-bot for Peter Zijlstra
2014-09-24 8:18 ` [PATCH 07/11] smp: Correctly deal " Peter Zijlstra
2014-10-28 11:11 ` [tip:sched/core] sched, " tip-bot for Peter Zijlstra
2014-09-24 8:18 ` [PATCH 08/11] module: Fix nested sleep Peter Zijlstra
2014-09-29 22:18 ` Oleg Nesterov
2014-09-30 13:43 ` Peter Zijlstra
2014-10-28 11:11 ` [tip:sched/core] sched, modules: Fix nested sleep in add_unformed_module() tip-bot for Peter Zijlstra
2014-09-24 8:18 ` [PATCH 09/11] net: Clean up sk_wait_event() vs might_sleep() Peter Zijlstra
2014-09-24 8:36 ` Peter Zijlstra
2014-10-28 11:11 ` [tip:sched/core] sched, net: Clean up sk_wait_event() vs. might_sleep() tip-bot for Peter Zijlstra
2014-09-24 8:18 ` [PATCH 10/11] sched: Debug nested sleeps Peter Zijlstra
2014-09-29 22:13 ` Oleg Nesterov
2014-09-30 13:49 ` Peter Zijlstra
2014-09-30 21:47 ` Oleg Nesterov
2014-10-01 16:10 ` Peter Zijlstra
2014-10-01 18:35 ` Oleg Nesterov
2014-10-02 9:07 ` Peter Zijlstra
2014-10-02 21:34 ` Oleg Nesterov
2014-10-28 11:11 ` [tip:sched/core] " tip-bot for Peter Zijlstra
2014-09-24 8:18 ` [PATCH 11/11] sched: Exclude cond_resched() from nested sleep test Peter Zijlstra
2014-10-28 11:12 ` [tip:sched/core] " tip-bot for Peter Zijlstra
2014-09-25 8:30 ` [PATCH 00/11] nested sleeps, fixes and debug infrastructure Mike Galbraith
2014-09-25 9:06 ` Peter Zijlstra
2014-09-25 9:10 ` Mike Galbraith
2014-09-25 9:15 ` Peter Zijlstra
2014-09-25 9:56 ` Mike Galbraith [this message]
2014-09-25 13:59 ` BUG: sleeping function called from invalid context at drivers/cpufreq/cpufreq.c:370 Mike Galbraith
2014-09-26 6:24 ` Mike Galbraith
2014-09-26 7:54 ` Mike Galbraith
2014-09-26 14:10 ` Rafael J. Wysocki
2014-09-26 22:44 ` Rafael J. Wysocki
2014-09-27 6:14 ` Mike Galbraith
2014-09-27 19:57 ` Rafael J. Wysocki
2014-10-02 10:22 ` [PATCH 00/11] nested sleeps, fixes and debug infrastructure Peter Zijlstra
2014-10-02 12:15 ` Peter Zijlstra
2014-10-27 13:41 ` Peter Zijlstra
2014-10-28 0:07 ` Oleg Nesterov
2014-10-28 8:23 ` Peter Zijlstra
2014-10-29 0:00 ` Oleg Nesterov
2014-10-29 9:35 ` Peter Zijlstra
2014-10-29 11:31 ` Peter Zijlstra
2014-10-29 11:36 ` Peter Zijlstra
2014-10-29 14:26 ` Peter Zijlstra
2014-11-04 16:08 ` [tip:sched/core] audit, sched/wait: Fixup kauditd_thread() wait loop tip-bot for Peter Zijlstra
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=1411639019.15810.31.camel@marge.simpson.net \
--to=umgwanakikbuti@gmail.com \
--cc=ilya.dryomov@inktank.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@kernel.org \
--cc=oleg@redhat.com \
--cc=peterz@infradead.org \
--cc=tglx@linutronix.de \
--cc=torvalds@linux-foundation.org \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.