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From: Markus Trippelsdorf <markus-xp2qqqlHh3xzoYq+O6RWwA@public.gmane.org>
To: "Rafael J. Wysocki" <rjw-KKrjLPT3xs0@public.gmane.org>
Cc: Kernel Testers List
	<kernel-testers-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	Linux SCSI List
	<linux-scsi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	Florian Mickler <florian-sVu6HhrpSfRAfugRpC6u6w@public.gmane.org>,
	Network Development
	<netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	Linux PM list <linux-pm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	Linux Wireless List
	<linux-wireless-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	Linux Kernel Mailing List
	<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	DRI <dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>,
	Linux ACPI <linux-acpi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	Andrew Morton
	<akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>,
	Linus Torvalds
	<torvalds-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>,
	Maciej Rutecki
	<maciej.rutecki-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Subject: Re: 3.2-rc6+: Reported regressions from 3.0 and 3.1
Date: Wed, 21 Dec 2011 07:45:37 +0100	[thread overview]
Message-ID: <20111221064537.GD1629@x4> (raw)
In-Reply-To: <201112210039.14100.linux-pm-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org>

On 2011.12.21 at 00:54 +0100, Rafael J. Wysocki wrote:
> Subject    : WARNING: at fs/sysfs/sysfs.h:195 (during boot)
> Submitter  : Markus Trippelsdorf <markus-xp2qqqlHh3xzoYq+O6RWwA-XMD5yJDbdMReXY1tMh2IBg@public.gmane.org>
> Date       : 2011-11-13 19:24
> Message-ID : 20111113192417.GA1659-tLCgZGx+iJ+kxVt8IV0GqQ-XMD5yJDbdMReXY1tMh2IBg@public.gmane.org
> References : http://marc.info/?l=linux-kernel&m=132121231921932&w=2
> 
> Subject    : WARNING: at mm/slub.c:3357, kernel BUG at mm/slub.c:3413
> Submitter  : Markus Trippelsdorf <markus-xp2qqqlHh3xzoYq+O6RWwA-XMD5yJDbdMReXY1tMh2IBg@public.gmane.org>
> Date       : 2011-11-18 7:25
> Message-ID : 20111118072519.GA1615-tLCgZGx+iJ+kxVt8IV0GqQ-XMD5yJDbdMReXY1tMh2IBg@public.gmane.org
> References : http://marc.info/?l=linux-kernel&m=132160119031794&w=2

Both entries were caused by the same Radeon kexec writeback bug. This issue
will hopefully be fixed in the next release.

> Subject    : Impossible high cpu-time values for migration threads
> Submitter  : Markus Trippelsdorf <markus-xp2qqqlHh3xzoYq+O6RWwA-XMD5yJDbdMReXY1tMh2IBg@public.gmane.org>
> Date       : 2011-11-17 22:17
> Message-ID : 20111117221731.GA9229-tLCgZGx+iJ+kxVt8IV0GqQ-XMD5yJDbdMReXY1tMh2IBg@public.gmane.org
> References : http://marc.info/?l=linux-kernel&m=132156832124314&w=2

This is a cosmetic issue, but I'm still seeing this after bursts of high
CPU usage:

 % ps afx -F
UID        PID  PPID  C    SZ   RSS PSR STIME TTY      STAT   TIME CMD
root         2     0  0     0     0   1 Dec20 ?        S      0:00 [kthreadd]
root         3     2  0     0     0   0 Dec20 ?        S      0:01  \_ [ksoftirqd/0]
root         6     2  0     0     0   0 Dec20 ?        S      0:00  \_ [migration/0]
root         7     2  0     0     0   1 Dec20 ?        S      0:00  \_ [migration/1]
root         8     2  0     0     0   1 Dec20 ?        S      0:05  \_ [kworker/1:0]
root         9     2  0     0     0   1 Dec20 ?        S      0:01  \_ [ksoftirqd/1]
root        11     2  0     0     0   2 Dec20 ?        S      0:00  \_ [migration/2]
root        13     2  0     0     0   2 Dec20 ?        S      0:01  \_ [ksoftirqd/2]
root        14     2 22     0     0   3 Dec20 ?        S    192:21  \_ [migration/3]
root        16     2  0     0     0   3 Dec20 ?        S      0:01  \_ [ksoftirqd/3]
root        17     2  0     0     0   2 Dec20 ?        S<     0:00  \_ [khelper]
...

-- 
Markus

WARNING: multiple messages have this Message-ID (diff)
From: Markus Trippelsdorf <markus@trippelsdorf.de>
To: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: Kernel Testers List <kernel-testers@vger.kernel.org>,
	Linux SCSI List <linux-scsi@vger.kernel.org>,
	Florian Mickler <florian@mickler.org>,
	Network Development <netdev@vger.kernel.org>,
	Linux PM list <linux-pm@vger.kernel.org>,
	Linux Wireless List <linux-wireless@vger.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	DRI <dri-devel@lists.freedesktop.org>,
	Linux ACPI <linux-acpi@vger.kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Maciej Rutecki <maciej.rutecki@gmail.com>
Subject: Re: 3.2-rc6+: Reported regressions from 3.0 and 3.1
Date: Wed, 21 Dec 2011 07:45:37 +0100	[thread overview]
Message-ID: <20111221064537.GD1629@x4> (raw)
In-Reply-To: <201112210039.14100.linux-pm-bounces@lists.linux-foundation.org>

On 2011.12.21 at 00:54 +0100, Rafael J. Wysocki wrote:
> Subject    : WARNING: at fs/sysfs/sysfs.h:195 (during boot)
> Submitter  : Markus Trippelsdorf <markus-xp2qqqlHh3xzoYq+O6RWwA@public.gmane.org>
> Date       : 2011-11-13 19:24
> Message-ID : 20111113192417.GA1659-tLCgZGx+iJ+kxVt8IV0GqQ@public.gmane.org
> References : http://marc.info/?l=linux-kernel&m=132121231921932&w=2
> 
> Subject    : WARNING: at mm/slub.c:3357, kernel BUG at mm/slub.c:3413
> Submitter  : Markus Trippelsdorf <markus-xp2qqqlHh3xzoYq+O6RWwA@public.gmane.org>
> Date       : 2011-11-18 7:25
> Message-ID : 20111118072519.GA1615-tLCgZGx+iJ+kxVt8IV0GqQ@public.gmane.org
> References : http://marc.info/?l=linux-kernel&m=132160119031794&w=2

Both entries were caused by the same Radeon kexec writeback bug. This issue
will hopefully be fixed in the next release.

> Subject    : Impossible high cpu-time values for migration threads
> Submitter  : Markus Trippelsdorf <markus-xp2qqqlHh3xzoYq+O6RWwA@public.gmane.org>
> Date       : 2011-11-17 22:17
> Message-ID : 20111117221731.GA9229-tLCgZGx+iJ+kxVt8IV0GqQ@public.gmane.org
> References : http://marc.info/?l=linux-kernel&m=132156832124314&w=2

This is a cosmetic issue, but I'm still seeing this after bursts of high
CPU usage:

 % ps afx -F
UID        PID  PPID  C    SZ   RSS PSR STIME TTY      STAT   TIME CMD
root         2     0  0     0     0   1 Dec20 ?        S      0:00 [kthreadd]
root         3     2  0     0     0   0 Dec20 ?        S      0:01  \_ [ksoftirqd/0]
root         6     2  0     0     0   0 Dec20 ?        S      0:00  \_ [migration/0]
root         7     2  0     0     0   1 Dec20 ?        S      0:00  \_ [migration/1]
root         8     2  0     0     0   1 Dec20 ?        S      0:05  \_ [kworker/1:0]
root         9     2  0     0     0   1 Dec20 ?        S      0:01  \_ [ksoftirqd/1]
root        11     2  0     0     0   2 Dec20 ?        S      0:00  \_ [migration/2]
root        13     2  0     0     0   2 Dec20 ?        S      0:01  \_ [ksoftirqd/2]
root        14     2 22     0     0   3 Dec20 ?        S    192:21  \_ [migration/3]
root        16     2  0     0     0   3 Dec20 ?        S      0:01  \_ [ksoftirqd/3]
root        17     2  0     0     0   2 Dec20 ?        S<     0:00  \_ [khelper]
...

-- 
Markus

  parent reply	other threads:[~2011-12-21  6:45 UTC|newest]

Thread overview: 99+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-08-28 18:22 3.1-rc3-git6: Reported regressions from 3.0 Rafael J. Wysocki
2011-08-28 18:22 ` Rafael J. Wysocki
2011-08-28 18:22 ` Rafael J. Wysocki
2011-08-28 18:22 ` [Bug #41442] rcu_sched_state detected stall on CPU 0, when booting on Xen Rafael J. Wysocki
2011-08-28 18:22   ` Rafael J. Wysocki
2011-08-28 18:30 ` [Bug #41742] duplicate filename for intel_backlight with the i915 driver Rafael J. Wysocki
2011-08-28 18:30   ` Rafael J. Wysocki
2011-08-28 18:30 ` [Bug #41512] 3.1-rc2 failed s2ram: Freezing of tasks failed after 20.00 seconds Rafael J. Wysocki
2011-08-28 18:30   ` Rafael J. Wysocki
2011-08-29  6:30   ` Carlos R. Mafra
2011-08-29  6:30     ` Carlos R. Mafra
     [not found]     ` <20110829063050.GA15560-VVqtEBlnRoHN0uC3ymp8PA@public.gmane.org>
2011-08-29 20:38       ` Rafael J. Wysocki
2011-08-29 20:38         ` Rafael J. Wysocki
     [not found]         ` <201108292238.01713.rjw-KKrjLPT3xs0@public.gmane.org>
2011-09-02 11:23           ` Carlos R. Mafra
2011-09-02 11:23             ` Carlos R. Mafra
2011-08-28 18:30 ` [Bug #41502] cfq-iosched: a regression Rafael J. Wysocki
2011-08-28 18:30   ` Rafael J. Wysocki
2011-08-28 19:35 ` 3.1-rc3-git6: Reported regressions from 3.0 Dave Jones
2011-08-28 19:35   ` Dave Jones
     [not found]   ` <20110828193519.GA14132-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2011-08-28 19:39     ` Rafael J. Wysocki
2011-08-28 19:39       ` Rafael J. Wysocki
2011-08-28 19:49     ` Linus Torvalds
2011-08-28 19:39   ` Rafael J. Wysocki
2011-08-28 19:49   ` Linus Torvalds
2011-08-28 19:49   ` Linus Torvalds
2011-08-28 19:49   ` Linus Torvalds
2011-08-28 19:49   ` Linus Torvalds
2011-08-28 19:49   ` Linus Torvalds
2011-08-28 19:49     ` Linus Torvalds
2011-08-28 19:35 ` Dave Jones
2011-11-21 21:49 ` 3.2-rc2+: Reported regressions from 3.0 and 3.1 Rafael J. Wysocki
2011-11-21 21:49   ` Rafael J. Wysocki
2011-11-21 22:07   ` Linus Torvalds
     [not found]   ` <201111212249.31196.rjw-KKrjLPT3xs0@public.gmane.org>
2011-11-21 22:07     ` Linus Torvalds
2011-11-21 22:07       ` Linus Torvalds
2011-11-21 22:29     ` Alex Deucher
2011-11-21 22:29       ` Alex Deucher
2011-11-21 22:29       ` Alex Deucher
2011-11-21 22:11   ` Linus Torvalds
2011-11-21 22:11   ` Linus Torvalds
2011-11-21 22:34     ` Andy Lutomirski
2011-11-22  7:16       ` Andy Lutomirski
     [not found]       ` <CALCETrUpXrsjBLZsZU3u+y7KCDO0LW55QoBQkBqN_BPFZHsrkw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-11-22  7:16         ` Andy Lutomirski
2011-11-22  7:16           ` Andy Lutomirski
2011-11-21 22:34     ` Andy Lutomirski
2011-11-21 22:18   ` Linus Torvalds
2011-11-21 22:18   ` Linus Torvalds
2011-11-21 22:29     ` Andy Lutomirski
2011-11-21 22:29     ` Andy Lutomirski
     [not found]     ` <CA+55aFygSFt+O5KLoiE_0V+o45eKfsoDDV5ML8EF=J0n9z_D-Q-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-11-28  8:33       ` [PATCH] hugetlb: release pages in the error path of hugetlb_cow() (was: Re: 3.2-rc2+: Reported regressions from 3.0 and 3.1) Michal Hocko
2011-11-28  8:33         ` Michal Hocko
2011-11-28  8:33         ` Michal Hocko
2011-11-28  8:33     ` Michal Hocko
2011-11-21 22:20   ` 3.2-rc2+: Reported regressions from 3.0 and 3.1 Linus Torvalds
2011-11-21 22:20   ` Linus Torvalds
2011-11-21 22:20     ` Linus Torvalds
2011-11-22  5:27     ` Ari Savolainen
2011-11-22  5:27     ` Ari Savolainen
2011-11-21 22:22   ` Linus Torvalds
2011-11-21 22:22     ` Linus Torvalds
2011-11-21 22:22     ` Linus Torvalds
2011-11-23  7:37     ` Rafał Miłecki
     [not found]     ` <CA+55aFyy19VYSdZW0+jNxAb8ix0xpX2j9YFw9oQi3jm3+mDEvw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-11-23  7:37       ` Rafał Miłecki
2011-11-23  7:37         ` Rafał Miłecki
2011-11-21 22:29   ` Alex Deucher
2011-11-22  5:49   ` Srivatsa S. Bhat
2011-11-22  5:49   ` Srivatsa S. Bhat
2011-11-22  5:49     ` Srivatsa S. Bhat
2011-11-22  5:59     ` Andrew Morton
2011-11-22  5:59       ` Andrew Morton
2011-11-22 12:22       ` Andrea Arcangeli
2011-11-22 12:22       ` Andrea Arcangeli
2011-11-22 13:54   ` Konrad Rzeszutek Wilk
2011-11-22 13:54     ` Konrad Rzeszutek Wilk
2011-11-29 18:04     ` Konrad Rzeszutek Wilk
2011-11-29 18:04       ` Konrad Rzeszutek Wilk
2011-11-29 18:04       ` Konrad Rzeszutek Wilk
2011-11-29 18:34       ` Borislav Petkov
2011-11-29 20:08         ` Konrad Rzeszutek Wilk
2011-11-29 20:08           ` Konrad Rzeszutek Wilk
2011-11-30 17:59         ` Konrad Rzeszutek Wilk
2011-11-30 17:59           ` Konrad Rzeszutek Wilk
2011-11-30 17:59           ` Konrad Rzeszutek Wilk
     [not found]           ` <20111130175936.GA15168-6K5HmflnPlqSPmnEAIUT9EEOCMrvLtNR@public.gmane.org>
2011-12-01 11:39             ` Borislav Petkov
2011-12-01 11:39               ` Borislav Petkov
2011-12-01 11:39               ` Borislav Petkov
2011-12-01 14:35               ` Konrad Rzeszutek Wilk
2011-12-01 14:35                 ` Konrad Rzeszutek Wilk
2011-11-22 14:05   ` wireless regressions " John W. Linville
2011-11-21 21:49 ` Rafael J. Wysocki
2011-12-20 23:11 ` 3.2-rc6+: " Rafael J. Wysocki
2011-12-20 23:39 ` Rafael J. Wysocki
     [not found]   ` <201112210039.14100.linux-pm-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org>
2011-12-21  6:45     ` Markus Trippelsdorf [this message]
2011-12-21  6:45       ` Markus Trippelsdorf
2011-12-21  8:18   ` Michel Dänzer
2011-12-21  8:18     ` Michel Dänzer
2011-12-21  8:18     ` Michel Dänzer
     [not found]     ` <1324455480.1807.153.camel-2h6evNeVVYGs1BDpvl8NfQ@public.gmane.org>
2011-12-21 13:57       ` Alex Deucher
2011-12-21 13:57         ` Alex Deucher

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