Peng Yong, if you have a bug in Ubuntu, could you please file a new report by
executing the following in a terminal:
ubuntu-bug linux
For more on this, please see the Ubuntu Bug Control and Ubuntu Bug Squad
article:
https://wiki.ubuntu.com/Bugs/BestPractices#X.2BAC8-Reporting.Focus_on_One_Issue
to reproduce the problem, only run following script on any softraid
server:
/usr/share/mdadm/checkarray --cron --all --idle --quiet;
then:
# cat /proc/mdstat
to reproduce the problem, only run following script on any softraid
server:
/usr/share/mdadm/checkarray --cron --all --idle --quiet;
then:
# cat /proc/mdstat
same problem on Ubuntu 12.04. all our server rebuild software raid this
morning.
why this bug is still not fixed?
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Title:
RAID1 data-checks caus
Kari Tuurihalme, I read all comments before taking any actions on
reports.
Despite this, please be advised that closing this report is fully justified as
the original reporter noted he does not have the original hardware nor could he
reproduce the problem on disparate hardware:
https://bugs.laun
Christopher M. Penalver (penalvch): Please check the comments. There is
two comments within 3 months that confirms it still being an issue. I
still have access to the system that had this issue just over a month
ago. Unfortunately it is headless and lynx haves some issue with
launchpad referrer he
Wladimir Mutel, this bug report is being closed due to your last comment
regarding you no longer having access to the hardware. For future
reference you can manage the status of your own bugs by clicking on the
current status in the yellow line and then choosing a new status in the
revealed drop do
Now I don't have access to these boxes where this happened a number of years
ago.
In other setups, I could not reproduce this behaviour.
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Title:
Wladimir Mutel, this bug was reported a while ago and there hasn't been
any activity in it recently. We were wondering if this is still an
issue? Can you try with the latest development release of Ubuntu? ISO CD
images are available from http://cdimage.ubuntu.com/releases/ .
If it remains an issue
Any news? It had caused problem for our another server ance again :(
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Title:
RAID1 data-checks cause CPU soft lockups
To manage notifications abo
Hi.
Just run into this bug using 12.04 Ubuntu and 3.2.0-24-generic kernel.
here is the syslog:
May 6 00:57:02 Vouhaukko2 CRON[10944]: (root) CMD (if [ -x
/usr/share/mdadm/checkarray ] && [ $(date +%d) -le 7 ]; then
/usr/share/mdadm/checkarray --cron --all --idle --quiet; fi)
May 6 00:57:02 V
Any news on this?
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Title:
RAID1 data-checks cause CPU soft lockups
To manage notifications about this bug go to:
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Hi guys,
This bug just took out my production databases. The overhead of raid
check is not trivial, and ruined my raid10 performance on ebs thus
leading to serious mysql performance and thus site performance.
Why is this bug still open? I am going to have to go thru and neuter
this script on all
** Attachment added: "version.log"
http://launchpadlibrarian.net/47120614/version.log
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** Attachment added: "lspci-vvnn.log"
http://launchpadlibrarian.net/47120593/lspci-vvnn.log
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** Attachment added: "dmesg.log"
http://launchpadlibrarian.net/47120517/dmesg.log
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Hi there,
Is there any solution yet for this issue?
I do not see any lockups on the logs, but the system still crashes.
I use OpenVZ kernels on 2 machines with same kernel (2.6.24-27-openvz), same
hardware, both with hardy and both of them are affected.
Every 1st Sunday the systems crash on array
Intented to mark ths as fixed for newer release (lucid) in launchpad but
could not do it.
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Hi,
I have Ubuntu Hardy and the problem is still present.
> cat /proc/version_signature
Ubuntu 2.6.24-19.41-generic
The point is that I don't get any of those messages on system log (BUG:
soft lockup - CPU#0 stuck for 11s!), but seems to be happening indeed,
as every proccess accessing the disk
Is this fixed in Hardy LTS?
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** Changed in: linux (Ubuntu)
Status: Fix Released => Confirmed
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ubuntu
Hi,
this problem still affects Ubuntu 8.04.2LTS systems.
So I think we should also have a fix for 8.04.2 LTS because there is no newer
LTS version available.
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Thanks for the feedback. Lets go ahead and mark this Fixed Released
then.
** Changed in: linux (Ubuntu)
Status: Triaged => Fix Released
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Good news for everyone. As of linux-image-2.6.27-11-generic 2.6.27-11.26 , it
seems that these lockups had gone.
I installed this kernel package on Jan29th, then rebooted the system with new
kernel in the night.
On Feb 1st, the RAID1 checks had passed without lockups on the system where
they we
If anyone is willing, you may want to test the latest pre-release of
Jaunty (currently Alpha3). It contains a 2.6.28 based kernel -
http://cdimage.ubuntu.com/releases/jaunty/ . Thanks.
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
Status: Incomplete => Triaged
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RAID
And so, on Jan 4th, the check was performed on one system now running
under Ubuntu Intrepid, with kernel 2.6.27-9-generic, module ahci,
driving Intel Corporation 82801GR/GH (ICH7 Family) SATA AHCI Controller
(rev 01) (8086:27c1). Lockups were still reported. CPU was stuck for
61s. In the reported s
This same problem causes my server to crash on the first Sunday of every
month. The logs are attached.
Jan 4 01:06:01 grizzly kernel: [2176742.092908] md: data-check of RAID array
md0
Jan 4 01:06:01 grizzly kernel: [2176742.092919] md: minimum _guaranteed_
speed: 1000 KB/sec/disk.
Jan 4 01:
** Attachment added: "lspci-vvnn.log"
http://launchpadlibrarian.net/20909641/lspci-vvnn.log
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** Attachment added: "dmesg.log"
http://launchpadlibrarian.net/20909639/dmesg.log
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Btw, recently I have built another system (mobo ASUS M3N-H/HDMI, CPU
Athlon X2 4450e (2 cores), chipset GeForce 8300, SATA controller
10de:0ad4 rev. a2 (MCP78S AHCI controller) driven by 'ahci', and 2
Samsung HD753LJ SATA2 disks united into mdadm RAID1 array as explained
initially). Its monthly che
Hi,
I experienced the same problems on two identical servers at the same time:
Oct 5 01:06:01 server01 kernel: [472687.165519] md: data-check of RAID array
md0
Oct 5 01:06:01 server01 kernel: [472687.165525] md: minimum _guaranteed_
speed: 1000 KB/sec/disk.
Oct 5 01:06:01 server01 kernel: [4
The Ubuntu Kernel Team is planning to move to the 2.6.27 kernel for the
upcoming Intrepid Ibex 8.10 release. As a result, the kernel team would
appreciate it if you could please test this newer 2.6.27 Ubuntu kernel.
There are one of two ways you should be able to test:
1) If you are comfortable
I have a notebook (Asus Z99Le) where I sometimes test Ubuntu 8.10 but
unfortunately it is not easy to create md-raid1 there as it has only one
HDD. It would be inconvenient to attach one more drive on the same
controller. It runs under ahci driver btw.
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Next ones from my other system with ata_piix driver which does not lock
up on raid check :
** Attachment added: "version.log"
http://launchpadlibrarian.net/17030752/version.log
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** Attachment added: "lspci-vvnn.log"
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The lockups are still there, with 2.6.24-19.
I would note that this is observed with ahci driver.
My other system with ata_piix driver does not show this behaviour (as far as I
could observe running checkarray by hand).
** Attachment added: "version.log"
http://launchpadlibrarian.net/17030618/
Hi Wladimir,
Is this still an issue with the most recent 2.6.24-19 Hardy kernel? If
so, would you be willing to test and confirm this is still an issue with
the latest Alpha for the upcoming Intrepid Ibex 8.10 which contains a
2.6.26 based kernel - http://www.ubuntu.com/testing. Please let us kn
very interested to
hear what you find if you do try building the PIII system.
Regards,
David
>Original Message
>From: [EMAIL PROTECTED]
>Date: 07/04/2008 6:56
>To: <[EMAIL PROTECTED]>
>Subj: [Bug 212684] Re: RAID1 data-checks cause CPU soft lockups
>
>My s
My systems do not froze or stuck. The check is going on with normal speed
(spending about 1 hour for 200 GB, 1.5 hours for 320 GB, and 2.5h for 500GB)
and writes into kernel log about its normal completion. Just these soft lockups
is what bothers me.
Your system may just be old and show some fau
Just to confirm, I've manually run "/usr/share/mdadm/checkarray --all"
on my system manually, result is system lockup at 10.1% of md0
completed.
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I've been having unexplained lockups on my Ubuntu 7.10
(2.6.22-14-server) implementation for some months, the symtom is a
complete crash requiring a power cycle to recover the system: power and
rest buttons on the server don't respond, needs a switch off/on at the
mains. Server is a (don't laugh !)
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