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Title:
ata exception and hang when booting, at T=n.81606 s
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** Changed in: linux (Ubuntu)
Hi, I can confirm this bug running 2.6.38-10 from natty proposed, but
with 2.6.38-9 it does not.
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Title:
ata exception and hang when booting, at
please read my comment here, maybe this is related?
https://bugs.launchpad.net/ubuntu/+bug/550559/comments/41
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Title:
ata exception and hang when
** Changed in: linux
Importance: Unknown = Medium
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Title:
ata exception and hang when booting, at T=n.81606 s
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I have an ASUS motherboard and there is the SATA configuration in the
BIOS. I have changed the SATA controller mode to RAID mode (there is IDE
and SATA mode). I have done this, and it worked, even with one drive.
The BIOS does not give many details about this...
[0.942521] ahci :00:11.0:
Installed the last kernel via update, and problem seems to be gone... didn't
show up for 4 days now...
Used to show up at least once every 2 days.
Linux my-desktop 2.6.32-22-generic #36-Ubuntu SMP Thu Jun 3 22:02:19 UTC
2010 i686 GNU/Linux
I'll keep testing this...
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ata exception and hang
If this can be of any help, many users have reported the problem is
fixed by applying this patch to the kernel:
http://marc.info/?l=linux-idem=122724081603679w=2
If anyone wants to try it, a kernel is available on my PPA:
https://launchpad.net/~voria/+archive/ppa
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ata exception and hang
Fortunato, interesting. Do you have any references to these user
reports?
I don't think I saw so much of this issue with the 2.6.32 kernels, so
testing your 2.6.32 kernel might not be so conclusive. Now with the
2.6.34 and especially 2.6.35-rc (drm-next) I see it a lot. So it would
be great if
It is for sure some sort of kernel bug and/or deficiency, because
- a process should not get blocked for several minutes or more because
of an SCSI/ATA controller or HDD I/O error, no matter what the
controller or HDD does (or doesn't do), it should get I/O error /
timeout
- md RAID other than
I really don't think this is hardware related.
I just ran ESTOOL utility on my drive and did extensive tests. The drive is
pristine.
I am sure some die hard bug in the kernel is causing this.
This whole thing started 3 months after Karmic Koala release...
I may try a stock kernel since we may
One more thing, is there a way to disable NCQ on the system?
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ata exception and hang when booting, at T=n.81606 s
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I have the same problem on 10.04. Happens on two drives and only happens
frequently when syncing a RAID array. It can happen almost once a
minute. Otherwise during normal operation it only happens a couple of
times a day.
I'm going to replace both drives tomorrow.
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ata exception and hang when
I also had the ata ... frozen symptom on system with AMD SB700/SB800 controler
with 2.6.26, 2.6.30 and 2.6.32. Comparing on similar systems, it seems (could
be)
that it occurs more often with distinct hard drives or under distinct
circumstances (?).
You may want to try some of following (step
Problem vanished for a day, but back again.
Strangely, when in SATA mode, it gives errors reported in this post.
When in AHCI mode, it gives errors reported in this bug:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/285892
[ 1550.84] ata3.00: exception Emask 0x0 SAct 0x1 SErr 0x0
Ok, I am doing an experiment. So far it worked... I went to BIOS and
changed from SATA mode, to AHCI mode. My BIOS is an ASUS Bios, M3A78-EM.
There is SATA Configuration entry right in the first BIOS screen. Then
it gives you three modes:
SATA
RAID
AHCI
It was on SATA all this time, and I have
Problem persists in Lucid. Random 30 second lock ups and resuming...
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ata exception and hang when booting, at T=n.81606 s
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freeze is not related to ext3 or ext4 filesystem,
the filesystem of my laptop is an ext3, and still freeze,
hopefully with a cd in the cdreaderh freezes stops. but anyone know why...
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ata exception and hang when booting, at T=n.81606 s
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Freezes still continue... occasionally... every 4 hours...
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Just so you know, optical media in my drive DOES NOT stop this bug.
Occasional freezes occurs... same 30 second hd-led lit... I am going to
try replacing hdparm for the true wrapper. Hope it works. Can't wait for
Lucid Lynx now.,,
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ata exception and hang when booting, at T=n.81606 s
Jeremy, I haven't seen this hang for quite a while, but I think this is
due to the reordering of startup scripts, and not because the real
problem has been solved. So it will be difficult for me to verify if
another kernel is better.
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ata exception and hang when booting, at T=n.81606 s
update:
i've made a Bios-Update, changed the Harddrive, and set up a new ubuntu 9.10
with ext3. Haven't seen the problem since then...
i will post again, if the freezes occur again...
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ata exception and hang when booting, at T=n.81606 s
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You received
I want to join the team and say that this bug is ANNOYING the hell out
of me.
It's like the original poster said: The computer halts for 30 seconds
and the HD led goes lit, after that it resumes normal operation. I tried
the CD-ROM workaround but it doesn't work. Right after when I issue
dmesg,
Hi all,
this my first time reporting bugs, so sorry if i do stomething wrong
it seems that i am affected by this bug:
Ubuntu 9.10, ext4
Mar 18 01:15:46 htpc kernel: [ 6796.065007] ata4.00: exception Emask 0x0 SAct
0x0 SErr 0x0 action 0x6 frozen
Mar 18 01:15:46 htpc kernel: [ 6796.065019]
Hi Tormod,
If you could also please test the latest upstream kernel available that
would be great. It will allow additional upstream developers to examine
the issue. Refer to https://wiki.ubuntu.com/KernelMainlineBuilds .
Once you've tested the upstream kernel, please remove the 'needs-
upgraded to Linux version 2.6.31-20-generic.
Freezes ATA continues.
Workaround with inserted CD continues.
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ata exception and hang when booting, at T=n.81606 s
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freezes continues
a very stupid possible solution is to leave a CD in the CD reader: seems to
works, no freezes occurs after.
I saw this idea on another post on the same issue.
but why? does this information doesn't give any clues to developers?
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ata exception and hang when booting, at
with today's last update the laptop is not more experiencing HD freezes,
maybe a temporary good combination between kernel and other modules.
Anyway NO kernel update as occoured since last bugs, only other modules updates.
hope still stable...
linux 2.6.31-9-rt
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ata exception and hang when
I tried with nohdparm: is catastrofic as without,
no changes, the bug is always there.
see also https://bugs.launchpad.net/ubuntu/+source/linux/+bug/279693
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ata exception and hang when booting, at T=n.81606 s
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Related to #422994 ?
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/422994
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ata exception and hang when booting, at T=n.81606 s
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Upgrade didn't solve the issue. Before opening a bug I'm seaching for
something related to my laptop ACER, why not a HW but? (Not a HDD issue
because I already changed HDD)
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ata exception and hang when booting, at T=n.81606 s
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You received this bug
From my laptop BIOS I can set only few parameter one of this is the SATA
mode between 'ahci' and 'sata'.
In both cases I get the error but dmsg log contains more with 'ahci' I
get the log you see above, with sata mode I get less few messeges, just
the frozen message and the reconfiguration
Hi, got te same problem setting 'nohdparam' doesn't bring any benefit.
GPU is Radeon, with fglrx hdd seams to freeze more often, without fglrx
no cpu freq and fan is always on.
With the first installation of Ubuntu 9.04 IK didn't se the issue, so if
it was present it hapened very rarely. It got
xamul, since you are spelling nohdparm wrong, your testing can not be
conclusive. The best would be if you use the hdparm wrapper so we can
see that the option takes effect.
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ata exception and hang when booting, at T=n.81606 s
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Tormod, sorry, you are right there is a spelling problem.
This is the grub (/boot/grub/grub.cfg) line:
linux /boot/vmlinuz-2.6.31-14-generic
root=UUID=e00ced67-7065-4fbf-8ec5-5485650ca4a5 ro nohdparm
Is it the correct option to set? I'm trying hdparm wrapper and will soon post
the log.
Next
Just rebooted with wrapper and got the same issue:
[ 141.804095] ata1.00: exception Emask 0x0 SAct 0x10 SErr 0x0 action 0x6 frozen
[ 141.804109] ata1.00: cmd 60/08:20:60:8d:22/00:00:28:00:00/40 tag 4 ncq 4096
in
[ 141.804111] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4
I tried nohdparm and I got the same issue too.
Any idea?
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xamul, it is interesting that you see this without hdparm and without
the radeon.ko module. I think you should file a separate bug report,
because I am not sure it is the exact same issue. You have a SATA disk
and some additional error messages. Please just mention your bug number
(like bug
, if you tell me (I'm a
newby) I'll try as soon as I can.
Thanks
Messaggio originale
Da:
bugpost.tor...@gmail.com
Data: 01/11/2009 12.48
A: marco.caro...@libero.it
Ogg: [Bug 397096] Re: ata exception and hang when booting, at T=n.81606 s
Marco and Mikael, does the issue go away if you
Marco, you can boot with the nohdparm boot option. And please use the
web interface to post comments instead of mail.
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Tormod, there was a change in behaviour to the better, recently, after either
kernel or startscript updates, so I never filed a new bug. I thought all was
well. Suddenly i got the freeze again the other day. Will check with and
without hdparm again and with your wrapper.
I have a Mobility
This problem also affect me, it happened with Ubuntu 9.10 beta, RC, Final and
even Xubuntu 9.10.
LiveCD works but load in 15 min and can complete installation, but on reboot
only a blank screen and the hdd red light flashing.
When using recovery mode shows errors as in the image attached.
HD
Marco and Mikael, does the issue go away if you disable hdparm? Do you
also have a radeon GPU?
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I have seen this when resuming from hibernation as well. Unfortunately
the timestamps in the hdparm.log are then difficult to compare to the
timestamps in dmesg. I therefore added a sysrq to the wrapper, so you
will find SysRq : Show Regs in dmesg when hpparm is run. So the
coincidences should be
Mikael, what is happening there at 67s? Like 5 acpid power events. And 3
at 129s. Definitely something wrong. hdparm -B 254 is being set all the
time, but never the -B 128 which would happen if AC was disconnected.
Can you please file a new bug, since that is a separate issue? Attach
your
Tormod, OK I will file a new bug. Thanks.
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Tormod, In any case, without hdparm, no symptoms for over 18 hours. Left
the laptop on overnight just to see. Normally the locking and freezing
would have occured regularly for me, with a period of something like 10
minutes, maybe less.
Suspend/resume shouldn't have been involved, since I was
** Attachment added: hdparm.log
http://launchpadlibrarian.net/33412421/hdparm.log
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Running with wrapped hdparm alters the bahaviour slightly, no longer freezes
allt the time.
Here is one log with three frozen. Generated with dmesg | grep ata together
with the accompanying hdparm.log
** Attachment added: grep_ata_dmesg.log
Tormod.
I'll try your tip and see what happens.
In the meantime I can add some observations: Alongside with the freeze entry in
the log there are allways these entries for me:
[ 159.816518] ata1: drained 134 bytes to clear DRQ.
[ 159.816557] ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0
Tormod,
Running without hdparm. No freeze for 1 hour and 46 minutes. Will try a little
loggin with your wrapper.
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Mikael, hdparm is mainly run during booting, suspend/resume,
(un)plugging of AC adapter. If you have crashes at other times, it is
probably not caused by hdparm.
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Just attaching my hdparm wrapper script here for myself and others.
** Attachment added: wrapper for hdparm, logs to /dev/.initramfs/hdparm.log
http://launchpadlibrarian.net/33325329/hdparm.wrapper
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ata exception and hang when booting, at T=n.81606 s
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I have recently, with Karmic Koala Beta, experienced strange behaviour
with my acer travelmate 800, with a [0.986327] ata1.00: ATA-8: SAMSUNG
HM160HC, LQ100-10, max UDMA/100
Error ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen
shows up in the log.
After having worked for a
I have *way* less of my issues after cleaning up all the hdparm calls
during boot. The mishmash of acpi-support, gnome-power-manager,
devicekit, laptop-mode-tools, pm-utils etc bombards the hard drive with
hdparm calls. I have filed some bug and patches for some of these
packages (bug 437796, bug
** Changed in: linux
Status: Unknown = Confirmed
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** Bug watch added: Linux Kernel Bug Tracker #14171
http://bugzilla.kernel.org/show_bug.cgi?id=14171
** Also affects: linux via
http://bugzilla.kernel.org/show_bug.cgi?id=14171
Importance: Unknown
Status: Unknown
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ata exception and hang when booting, at T=n.81606 s
** Summary changed:
- ata exception and hang when booting
+ ata exception and hang when booting, at T=n.81606 s
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I have tried the pdflush parameters but it does not help. I verified
that the sysctl settings are applied before it hangs.
This drives me mad. Now I wonder why the sub-second part of the times is
always the same. Are these exceptions probed for only every full second?
The different full-seconds
Many reboots later and I am not wiser. There must be something polling
every second (using the kernel timer as reference) which interferes and
causes the hang. Attaching another dmesg log, with many modules
blacklisted.
** Attachment added: dmesg2.txt
qwerty, thanks for the hint. However I have a PATA disk, and it gets
stuck during boot which should not be write-heavy...
I have now inserted sleep 7 before and after launching gdm, and it
helps. If it gets stuck now, it is a bit earlier, during module loading,
typically the last message I see is
The original report didn't mention it, but my disk freezing also started
during boot time, the disk got frozen one or more times (30 seconds each
time).
I had this problem since Ubuntu 8.04 (previous releases were Ok).
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ata exception and hang when booting
I had the same problem (SATA disk freezing), and I solved it by tunning
the pdflush parameters ...
https://bugs.launchpad.net/ubuntu/+bug/270794/comments/12
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ata exception and hang when booting
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Sometimes it continues booting after a 30 s pause but sometimes it just
hangs and I have to use sysctrl-B. I have tried netconsole to see what
goes on in this case. There are ata1: SRST failed errors, before I get
end_request: I/O error.
** Attachment added: netconsole.log
** Attachment added: smartctl.txt
http://launchpadlibrarian.net/30387503/smartctl.txt
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smartctl short and long tests show no errors.
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I also moved away /etc/readahead/desktop, but it does not help. Most
often it hangs before X has started, I still see the _ cursor in the
upper left corner. A few times X has started so I see the mouse pointer.
One thing that seems to help is to use ctrl-S and ctrl-Q during boot to
slow down
I tried libata.force=udma/66 which did not help, but from the below I am
not sure it was correctly set anyway:
[1.702986] ata1.00: ATA-8: SAMSUNG HM160HC, LQ100-10, max UDMA/100
[1.702990] ata1.00: 312581808 sectors, multi 16: LBA48
[1.703006] ata1.00: applying bridge limits
[
Now I have a sleep 7 script before and after /etc/rc2.d/gdm and that
works.
When I look through the syslogs, the exception always happen between
[ 90.066878] tg3 :06:06.0: firmware: requesting tigon/tg3_tso5.bin
and
[ 128.062549] tg3 :06:06.0: wake-up capability disabled by ACPI
[
I notice that both the tg3 and the radeon modules reports PCI INT A -
GSI 16 (level, low) - IRQ 16. Could it be an interrupt conflict? There
is of course the case when I have blacklisted tg3, but other modules (?)
also reports this, like HDA Intel and uhci_hcd.
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ata exception and hang when
It seems like nolapic makes it stable. I have removed the sleep 7
stuff and reinstated /etc/readahead/desktop.
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No, nolapic does not work everytime neither.
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Neither does noapic, acpi=noirq, acpi_irq_nobalance, acpi_irq_balance.
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** Attachment added: syslog includes two last boots and a sysrq trace
http://launchpadlibrarian.net/28815376/syslog.hangs.txt
** Attachment added: BootDmesg.txt
http://launchpadlibrarian.net/28815377/BootDmesg.txt
** Attachment added: CurrentDmesg.txt
Forgot to say I have been seeing this for a while (several releases) but
it is worse now. I don't know if it is because I now use ext4 or radeon
KMS, or 2.6.31.
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Funny how this exception happens at the exact same time (except the
first one, maybe it did a fsck at that boot):
$ grep frozen syslog.hangs.txt
Jul 7 22:16:53 acer-tormod kernel: [ 117.816060] ata1.00: exception Emask 0x0
SAct 0x0 SErr 0x0 action 0x6 frozen
Jul 7 23:15:05 acer-tormod
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