I had the same issue right through lucid development. Adding the nohwcrypt
option fixed it for me too.
Thanks for getting to the bottom of this Lucious and psyke83... it destroyed my
wifi on lucid for a long time!
Toshiba A100-259
uname -a
Linux nigel-laptop 2.6.32-22-generic #36-Ubuntu SMP
@Daniel,
That package wasn't installed.
Am now tracking lucid(2.6.32-2-generic and libasound2 1.0.21a-1ubuntu1)
If I remove the line in alsa-base.conf the looping behaviour reliably appears
after a short while.
The dmesg shows:
[84644.363779] HDA Intel :00:14.2: PCI INT A disabled
Using Seagate FreeAgent Go 500Gb drive, unable to perform sustained data
transfer.
Can confirm this issue is still in Karmic:
Linux nigel-laptop 2.6.31-9-generic #29-Ubuntu SMP Sun Aug 30 17:39:23 UTC 2009
i686 GNU/Linux
As mentioned above, this:
echo 1024 /sys/block/sdb/device/max_sectors
the newer 2.6.31-3.14
Ubuntu Karmic kernel, it was recently rebased with the upsted 2.6.31-rc3
kernel. If the issue does manifest itself, could you capture and attach
your full dmesg output? Thanks.
** Changed in: linux (Ubuntu)
Status: Triaged = Incomplete
--
Nigel Pugh
Canonical
ok, I was too optimistic... the looping/repeating still happens.
Every few boots, or after using sound for about 5 minutes the looping
returns. reboot required to recover.
--
[karmic]snd_hda_intel: audio moves to polling mode and starts repeating
(Toshiba A100-259/ATI IXP SB4x0 HD/ALC861)
I may have a fix... it appears this laptop needs this in /etc/modprobe.d
/alsa-base.conf
# Power down HDA controllers after 10 idle seconds
options snd-hda-intel power_save=10 probe_mask=8 enable_msi=1 model=auto
lets see how it goes!
--
[karmic]snd_hda_intel: audio moves to polling mode and
using kernel from apw:
Linux nigel-laptop 2.6.31-1-generic #13apw3 SMP Fri Jun 26 12:23:36 UTC
2009 i686 GNU/Linux
Jun 29 09:54:44 nigel-laptop kernel: [ 57.930523] ata1: hard resetting link
Jun 29 09:54:44 nigel-laptop kernel: [ 58.360087] ata1: SATA link up 1.5 Gbps
(SStatus 113 SControl
further update: Mainline kernel
uname -a
Linux nigel-laptop 2.6.30-020630-generic #020630 SMP Wed Jun 10 09:45:40 UTC
2009 i686 GNU/Linux
Unable to get this behaviour with mainline kernel; however the sound is still
misbehaving badly (actually worse).
(see
Thanks for the suggestion!
Ok, tried that option and the sound looping/repeating starts immediately
at login.
These lines now in the dmesg at boot:
[ 46.152017] hda_intel: No response from codec, disabling MSI: last
cmd=0x001f0500
[ 46.152086] hda-intel: IRQ timing workaround is activated
Apologies, there was one more (possibly relevant) dmesg line I missed from my
previous comment:
[ 11.165206] HDA Intel :00:14.2: irq 24 for MSI/MSI-X
A random thought occurred; I know very little about this sort of thing
and so this is possibly a complete red herring:
[1.832519]
Public bug reported:
Bug observed on karmic alpha-2: related to snd_hda_intel module
uname -a:
Linux nigel-laptop 2.6.30-8-generic #9-Ubuntu SMP Wed Jun 3 15:23:55 UTC 2009
i686 GNU/Linux
Laptop is a Toshiba A100-259 with Realtek ALC861 HD Audio on an ATI
chipset (Radeon Xpress 200M)
lspci
** Attachment added: AlsaDevices.txt
http://launchpadlibrarian.net/28247647/AlsaDevices.txt
** Attachment added: AplayDevices.txt
http://launchpadlibrarian.net/28247649/AplayDevices.txt
** Attachment added: ArecordDevices.txt
http://launchpadlibrarian.net/28247650/ArecordDevices.txt
OK, an update.
Now running Karmic alpha-2 from a clean install.
uname -a:
Linux nigel-laptop 2.6.30-8-generic #9-Ubuntu SMP Wed Jun 3 15:23:55 UTC 2009
i686 GNU/Linux
Periodically get this in the dmesg, but doesn't seem to affect the
functionality much; seems to recover just fine:
[
OK, so with 2.6.28-12-generic #43-Ubuntu the SATA issue was less
obvious, but it turned out could still manifest under heavy disk access
load. Further I continued experiencing unpredictable lockups/freezes
with the flashing caps-lock.
I've now tried a mainline kernel:
Linux nigel-laptop
** Attachment added: BootDmesg.txt
http://launchpadlibrarian.net/27416210/BootDmesg.txt
** Attachment added: CurrentDmesg.txt
http://launchpadlibrarian.net/27416211/CurrentDmesg.txt
** Attachment added: Dependencies.txt
http://launchpadlibrarian.net/27416212/Dependencies.txt
**
Public bug reported:
Running 9.04... all updates applied.
The problem manifests during sustained downloads from the internet, e.g.
downloading an Ubuntu CD image, or running a large update with update-
manager. The result is that the disk goes read-only without warning,
and the trace included
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