*** This bug is a duplicate of bug 212271 ***
https://bugs.launchpad.net/bugs/212271
This bug was fixed in the package linux-ubuntu-modules-2.6.24 -
2.6.24-16.23
---
linux-ubuntu-modules-2.6.24 (2.6.24-16.23) hardy; urgency=low
[Amit Kucheria]
* Poulsbo: Update to latest DRM
*** This bug is a duplicate of bug 212271 ***
https://bugs.launchpad.net/bugs/212271
Stefan's patched version of LUM worked for my pcHDTV 5500 card. No
oops, no hangs, no long waits on boot. Sound works finally, with no
humming or buzzing. Great work!
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Hardy: cx88 NULL pointer dereferenc
*** This bug is a duplicate of bug 212271 ***
https://bugs.launchpad.net/bugs/212271
** This bug has been marked a duplicate of bug 212271
2.6.24-15-generic: saa7134-alsa makes HAL to fail
--
Hardy: cx88 NULL pointer dereference
https://bugs.launchpad.net/bugs/212960
You received this bug
I haven't chimed in before, but I just wanted to confirm that latest lum
from stefan's PPA fixes this bug for me as well.
--
Hardy: cx88 NULL pointer dereference
https://bugs.launchpad.net/bugs/212960
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I can confirm the patch works with both sound and video.
Had the HAL problem with saa7134.
I too installed linux-ubuntu-modules-2.6.24-16-generic_2.6.24-16.23ubuntu2,
from http://ppa.launchpad.net/stefan-bader-canonical/ubuntu/ and it also works
here. For the first time in hardy perfect recogni
Fixed the build process to include ALSA headers and ALSA config.
** Changed in: linux-ubuntu-modules-2.6.24 (Ubuntu)
Assignee: Tim Gardner (timg-tpi) => Stefan Bader (stefan-bader-canonical)
Status: In Progress => Fix Committed
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Hardy: cx88 NULL pointer dereference
https://bugs.lau
Also, I'm not seeing the "HAL failed" dialog on X startup anymore
either. Seems this fixed that too!
:-Dustin
--
Hardy: cx88 NULL pointer dereference
https://bugs.launchpad.net/bugs/212960
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Stefan's latest PPA version, however, works:
Package: linux-ubuntu-modules-2.6.24-16-generic
Installed-Size: 17320
Architecture: amd64
Version: 2.6.24-16.23ubuntu2
Size: 4902008
MD5sum: 7283e849e20f3169135efa1084562fac
cx88 loads on boot without any null pointer exceptions. Boot happens
very fas
It was an oops with Tim's last PPA version.
--
Hardy: cx88 NULL pointer dereference
https://bugs.launchpad.net/bugs/212960
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@Dustin
what was the outcome with Tim's version. An oops or hang?
--
Hardy: cx88 NULL pointer dereference
https://bugs.launchpad.net/bugs/212960
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On Sun, 2008-04-13 at 15:29 +, Tim Gardner wrote:
> Note that this test version comes from my PPA:
> https://launchpad.net/~timg-tpi/+archive
Tim-
Tried yours too... No luck. Syslog available, if you want it.
:-Dustin
** Attachment added: "unnamed"
http://launchpadlibrarian.net/134336
Stefan-
I tried your PPA, modules; no luck.
syslog attached.
:-Dustin
** Attachment added: "syslog"
http://launchpadlibrarian.net/13433358/syslog
--
Hardy: cx88 NULL pointer dereference
https://bugs.launchpad.net/bugs/212960
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Hi Frank,
the change I would like to try has to do with the way lum is build. We
have an updated version of the ALSA driver but the cx88 sound module was
not build with these headers. We already had another cse where this lead
to corruption because a driver used a layout of ALSA struct that did no
Hi Stefan,
for me I think I can say relatively sure that it is a locking problem of the
list data structures. I added printouts to to point where the list is modified.
Putting the mutex around all spots with list modification helped for me:
+
+ mutex_lock(®ister_mutex);
list_add(&d
There might be a different solution. Could someone please try the lum modules
from:
https://launchpad.net/~stefan-bader-canonical/+archive
Maybe the corruption is not a locking problem, but one of a mismatch of
structures.
--
Hardy: cx88 NULL pointer dereference
https://bugs.launchpad.net/bugs/
Your wget source leads to a 404 for my system as
http://launchpadlibrarian.net/13408199/linux-ubuntu-modules-2.6.24-16-generic_2.6.24-16.23ubuntu1_x86_64.deb
does not exist.
Used
http://ppa.launchpad.net/timg-tpi/ubuntu/pool/main/l/linux-ubuntu-modules-2.6.24/linux-ubuntu-modules-2.6.24-16-generi
** Attachment added: "the test version using HVR-1300"
http://launchpadlibrarian.net/13410881/dmesg_23a.txt
--
Hardy: cx88 NULL pointer dereference
https://bugs.launchpad.net/bugs/212960
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** Attachment added: "dmesg from test version unsing WIN TV-FM"
http://launchpadlibrarian.net/13410898/dmesg_23b.txt
--
Hardy: cx88 NULL pointer dereference
https://bugs.launchpad.net/bugs/212960
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** Attachment added: "output from lsmod | grep cx88"
http://launchpadlibrarian.net/13410917/cx88_23.txt
--
Hardy: cx88 NULL pointer dereference
https://bugs.launchpad.net/bugs/212960
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** Attachment added: "output from lspci"
http://launchpadlibrarian.net/13410926/lspci_23.txt
--
Hardy: cx88 NULL pointer dereference
https://bugs.launchpad.net/bugs/212960
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ubuntu-bu
** Changed in: linux-ubuntu-modules-2.6.24 (Ubuntu)
Status: Triaged => In Progress
** Changed in: alsa-driver (Ubuntu)
Status: New => Invalid
--
Hardy: cx88 NULL pointer dereference
https://bugs.launchpad.net/bugs/212960
You received this bug notification because you are a member o
Note that this test version comes from my PPA: https://launchpad.net
/~timg-tpi/+archive
--
Hardy: cx88 NULL pointer dereference
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Can someone try a test version of LUM with Frank's patch?
wget
http://launchpadlibrarian.net/13408199/linux-ubuntu-modules-2.6.24-16-generic_2.6.24-16.23ubuntu1_`uname
-m`.deb
sudo dpkg -i linux-ubuntu-modules-2.6.24-16-generic_2.6.24-16.23ubuntu1_`uname
-m`.deb
sudo reboot
I don't think this
syslog attached.
** Attachment added: "/var/log/syslog"
http://launchpadlibrarian.net/13368207/syslog
--
Hardy: cx88 NULL pointer dereference
https://bugs.launchpad.net/bugs/212960
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Tried the 2.6.24-16 kernel, still has a a null pointer dereference.
** Changed in: linux-ubuntu-modules-2.6.24 (Ubuntu)
Status: Fix Committed => Triaged
--
Hardy: cx88 NULL pointer dereference
https://bugs.launchpad.net/bugs/212960
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Frank,
Thanks for the pointers! That's similar to what I did, but I am sure I
made a mistake somewhere. I'll try it soon. Thanks
--
Hardy: cx88 NULL pointer dereference
https://bugs.launchpad.net/bugs/212960
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Hi Juan,
I had some trouble before I found a way to patch the module. First I thought
that I could compile the modules in the kernel tree, but I figured out that
Ubuntu seems to build the alsa-modules separately. I tried the official way
with make-kpkg for building those modules, but I failed.
Hey Frank,
I believe I patched my alsa kernel module, compiled, and installed it.
But it's not fixing the issue for me. I am not sure if I did the process
correctly. How did you get your system patched up?? Thanks in advance!
--
Hardy: cx88 NULL pointer dereference
https://bugs.launchpad.net/bug
I just tried out the modified patch and it still works fine for me. I am
looking forward seeing the new kernel having this issue resolved.
Thanks.
--
Hardy: cx88 NULL pointer dereference
https://bugs.launchpad.net/bugs/212960
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B
http://kernel.ubuntu.com/git?p=ubuntu/ubuntu-hardy-
lum.git;a=commit;h=607ab6f78fa5d51b4dab72d218455a858c499c6f
** Changed in: linux-ubuntu-modules-2.6.24 (Ubuntu)
Assignee: Ubuntu Kernel Team (ubuntu-kernel-team) => Tim Gardner (timg-tpi)
Status: Triaged => Fix Committed
Target
Daniel, I assume you meant the corresponding fixes for
snd_device_disconnect() were missing as it looks like Frank already had
the fixes for snd_device_free() incorporated. I'm attaching an updated
patch. I also added two additional mutex_unlock() calls in
snd_device_register() that were missing
** Also affects: linux-ubuntu-modules-2.6.24 (Ubuntu)
Importance: Undecided
Status: New
** Changed in: linux-ubuntu-modules-2.6.24 (Ubuntu)
Importance: Undecided => High
Assignee: (unassigned) => Ubuntu Kernel Team (ubuntu-kernel-team)
Status: New => Triaged
--
Hardy: cx
You need corresponding fixes in snd_device_free(). Good catch!
--
Hardy: cx88 NULL pointer dereference
https://bugs.launchpad.net/bugs/212960
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I would be happy if someone could take my patch, and show it to the
appropriate persons so that the problem can get fixed quickly. The patch
is against the latest linux git, but the problem it is in the Ubuntu
alsa-driver package too.
--
Hardy: cx88 NULL pointer dereference
https://bugs.launchpad
The NULL pointer access is happening when accessing the list in
snd_device_new(). Adding a mutex when modifing the list is fixing this
problem.
** Attachment added: "Patch to fix this problem"
http://launchpadlibrarian.net/13181893/debug-cx88-problem.patch
--
Hardy: cx88 NULL pointer derefer
[EMAIL PROTECTED]:~$ lsb_release -rd
Description:Ubuntu hardy (development branch)
Release:8.04
The system this occurs on I already described here:
https://bugs.launchpad.net/ubuntu/+bug/212226
--
Hardy: cx88 NULL pointer dereference
https://bugs.launchpad.net/bugs/212960
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