On a system where all packages are updated to rawhide 2/24/2006 (udev fixed
from cvs to udev-084-5). This is a x86_64 system.
Booting with kernel-2.6.15-1.1977_FC5 results in no sound, rebooting with
kernel-2.6.15-1.1826.2.14_FC5 (FC5test2 recompiled with 22.214.171.124 patch).
has perfectly functioning sound.
The hardware is hda_intel.
I have checked the loaded modules for both kernels, they are the same EXCEPT
in the column for how many modules are using snd_hda_intel I have 0 for the
new kernel an 3 for the old kernel, despite the fact that snd_hda_intel is
listed as being used. Any ideas?
The actual diff is:
< snd 13
> snd 9
< snd_hda_intel 3
> snd_hda_intel 0
< snd_pcm 4 snd_hda_intel,snd_hda_codec,snd_pcm_oss
> snd_pcm 3 snd_hda_intel,snd_hda_codec,snd_pcm_oss
< snd_timer 3 snd_seq,snd_pcm
> snd_timer 2 snd_seq,snd_pcm
Some more experimentation:
modprobe -r snd_hda_intel
Produces two messages:
kernel: azx_get_response timeout
Message from syslogd@compsci at Fri Feb 24 13:54:20 2006 ...
compsci kernel: general protection fault: 0000  SMP
Issue seen by other people as well. It is just been discussed on the
Created attachment 126450 [details]
log file from sound card detection tool
This is the output of the sound card detection tool.
I can see rhythmbox playing my ogg files but there is no sound coming out of
the speakers nor headphones.
This is discussed in alsa bug #1843 as a regression for 2.6.16. After a long
process it is fixed in the latest alsa-kernel cvs. I just made a patch from
the cvs tree against 2.6.16 FC5 kernel and sound is working fine. This
changes the version to 1.0.11rc3 for alsa-kernel.
PS: The alsa bug talk about laptops but my problem was actually with a
DELL desktop, so it works for all hda-intel problems. At least as
far as hearing something!
Audio is silent here too; a new Dell Precision box, ICH7 chipset, STAC92xx
audio. Added reference to the ALSA bug.
*** Bug 187905 has been marked as a duplicate of this bug. ***
Updating summary, note this is broken in 2.6.16-1.2080_FC5 still too.
Created attachment 127658 [details]
alsa patch for 2.6.16 based FC5 kernel
To fix this for FC5 stable you need to apply the alsa kernel patch from
3/22/2006 since this is 2.6.16 based. I am attaching what I have been
using on 2.6.16-1.2080_FC5 recompiled with 126.96.36.199. The 2.6.17 based
kernels would have this or a later version in already.
*** Bug 189738 has been marked as a duplicate of this bug. ***
*** Bug 190295 has been marked as a duplicate of this bug. ***
FYI, it seems that FC4 with recently updated 2.6.16 kernels suffers from this
bug as well. So I hope for official fix to be released for FC4 as well.
Anything new on this one? I think this should be quite
high priority for Redhat hackers as Dell officially supports
RHEL and current kernel/alsa still doen't work on new Dells.
Works for me on kernel 2.6.17-1.2139_FC5smp
Ditto here since Alsa is updated to rc4 for 2.6.17. I am closing this bug.
Well, not so good for a dell D820.
I'm running 2.6.17-1.2139_FC5smp.
I get the following from dmegs:
snd_pcm: disagrees about version of symbol snd_timer_notify
snd_pcm: Unknown symbol snd_timer_notify
snd_pcm: disagrees about version of symbol snd_timer_interrupt
snd_pcm: Unknown symbol snd_timer_interrupt
snd_pcm: Unknown symbol snd_verbose_printk
snd_pcm: disagrees about version of symbol snd_timer_new
snd_pcm: Unknown symbol snd_timer_new
snd_hda_codec: Unknown symbol snd_pcm_hw_constraint_list
snd_hda_codec: Unknown symbol snd_pcm_hw_constraint_step
snd_hda_codec: Unknown symbol snd_pcm_format_width
snd_hda_intel: Unknown symbol snd_pcm_new
snd_hda_intel: Unknown symbol snd_pcm_limit_hw_rates
snd_hda_intel: Unknown symbol snd_pcm_lib_preallocate_pages_for_all
snd_hda_intel: Unknown symbol snd_hda_bus_new
snd_hda_intel: Unknown symbol snd_hda_build_pcms
snd_hda_intel: Unknown symbol snd_hda_codec_new
snd_hda_intel: Unknown symbol snd_hda_queue_unsol_event
snd_hda_intel: Unknown symbol snd_pcm_lib_malloc_pages
snd_hda_intel: Unknown symbol snd_pcm_lib_ioctl
snd_hda_intel: Unknown symbol snd_pcm_lib_free_pages
snd_hda_intel: Unknown symbol snd_hda_calc_stream_format
snd_hda_intel: Unknown symbol snd_pcm_set_ops
snd_hda_intel: Unknown symbol snd_hda_suspend
snd_hda_intel: Unknown symbol snd_pcm_suspend_all
snd_hda_intel: Unknown symbol snd_hda_resume
snd_hda_intel: Unknown symbol snd_pcm_hw_constraint_integer
snd_hda_intel: Unknown symbol snd_hda_build_controls
snd_hda_intel: Unknown symbol snd_pcm_period_elapsed
[bpm]$ sudo rpm -V kernel-smp-2.6.17-1.2139_FC5
so the kernel is OK.
What I have in the modprobe.conf:
# ALSA portion
alias char-major-116 snd
alias snd-card-0 snd-hda-intel
options snd-card-0 index=0 model=laptop-eapd