No sound after resuming from hibernation

[Peng Deng]

Feisty Beta, on Thinkpad T43 2668 71U, Kernel: 2.6.20-12

After resuming from hibernation, there is no sound in the system, although during the process of resuming, the speaker beeped once.

Even after reboot, sound still doesn't work. Have to shutdown the laptop and re-start it.

[Peng Deng (d6g)]

Now I'm with kernel 2.6.20-13, this problem is still there.

[Frank Petzold (petzold+ubuntu)]

Confirmed on ThinkPar R50p, kernel 2.6.20-13-generic. Here also, a complete power-off is required to get sound back. Not even Windows can get it back on without a power-off.

[Luka Renko (lure)]

Changed package - this is more likely issue in kernel.

Can you check if headphones work and the issue is only with speakers? This would be very similar as bug 94036.

[Peng Deng (d6g)]

I'm using external speakers, so it means it affects not only the
internal speakers. (I also test it with headphone, same result.)

On 3/29/07, Luka Renko <email address hidden> wrote:
> Changed package - this is more likely issue in kernel.
>
> Can you check if headphones work and the issue is only with speakers?
> This would be very similar as bug 94036.
>
> ** Changed in: linux-source-2.6.20 (Ubuntu)
> Sourcepackagename: acpi-support => linux-source-2.6.20
>
> --
> No sound after resuming from hibernation
> https://launchpad.net/bugs/96230
>

[Peter Whittaker (pwwnow)]

There are a number of bugs with similar symptoms, no sound after resume: bug #96230, bug #21574, bug# 94036. Noting them here in case they are related.

[Ben Collins (ben-collins)]

A bug cannot be confirmed when there's no information provided that shows the bug occurring.

This bug needs dmesg output, and lspci -vvn output (attach, do not paste into comment).

[MeneM (maas-mark)]

Here you go. Attached the desired logs. And can confirm the problem on my T43 as well.

[MeneM (maas-mark)]

Dear ower of the bug, may we know why it has been rejected? Has it been solved? Is there no real incentive to fix it? Do you need more info?

[Peng Deng (d6g)]

I upgraded kernel to 2.6.20-14, and I don't see any fix.

I also attach the outputs of dmesg and lspci.

[cofeineSunshine (cofeinesunshine)]

confirm on IBM t41.
Seems like sound is muted, but volume controls are on 100%.

One interesting symptom: when I plug in ac adapter, i hear PC beep and sound from xmms(or other audio app). But for 1sec.
I think, the problem is with controlling sound levels.

[angel1127 (huxiaoping1127)]

i have updated to -14,but it also .....

[Peter Whittaker (pwwnow)]

Marked as confirmed based on attachment of requested dmesh and lspci information.

[cofeineSunshine (cofeinesunshine)]

to get sound back I need to execute #shutdown -h now command. Otherwise(reboot or by reset) it doesn't recover.
ibm t41 with -12 and -14 kernels(2.6.20)

[Peng Deng (d6g)]

Now feisty has been released and the current kernel image is 2.6.20-15, problem still stays unsolved

[Peng Deng (d6g)]

Accidentally, I suspended my machine after a hibernation which leads to a no sound state as before, then after I waked it up, the sound came back.

[bennybobw (bennybobw)]

I also have this problem on an IBM Thinkpad T41. Reboot into Linux or Windows does not work, but complete powerdown does. Attached are dmesg and lscpi output (after reboot).

[bennybobw (bennybobw)]

My dmesg output (after reboot not after powerdown).

[scottm (scott-bmit)]

Here's an interesting twist: I can confirm the loss of sound after resuming from hibernation. Also, when I have power management set to "do nothing" or "blank screen" with lid closing, the screen will not resume. I have to press ctrl-alt f1 and then ctrl-alt f7 to get back to gnome. However, after resuming from a hibernation and sound breaking, the screen resumes just fine after closing and opening the lid. Any ideas?

[scottm (scott-bmit)]

The above confirmation is on the T41.

[Jörn Reimerdes (jrei)]

confirm on Thinkpad z60m

I tried to fix this with unloading sound modules, but it didn't help.
I upgraded my edgy to feisty. So I don't know if the error exists on new installed systems.

If I saw it right there are some additional sound modules loaded after hibernate.

sb_lib
uart401
sound
snd_cs46xx
snd_ac97_codec
ac97_bus
gameport
sound_firmware

These modules were not loaded during a start of the system and the sound worked. After hibernation they were loaded and sound didn't work.
Unloading these modules didn't help.

[s133pl355 (cushingreggie)]

also confirmed with feisty on t41p.
After hibernation no sound is present although applications such as amarok still play media but no sound is output, it seems to be muted. A full shutdown is needed to restore sound

[André Rüdiger (andreruediger-deactivatedaccount)]

I can also confirm this on my T42p running feisty. Only powerdown does help. When I reboot into Windows I still have no sound.

FWIW today I noticed something strange: When I plug in/out the AC the computer does a beep. While the beep is played (ca 1 sec) the sound works.

I hope this could give someone a clue of what is happening.

Thanks,

André

[Steven Shiau (stevenshiau)]

I also confirmed with feisty on IBM T23 laptop.
After hibernation no sound is present.
Xmms still can play media but no sound is output, it just like it's muted. A full shutdown is needed to restore sound.

[csd (csd)]

in the file /etc/default/acpi-support changing HIBERNATE_MODE=shutdown to HIBERNATE_MODE=platform helped solve the problem for me on an IBM T42 laptop.

I don't know what is the auxillary effect of this change. Devs please comment.

[Francois Rigaut (francois.rigaut)]

Thanks for the shutdown -> platform tip. That solved the "no sound after hibernation" problem for me.
using feisty on a T60.

[MeneM (maas-mark)]

Ditto on this T43!

Thank you!

On 5/26/07, Francois Rigaut <email address hidden> wrote:
>
> *** This bug is a duplicate of bug 80893 ***
> https://bugs.launchpad.net/bugs/80893
>
> Thanks for the shutdown -> platform tip. That solved the "no sound after
> hibernation" problem for me.
> using feisty on a T60.
>
> --
> No sound after resuming from hibernation
> https://bugs.launchpad.net/bugs/96230
> You received this bug notification because you are a direct subscriber
> of the bug.
>

--
http://maas-martin.nl/blog

[Thomas Coffee (tcoffee)]

can confirm on Thinkpad R60 running feisty

no sound after waking from hibernation or suspend in internal or external speakers

not solved by reboot, but solved by powerdown

[karlseith (karlseith)]

The fix proposed by CSD worked for me. I am using Ubuntu 7.04 on a Gateway Model No. 6510GZ. THANK YOU THANK YOU THANK YOU!

[NoWhereMan (e.vacchi) (uncommonnonsense)]

"platform" means you use acpi to hibernate, so, is "shutdown" a software emulation? in this case this would be a kernel bug, correct?

[Federico Feraboli (feraboli)]

Thinkpad T41 type 2374-3HG

feisty fawn
Linux firepad 2.6.20-16-generic #2 SMP Thu Jun 7 20:19:32 UTC 2007 i686 GNU/Linux

Lost sound after hibernation. Restarting the machine does not help.

Workaround (shutdown -h now) works fine.

Thanks!

[Launchpad Janitor (janitor)]

Beginning with the Hardy Heron 8.04 development cycle, all open Ubuntu kernel bugs need to be reported against the "linux" kernel package. We are automatically migrating this bug to the new "linux" package. However, development has already began for the upcoming Intrepid Ibex 8.10 release. It would be helpful if you could test the upcoming release and verify if this is still an issue - http://www.ubuntu.com/testing . If the issue still exists, please update this report by changing the Status of the "linux" task from "Incomplete" to "New". We appreciate your patience and understanding as we make this transition. Thanks!