On Mon, Aug 13, 2012 at 9:49 PM, Maxim Levitsky
wrote:
> On Mon, 2012-08-13 at 18:22 +0200, Sven Joachim wrote:
>> On 2012-08-08 08:18 +0200, Sven Joachim wrote:
>>
>> > On 2012-08-08 08:08 +0200, Ben Skeggs wrote:
>> >
>> >> On Wed, Aug 08, 2012 at 08:00:21AM +0200, Sven Joachim wrote:
>> >>> Not for me on my GeForce 8500 GT, and I still cannot suspend more than
>> >>> once, subsequent attempts fail:
>> >>>
>> >>> ,
>> >>> | Aug 8 07:49:16 turtle kernel: [ 91.697068] nouveau W[
>> >>> | PGRAPH][:01:00.0][0x0200502d][880037be1d40] parent failed
>> >>> | suspend, -16
>> >>> | Aug 8 07:49:16 turtle kernel: [ 91.697078] nouveau [
>> >>> DRM][:01:00.0] resuming display...
>> >>> `
>> >> Interesting. Were there any messages prior to that?
>> >
>> > Nothing interesting:
>> >
>> > ,
>> > | Aug 8 07:49:16 turtle kernel: [ 89.655362] nouveau [
>> > DRM][:01:00.0] suspending fbcon...
>> > | Aug 8 07:49:16 turtle kernel: [ 89.655367] nouveau [
>> > DRM][:01:00.0] suspending display...
>> > | Aug 8 07:49:16 turtle kernel: [ 89.696888] nouveau [
>> > DRM][:01:00.0] unpinning framebuffer(s)...
>> > | Aug 8 07:49:16 turtle kernel: [ 89.696909] nouveau [
>> > DRM][:01:00.0] evicting buffers...
>> > | Aug 8 07:49:16 turtle kernel: [ 89.696913] nouveau [
>> > DRM][:01:00.0] suspending client object trees...
>> > `
>> >
>> >> I guess the the fifo
>> >> code detected a timeout when trying to save the graphics context, I have
>> >> I have other patches in my tree (I'll push them soon, tied up with other
>> >> work atm) that might help here.
>> >
>> > Thanks, I'll try them when they are available.
>>
>> With current nouveau master ("drm/nouveau: fix find/replace bug in
>> license header") suspending works again, thanks! However, it is a bit
>> slow, taking between two and five seconds:
>>
>> ,
>> | Aug 13 18:17:56 turtle kernel: [ 678.524814] PM: Syncing filesystems ...
>> done.
>> | Aug 13 18:18:09 turtle kernel: [ 678.639202] Freezing user space
>> processes ... (elapsed 0.01 seconds) done.
>> | Aug 13 18:18:09 turtle kernel: [ 678.649954] Freezing remaining freezable
>> tasks ... (elapsed 0.01 seconds) done.
>> | Aug 13 18:18:09 turtle kernel: [ 678.663298] Suspending console(s) (use
>> no_console_suspend to debug)
>> | Aug 13 18:18:09 turtle kernel: [ 678.680884] sd 0:0:0:0: [sda]
>> Synchronizing SCSI cache
>> | Aug 13 18:18:09 turtle kernel: [ 678.681000] sd 0:0:0:0: [sda] Stopping
>> disk
>> | Aug 13 18:18:09 turtle kernel: [ 678.695141] parport_pc 00:07: disabled
>> | Aug 13 18:18:09 turtle kernel: [ 678.695204] serial 00:06: disabled
>> | Aug 13 18:18:09 turtle kernel: [ 678.695209] serial 00:06: wake-up
>> capability disabled by ACPI
>> | Aug 13 18:18:09 turtle kernel: [ 678.695235] nouveau [
>> DRM][:01:00.0] suspending fbcon...
>> | Aug 13 18:18:09 turtle kernel: [ 678.695239] nouveau [
>> DRM][:01:00.0] suspending display...
>> | Aug 13 18:18:09 turtle kernel: [ 678.742111] nouveau [
>> DRM][:01:00.0] unpinning framebuffer(s)...
>> | Aug 13 18:18:09 turtle kernel: [ 678.742189] nouveau [
>> DRM][:01:00.0] evicting buffers...
>> | Aug 13 18:18:09 turtle kernel: [ 682.357319] nouveau [
>> DRM][:01:00.0] suspending client object trees...
>> | Aug 13 18:18:09 turtle kernel: [ 683.526646] PM: suspend of devices
>> complete after 4863.181 msecs
>> `
>>
>> With the 3.4.8 kernel, suspending takes little more than one second.
>>
>> Cheers,
>>Sven
> I confirm exactly the same thing.
>
> Here suspend takes more that 10 seconds:
>
> [ 2165.363878] nouveau [ DRM][:01:00.0] suspending fbcon...
> [ 2165.363885] nouveau [ DRM][:01:00.0] suspending display...
> [ 2165.475791] sd 0:0:0:0: [sda] Stopping disk
> [ 2166.396877] nouveau [ DRM][:01:00.0] unpinning
> framebuffer(s)...
> [ 2166.396926] nouveau [ DRM][:01:00.0] evicting buffers...
> [ 2174.809084] nouveau [ DRM][:01:00.0] suspending client
> object trees...
> [ 2177.950222] nouveau :01:00.0: power state changed by ACPI to D3
>
>
> Best regards,
> Maxim Levitsky
>
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In my case suspend also takes longer than usual, in the order of 10 seconds.
@Ben: Have you been able to reproduce this?
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