[Sound-open-firmware] Question about scheduling IPC task vs pipeline task

[Daniel Baluta]

On Tue, Apr 21, 2020 at 11:59 PM Ranjani Sridharan
<ranjani.sridharan at linux.intel.com> wrote:
>
> On Tue, 2020-04-21 at 23:55 +0300, Daniel Baluta wrote:
> > Hi Tomasz,
> >
> > Running aplay I get this timeout, on kernel side:
> >
> > sof-audio-of 3b6e8000.dsp: error: ipc timed out for 0x60040000 size
> > 12
> > This is the command for SOF_IPC_STREAM_TRIG_START.
> Hi Daniel,
>
> Do you have any further logs in dmesg? Usually, timeouts are followed
> by any DSP FW exceptions IIRC.
> Is the DSP still after you see the timeout?

Indeed, it could make sense that DSP has crashed. The infrastructure
for traces when DSP
crashes is not quite implemented on IMX.

Let me try to add something adhoc.

Trace on the kernel side is not very helpful:

   60.140624] sof-audio-of 3b6e8000.dsp: error: ipc timed out for
0x60040000 size 12
[   60.148212] sof-audio-of 3b6e8000.dsp: error: waking up any trace sleepers
[   60.155150]  Port0: ASoC: trigger FE cmd: 1 failed: -110
[   60.155433] sof-audio-of 3b6e8000.dsp: error: trace IO error
[   60.684636] sof-audio-of 3b6e8000.dsp: error: ipc timed out for
0x60050000 size 12
[   60.692227] sof-audio-of 3b6e8000.dsp: error: waking up any trace sleepers
[   60.699154]  Port0: ASoC: trigger FE cmd: 0 failed: -110