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[BUG] [CNL] IPC timeout during suspend-resume tests #2498

@lyakh

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@lyakh

I've been getting an "IPC timed out" error during my weekly Mantis testing:

[ 7339.996692] [93112] sof-audio-pci 0000:00:1f.3: ipc tx succeeded: 0x80010000
[ 7340.010861] [93112] sof-audio-pci 0000:00:1f.3: FW Poll Status: reg=0x20140000 successful
[ 7340.010874] [93112] sof-audio-pci 0000:00:1f.3: ipc tx: 0x40010000
[ 7340.514720] sof-audio-pci 0000:00:1f.3: error: ipc timed out for 0x40010000 size 76
[ 7340.514724] sof-audio-pci 0000:00:1f.3: info: preventing DSP entering D3 state to preserve context
[ 7340.514732] [93112] sof-audio-pci 0000:00:1f.3: unknown ROM status value ffffffff
[ 7340.514775] sof-audio-pci 0000:00:1f.3: invalid header size 0xffffffff. FW oops is bogus
[ 7340.514779] sof-audio-pci 0000:00:1f.3: error: unexpected fault 0xffffffff trace 0xffffffff
[ 7340.514789] sof-audio-pci 0000:00:1f.3: error: hda irq intsts 0x00000000 intlctl 0xc0000000 rirb 00
[ 7340.514792] sof-audio-pci 0000:00:1f.3: error: dsp irq ppsts 0x00000000 adspis 0x00000000
[ 7340.514799] sof-audio-pci 0000:00:1f.3: error: host status 0x00000000 dsp status 0x00000000 mask 0x00000003
[ 7340.514803] sof-audio-pci 0000:00:1f.3: ctx_save ipc error -110, proceeding with suspend
[ 7340.514906] [93112] sof-audio-pci 0000:00:1f.3: FW Poll Status: reg=0x1010f0f successful
[ 7340.514913] [93112] sof-audio-pci 0000:00:1f.3: FW Poll Status: reg=0xf0f successful
[ 7340.514917] [93112] sof-audio-pci 0000:00:1f.3: DSP core(s) enabled? 0 : core_mask f
[ 7340.514967] [93112] sof-audio-pci 0000:00:1f.3: Debug PCIR: 00000010 at  00000044
[ 7340.515009] [93112] sof-audio-pci 0000:00:1f.3: Current DSP power state: D3

We've had similar issues with different codes or on different platforms: #2334 thesofproject/sof#3541 and it's unclear whether they all have the same cause or not. This specific one triggers during "check-suspend-resume-with-audio.sh -m capture" on "HDA Analog"

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CNLApplies to CannonlakeIPC timeoutIPC timeout observedP2Critical bugs or normal featuresbugSomething isn't working

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