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Fail to load nocodec topology on UP2 #592

@markyang

Description

@markyang

Summary:
Fail to load nocodec topology on UP2. kernel 21947cd on Nov. 16 can work normally.
sof-logger is empty.
ls -l /lib/firmware/intel/

lrwxrwxrwx  1 root root      39 1  29 00:05 sof-apl-nocodec.tplg -> /home/up2/20181119/sof-apl-nocodec.tplg
lrwxrwxrwx  1 root root      29 11 19  2018 sof-apl.ri -> /home/up2/20181119/sof-apl.ri

dmesg:

[    5.927345] sof-audio sof-audio: created machine skl_hda_dsp_generic
[    6.061305] HDMI HDA Codec ehdaudio0D2: Max dais supported: 3
[    6.068121] skl_hda_dsp_generic skl_hda_dsp_generic: info: override FE DAI link iDisp1
[    6.068124] skl_hda_dsp_generic skl_hda_dsp_generic: info: override FE DAI link iDisp2
[    6.068126] skl_hda_dsp_generic skl_hda_dsp_generic: info: override FE DAI link iDisp3
[    6.068206] sof-audio sof-audio: loading topology:intel/sof-hda-generic.tplg
[    6.070404] sof-audio sof-audio: Direct firmware load for intel/sof-hda-generic.tplg failed with error -2
[    6.070410] sof-audio sof-audio: error: tplg intel/sof-hda-generic.tplg load failed with -2
[    6.070473] sof-audio sof-audio: error: failed to load DSP topology -2
[    6.070510] sof-audio sof-audio: ASoC: failed to probe component -2
[    6.070563] skl_hda_dsp_generic skl_hda_dsp_generic: ASoC: failed to instantiate card -2
[    6.070649] skl_hda_dsp_generic: probe of skl_hda_dsp_generic failed with error -2
[    6.171901] systemd-udevd (1432) used greatest stack depth: 11880 bytes left
[    6.820312] IPv6: ADDRCONF(NETDEV_UP): enp2s0: link is not ready
[    6.822504] Generic PHY r8169-200:00: attached PHY driver [Generic PHY] (mii_bus:phy_addr=r8169-200:00, irq=IGNORE)

Test steps:
aplay -l
aplay: device_list:270: no soundcards found...

Test env:
sof master: 977fdd5
sof tool: a01fd66
kernel sof-dev: 38a7c34
tplg: sof-apl-nocodec.tplg-a01fd666

Log:
logger-apl-t.log
dmesg-apl-nocodec.log

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APLApplies to Apollolake platformP1Blocker bugs or important featuresblockedprogress blocked by something else, applies to either feature or bugbugSomething isn't working as expectedverifiedQA/Bug reporter verifies solution worked.

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