Kernel is the dmesg from the kernel I run on a daily basis. On 8/16/19, Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> wrote: > Hi Randy, > > On Thu, Aug 15, 2019 at 08:10:03PM -0700, Randy Dunlap wrote: >> [adding mailing lists etc. with Nathaniel's test info] >> >> On 8/15/19 7:21 PM, Nathaniel Russell wrote: >> > Well i surpressed the uvcvideo driver and you are right Randy it >> > definitely is not the uvcvideo driver. There is something going on in >> > the i915 driver. >> > >> > On 8/15/19, Randy Dunlap <rdunlap@xxxxxxxxxxxxx> wrote: >> >> On 8/15/19 6:15 PM, Nathaniel Russell wrote: >> >>> I would really like help with the kernel error with my uvcvideo >> >>> driver. >> >> >> >> Hi again. >> >> >> >> What makes you think that the problem is related to the uvcvideo >> >> driver? >> >> Does some previous kernel version work correctly? If so, what >> >> version(s)? >> >> >> >> >> >> Does this warning message only happen when the uvcvideo driver is >> >> being >> >> loaded? >> >> Can you suppress loading of the uvcvideo driver to find out? >> >> >> >> Most of the problems/errors/warnings that I see are related to the >> >> i915 >> >> driver: >> >> >> >> [ 13.032341] timed out waiting for port C ready: got 0x20, expected >> >> 0xe0 >> >> [ 13.032872] WARNING: CPU: 1 PID: 239 at >> >> drivers/gpu/drm/i915/intel_display.c:1597 >> >> vlv_wait_port_ready+0x99/0xe0 >> >> [i915] >> >> [ 13.033632] RIP: 0010:vlv_wait_port_ready+0x99/0xe0 [i915] >> >> >> >> although there are a few uvcvideo warnings: >> >> [ 13.039305] uvcvideo 1-5:1.0: Entity type for entity Extension 4 was >> >> not >> >> initialized! >> >> [ 13.039318] uvcvideo 1-5:1.0: Entity type for entity Extension 3 was >> >> not >> >> initialized! >> >> [ 13.039330] uvcvideo 1-5:1.0: Entity type for entity Processing 2 >> >> was not >> >> initialized! >> >> [ 13.039339] uvcvideo 1-5:1.0: Entity type for entity Camera 1 was >> >> not >> >> initialized! >> >> >> >> Laurent, do you see any uvc issues here? Any ideas/suggestions? > > No, uvcvideo seems completely reunlated. > >> >> @intel-gfx: any ideas about what is going on here with the i915 >> >> driver? >> >> >> >> Original message to lkml: >> >> https://lore.kernel.org/lkml/CAONH+Jm-O6=DQ+K2n5pNTNMg2Sq1KcVNFLuweVh6W82OPEFJoQ@xxxxxxxxxxxxxx/T/#u >> >> >> >> Previous message for 5.1.21 kernel: >> >> https://lore.kernel.org/lkml/CAONH+JkTFujY9vEyNNuem+9rJ2qBKkf-PbKk9=DBSVEp6kW=yw@xxxxxxxxxxxxxx/ > > -- > Regards, > > Laurent Pinchart >
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