[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? >> >> >> @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/ >> >> >> thanks. >> -- >> ~Randy >> -- ~Randy
