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panfrost: INSTR_INVALID_ENC error with test app

  • OS: Linux
  • GPU: Mali G52
  • Kernel version 5.10
  • Mesa version: 22.1.2

When running a test application, the kernel will throw the following errors:

[32803.462679] panfrost 13040000.mali: js fault, js=0, status=INSTR_INVALID_ENC, head=0x6136600, tail=0x6136600

[32803.463958] panfrost 13040000.mali: gpu sched timeout, js=0, config=0x7300, status=0x51, head=0x6136600, tail=0x6136600, sched_job=4a32c17f

I ran the test application with the following command line to get relevant debug data:

PAN_MESA_DEBUG="trace","sync" apitrace trace --api egl test_app

Here's the apitrace output as well as the single pandecode that comes out: (This all happens on the first frame):

test_app.txt

test_app.trace

pandecode.dump.0000

As can be seen from the apitrace, the app is using eglCreateImageKHR and there may be bugs in the test app. Regardless, it seems that this may be exposing a real bug in the GPU driver.

Edited by Chris Healy
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