Hi Janusz, On Mon, Aug 31, 2026 at 11:33:08AM +0200, Janusz Krzysztofik wrote: > CI extreamly sporadically (five times over last six mohths) reported > failures of igt@i915_selftest@live@hangcheck on ARL-S machines. The > selftest was timing out while waiting up to 1 second for a request > supposed to trigger a GPU hang to be started. It occurred possible to > reproduce this issue manually by running the selftest in a loop for a > few hours. > > Among results from 5 occurrences reported by CI so far, and two manual > reproductions, two of them contained messages that suggested a > posssibility of the awaited request to actually start soon after > timeout. With the timeout extended from 1 to 2 seconds, it occurred no > longer possible to trigger the failure, even when running the test in a > loop for 10, then for 12 hours, on the same machine where it was failing > before in 2-3 hours. > > Assume the conditions that prevented the hang requests to start within 1 > second were always transient, and 2 seconds is sufficient for those > requests to start effectively on machines in the CI environment. Fix > the issue by using that value as the timeout. > > Closes: https://gitlab.freedesktop.org/drm/i915/kernel/-/work_items/16624 > Signed-off-by: Janusz Krzysztofik <[email protected]>
reviewed and pushed to drm-intel-gt-next. Thanks, Andi
