[Bug 110931] New: Timeout initializing Falcon after cold boot - bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ

From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ@public.gmane.org
To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Subject: [Bug 110931] New: Timeout initializing Falcon after cold boot
Date: Tue, 18 Jun 2019 00:42:38 +0000	[thread overview]
Message-ID: <bug-110931-8800@http.bugs.freedesktop.org/> (raw)

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https://bugs.freedesktop.org/show_bug.cgi?id=110931

            Bug ID: 110931
           Summary: Timeout initializing Falcon after cold boot
           Product: xorg
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
          Assignee: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
          Reporter: taranov.andrey-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
        QA Contact: xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.org

Created attachment 144579
  --> https://bugs.freedesktop.org/attachment.cgi?id=144579&action=edit
Failing kernel log

I've got a fairly recent Dell/Alienware GTX 1080. It fails on
initializing/resetting the Falcon during boot, and is not usable by Xorg
subsequently. See *-bad.log attachments.

Workaround: boot into Windows, and reboot into Linux. Everything works fine
after that. See *-good.log attachments.

Initialization timeout happens in acr_ls_sec2_post_run(), in
ls_ucode_msgqueue.c. The corresponding Xorg driver error message is "Failed to
initialise context object: 2D_NVC0 (0)"

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