[Bug 98383] X server is crashing/eats 100% cpu when turning on monitor

[Bug 98383] X server is crashing/eats 100% cpu when turning on monitor

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https://bugs.freedesktop.org/show_bug.cgi?id=98383

Mariusz Białończyk <manio-RFXG7K41k5GsTnJN9+BGXg@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Assignee|xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.org       |nouveau-PD4FTy7X32lNgt0PjOBp93rCq3LdnpKM@public.gmane.org
                   |                            |rg
           Severity|major                       |critical
            Version|unspecified                 |git
           Priority|medium                      |high
          Component|Server/General              |Driver/nouveau
                 CC|                            |skeggsb-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org

--- Comment #7 from Mariusz Białończyk <manio-RFXG7K41k5GsTnJN9+BGXg@public.gmane.org> ---
Hello again,
Guys, recently I switched to the recent Xorg and nouveau from git.
The 100% cpu problem seems to be gone (at least so far), but the nouveau is
still crashing the xserver.

I still has to apply the following patch:
diff --git a/src/drmmode_display.c b/src/drmmode_display.c
index dd9fa27..a468223 100644
--- a/src/drmmode_display.c
+++ b/src/drmmode_display.c
@@ -1542,7 +1542,7 @@ drmmode_handle_uevents(ScrnInfoPtr scrn)
        if (!dev)
                return;

-       RRGetInfo(xf86ScrnToScreen(scrn), TRUE);
+       //RRGetInfo(xf86ScrnToScreen(scrn), TRUE);
        udev_device_unref(dev);
 }
 #endif

Otherwise - when I turn on the TV on other Xorg instance (with intel driver),
the xorg is crashing. Maybe nouveau is trying to do something wrong with the
randr event on other xorg instance?

It is now over a five months from the time when I reported it. Is it really so
hard to cooperate with me to get rid of this bug? I can try your patches, give
you additional debug information, I have programming skills.

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[Bug 98383] X server is crashing/eats 100% cpu when turning on monitor

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https://bugs.freedesktop.org/show_bug.cgi?id=98383

Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|high                        |medium
           Severity|critical                    |normal

--- Comment #8 from Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> ---
(In reply to Mariusz Białończyk from comment #7)
> It is now over a five months from the time when I reported it. Is it really
> so hard to cooperate with me to get rid of this bug? I can try your patches,
> give you additional debug information, I have programming skills.

A few things to consider:

1. nouveau is largely volunteer-driven. Volunteers tend to do the things that
interest them, not the things that interest non-contributors. (Which means that
the end user may have to persuade that their problem is more worthwhile to work
on, and stomping your foot on the ground isn't the best way to achieve that.)

2. You initially filed the bug against a component that no nouveau developer
monitors

3. If you want to get help figuring this out yourself, you may want to try
#nouveau and #dri-devel on freenode.

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[Bug 98383] X server is crashing/eats 100% cpu when turning on monitor

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https://bugs.freedesktop.org/show_bug.cgi?id=98383

Mariusz Białończyk <manio-RFXG7K41k5GsTnJN9+BGXg@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

--- Comment #9 from Mariusz Białończyk <manio-RFXG7K41k5GsTnJN9+BGXg@public.gmane.org> ---
Fixed with:
https://cgit.freedesktop.org/nouveau/xf86-video-nouveau/commit/?id=e9418e434311336e905b70553a5ed740838d90ad

As for the 100% cpu endless loop - I cannot reproduce it anymore, so maybe it
is now fixed with some other unknown commit, besides it has its own bug report:
https://bugs.freedesktop.org/show_bug.cgi?id=90482, so don't mix it up.

Thank you, Ilia!

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