[Bug 62848] New: xorg not start after kexec when use nouveau

[Bug 62848] New: xorg not start after kexec when use nouveau

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https://bugs.freedesktop.org/show_bug.cgi?id=62848

          Priority: medium
            Bug ID: 62848
          Assignee: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
           Summary: xorg not start after kexec when use nouveau
        QA Contact: xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.org
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: SuloevDmitry-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
          Hardware: Other
            Status: NEW
           Version: unspecified
         Component: Driver/nouveau
           Product: xorg

I compile linux 3.7.0 on my machine and try boot it using kexec:
1. switch to single mode (rc single);
2. mount /boot parion (mount -oro /boot);
3. load new kernel into memory (kexec -l /boot/kernel-3.7.0 --reuse-cmdline);
4. exec new kernel (kexec -e).
After last command I see how system boots and after starting X I can see only
blank black screen with "_" in top left corner.
I don't have this problem with other drivers. Only with nouveau

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[Bug 62848] xorg not start after kexec when use nouveau

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https://bugs.freedesktop.org/show_bug.cgi?id=62848

--- Comment #1 from Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> ---
What video card do you have? Can you post some logs? [I think it's "well known"
that kexec + nouveau don't work well together, but I don't actually know what
the issues involved are. Might as well use this bug to collect the relevant
info.] I wonder what would happen if you booted with
nouveau.config=NvForcePost=1

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[Bug 62848] xorg not start after kexec when use nouveau

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https://bugs.freedesktop.org/show_bug.cgi?id=62848

--- Comment #2 from Pierre BLONDEAU <pierre.blondeau-PxWOhfqfhmpGWvitb5QawA@public.gmane.org> ---
Hi,

I have the same problem with a GT218M .

The argument nouveau.config=NvForcePost=1 doesn't work, but if i specify
blacklist=nouveau in the cmdline, all is OK.

If i install the nvidia driver, it's ok too.

I use an ubuntu 14.04 with standard package.

Regards

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[Bug 62848] xorg not start after kexec when use nouveau

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https://bugs.freedesktop.org/show_bug.cgi?id=62848

--- Comment #3 from Pierre BLONDEAU <pierre.blondeau-PxWOhfqfhmpGWvitb5QawA@public.gmane.org> ---
Created attachment 104231
  --> https://bugs.freedesktop.org/attachment.cgi?id=104231&action=edit
Second start log

I haven't logs before kexec. It's logs after kexec -e

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[Bug 62848] xorg not start after kexec when use nouveau

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https://bugs.freedesktop.org/show_bug.cgi?id=62848

--- Comment #4 from ridai.govinda-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org ---
I'm still having these same problem with Kernel 4.6.3. Is there a chance to
solve this bug any time in the future?

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[Bug 62848] xorg not start after kexec when use nouveau

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https://bugs.freedesktop.org/show_bug.cgi?id=62848

Martin Peres <martin.peres-GANU6spQydw@public.gmane.org> changed:

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

--- Comment #5 from Martin Peres <martin.peres-GANU6spQydw@public.gmane.org> ---
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been
closed from further activity.

You can subscribe and participate further through the new bug through this link
to our GitLab instance:
https://gitlab.freedesktop.org/xorg/driver/xf86-video-nouveau/issues/42.

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