https://bugs.freedesktop.org/show_bug.cgi?id=40334
Summary: Kernel-BUG on resume from suspen-to-ram with NV
GeForce Go 7600
Product: xorg
Version: git
Platform: x86 (IA32)
OS/Version: Linux (All)
Status: NEW
Severity: normal
Priority: medium
Component: Driver/nouveau
AssignedTo: [email protected]
ReportedBy: [email protected]
QAContact: [email protected]
Created an attachment (id=50515)
--> (https://bugs.freedesktop.org/attachment.cgi?id=50515)
Dmesg of a suspend-resume-cycle with "drm.debug=0x2 log_buf_len=1M"
On Tue, 23 Aug 2011 15:28:45 +0100, Erwin Rieger <[email protected]> wrote:
> Hello,
>
> i'am trying to get suspend/resume working on a (old) asus A7T notebook
> (NV GeForce Go 7600 GPU).
>
> Suspend is OK, laptop goes to sleep and power-led is blinking.
>
> Upon resume, the laptop and backlight are starting, but there is no
> screen output (blank/black screen).
>
> After some (stuck-) time i'am able to ssh to it and it seems to be working
> okay - apart from the blank screen.
>
> Dmesg shows some "soft lockup, CPU stuck" errors, related to nouveau-drm
> (i think), see attached dmesg-output.
>
> There is no X11 involved (yet) - pure framebuffer-console.
>
> Kernel is from freedesktop-git, version "3.1.0-rc2+ #8 SMP Tue Aug 23
> 08:14:54 UTC 2011".
>
> Should this old hardware work / is it supported by current nouveau?
>
> If more info/logs is needed - please let me know.
Hi Erwin,
Afaik nouveau is supported on your hardware, thus please feel free to open
a bug report [1]. As otherwise your email may/will get lost in the ML
Please note that resolving it may take some time due to shortage of
manpower
In your case something wrong is happening in the TMDS initialization script
thus your blank display
Can you append "drm.debug=0x2 log_buf_len=1M" to your kernel command line
and attach to your bug report
1. Your dmesg output
2. Your vbios [2]
Thanks
Emil
[1] http://nouveau.freedesktop.org/wiki/Bugs
[2] http://nouveau.freedesktop.org/wiki/DumpingVideoBios
>
> Thanks
>
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