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Re: System freezes after update to Jessie 8.4



	Hi.

On Mon, Apr 04, 2016 at 11:11:15AM +0000, Joerg Desch wrote:
> I have an extremely hard problem after upgrading Debian Jessie from 8.3 
> to 8.4 today. The system is a Dell Vostro with an AMD/ATI Turks PRO 
> [Radeon HD 7570]. The free radeon driver is used for X. Desktop is GNOME3. 
> The resolution is 25560x1440. I've used this resolution for about 3-4 
> weeks now.
> 
> After the upgrade (and a restart), the system freezes from one second to 
> the other. It seems to be independent from the used application.
> 
> As a work-around, I'm running GNOME classic now. Without the EGL 
> features, the desktop is running now. Currently I avoid using Firefox, 
> because I don't know if the renderer uses EGL.
> 
> Can someone help?

This is a known problem, see:

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=819881
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=817874

The only workaround I'm aware of is to downgrade the kernel to
3.16.7-ckt20-1+deb8u4.

Reco


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