Am Samstag, 16. Juni 2012 schrieb Karol Babioch : > > Hi, > > there seems to be a quite serious regression in kernel 3.4, at least for > me. As soon as the nouveau module gets loaded my screen goes blank. > > There is already a bug reported on this issue in your bug tracker, see > [1]. Interestingly enough I've got nearly the same laptop as the > reporter of the issue. Personally I've got a Sony VAIO VPCS12C5E. The > reporter got a VPCS11C5E. We both have a dedicated graphics card (NVIDIA > GeForce 310M). The CPU does provide its own GPU, but it is disabled, > which can't be accessed or changed within the BIOS. > > It worked fine for kernels 2.6.39 up until now (3.3). I'm not quite sure > whether 2.6.38 worked, or not, but it was somewhere around this time > that it got fixed. > > From reading various threads, I've got the feeling that a lot of the > black/blank screen issues should be fixed with 3.4. My best guess would > be that something was changed, which introduced this kind of regression. > > As there are already some logfiles provided within the bug issued in > your tracker (see [1]), I won't attach anything here. But I'm happy to > provide anything you need, of course. Just let me know.
Thanks! I'm aware of the issue and will look into it after the weekend. I don't have any effected hw, so i'll ping you for testing as needed :) Ben. > > Would be nice, to narrow this one down, as I would like to use kernel > 3.4 and later at some point in the future ;). > > Best regards, > Karol Babioch > > [1] https://bugs.freedesktop.org/show_bug.cgi?id=50175 > >
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