Source: linux Source-Version: 3.16.7-ckt25-1 Hi,
On Tue, Feb 09, 2016 at 11:00:15PM +0100, r wrote: > Package: kernel > Version: 3.16.7-ckt20-1+deb8 amd64 > > The issue is related to the suspend/resume brightness with i965 integrated > video > controller. I am able to hibernate and resume but I'm not able to resume from > suspend. When I try to suspend both from GUI than from terminal (pm-suspend or > systemctl suspend) I get only a black screen on resume. The computer works > but > it seems that the brightness is set to zero and I can not turn the screen on. > If I try to hibernate, on resume all works well. I try to switch from tt1 to > tt6 > but nothing changes, the screen remain black. I also tried to use the > brightness > key but nothing happens. > > I discovered the bug was not present in the previous debian > stable kernel 3.2 but is still present in the 4.2 and 4.3 kernel from > backports. I compiled my own 4.4 kernel and now all seems to work. > > I run debian on a macbook 13". > > This is the C shared lib: > ----- > :~$ dpkg -l libc6 > libc6:amd64 2.19-18+deb8u2 amd64 > ----- > > This is my graphic card: > ----- > :~$ lspci | grep VGA > 00:02.0 VGA compatible controller: Intel Corporation Mobile GM965/GL960 > Integrated Graphics Controller (primary) (rev 03) > ----- > > This is dmesg after system resumed: [...] So this looks like https://bugs.freedesktop.org/show_bug.cgi?id=88325 and fixed in Linus tree https://git.kernel.org//linus/1b9448b071caa7d10bb2569fabe3020a2c25ae59 (v4.4-rc2) and backported in 3.16.7-ckt22 as cb7b74a708c5cd9cdf29b820f340f790d73ae217. Thanks for confirming it is fixed in v3.16.7-ckt25, closing the bugreport. Regards, Salvatore
