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I'm currently running the 9550 with ubuntu 16.04 and can confirm #2 on your list. It's pretty annoying. Bumping the brightness up helps a lot, but when on batte

by karlgrz 10y ago

I'm currently running the 9550 with ubuntu 16.04 and can confirm #2 on your list. It's pretty annoying. Bumping the brightness up helps a lot, but when on battery and/or late at night that's a terrible compromise.

rstuart4133 10y ago
It's a bug in the Intel drivers. Windows suffered from the same problem, for what it is worth. "Suffered" because if you have updated your BIOS Intel has automagically updated their driver, so Windows is good now. Debian testing and Ubuntu 16.10 are also good now. Ubuntu 16.10 is a recent thing, but Debian testing was good well before Windows. Your problems are therefore caused by: a. Intel issuing shitty Skylake GPU drivers for something like 12 months. This obviously effected everyone, not just Dell. But Dell released Skylake CPU's before most so they were hit hardest. Apple worked around the problem by simply not updating their Mac Book pro line. b. Ubuntu not updating 16.04 LTS. The 4.8 Kernel plus bug fixes, plus new Intel X drivers, plus new GPU firmware is what is required. I've owned a 9550 for about a year now, and it's been a world of pain. There is plenty of blame to share around, but Dell is right down my list. The only thing I blame them for is the shitty Mac Book like keyboard.
- karlgrz 10y ago
  Interesting, thanks for the insight there. I'm not in a rush to upgrade to 16.10, but I'm also not opposed to it in the slightest. Maybe I'll give that a shot over the holidays here. Thanks again, cheers!
- karlgrz 10y ago
  I went ahead with a clean install of 16.10, and, coupled with the following firmware update (http://downloads.dell.com/FOLDER04078627M/1/XPS_9550_1.2.18.exe http://downloads.dell.com/FOLDER04078627M/1/XPS_9550_1.2.18....) seems to have resolved the Intel graphics flickering. Thanks a lot for that nudge in the right direction!

by karlgrz 10y ago

rstuart4133 10y ago

It's a bug in the Intel drivers. Windows suffered from the same problem, for what it is worth. "Suffered" because if you have updated your BIOS Intel has automagically updated their driver, so Windows is good now. Debian testing and Ubuntu 16.10 are also good now. Ubuntu 16.10 is a recent thing, but Debian testing was good well before Windows. Your problems are therefore caused by: a. Intel issuing shitty Skylake GPU drivers for something like 12 months. This obviously effected everyone, not just Dell. But Dell released Skylake CPU's before most so they were hit hardest. Apple worked around the problem by simply not updating their Mac Book pro line. b. Ubuntu not updating 16.04 LTS. The 4.8 Kernel plus bug fixes, plus new Intel X drivers, plus new GPU firmware is what is required. I've owned a 9550 for about a year now, and it's been a world of pain. There is plenty of blame to share around, but Dell is right down my list. The only thing I blame them for is the shitty Mac Book like keyboard.

karlgrz 10y ago
Interesting, thanks for the insight there. I'm not in a rush to upgrade to 16.10, but I'm also not opposed to it in the slightest. Maybe I'll give that a shot over the holidays here. Thanks again, cheers!
karlgrz 10y ago
I went ahead with a clean install of 16.10, and, coupled with the following firmware update (http://downloads.dell.com/FOLDER04078627M/1/XPS_9550_1.2.18.exe http://downloads.dell.com/FOLDER04078627M/1/XPS_9550_1.2.18....) seems to have resolved the Intel graphics flickering. Thanks a lot for that nudge in the right direction!