/srv/irclogs.ubuntu.com/2013/07/20/#ubuntu-kernel.txt

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dupondjeKnown issues with latest kernel in Saucy ?21:01
dupondjewhat the21:14
dupondjeJul 20 22:08:19 laptop-jl kernel: [   38.945777] i915: Unknown parameter `i915_enable_rc6'21:14
dupondjehttps://bugs.launchpad.net/ubuntu/+source/linux/+bug/120321121:25
dupondjeaha21:25
ubot2`Ubuntu bug 1203211 in linux (Ubuntu) "Kernel 3.10.0-4 fails on graphical boot with i915 (MacBook Pro 8,2)" [Undecided,Confirmed]21:25
infinitydupondje: If it's an Optimus system, can you confirm that it works fine if you disable discrete graphics entirely in the BIOS?21:43
infinitydupondje: (Mine's an Optimus, but I disable the nvidia part normally, and I'm not seeing this bug, so I'm curious)21:44
dupondjeinfinity: I have no bios option for that22:01
infinitydupondje: Oh, nevermind that then.22:06
JanCI don't think MacBooks have a BIOS  ;-)22:08
dupondjeJanC: its not only macbook affected22:08
dupondjeDell XPS15 here22:08
JanCright, but I think those have (U)EFI too, and not a (real) BIOS22:11
JanCI forgot if Optimus has the outputs on the Intel or on the Nvidia part?22:12
dupondjedepends :)22:12
dupondjeHDMI is on nvidia22:12
dupondjeDisplayPort in Intel22:12
dupondjeheh :x22:12
JanCand internal?22:13
dupondjeinternal ?22:13
dupondjeinternal screen is connected to both ofc22:13
JanCthat's not really "of course" AFAIK22:14
dupondjewhy not ?22:15
dupondjeseems quite logic you can use both cards for you internal scren22:15
JanCit might seem logic, but sometimes you need one to use the other22:16
JanCbut like I said, I don't remember the details about Optimus22:16
JanCthere are differences between multi-GPU laptop setups22:17
JanCseems like Optimus always uses the Intel IGP to output to the internal screen22:23
dupondjeits strange -4 kernel broke down22:35
dupondjeas there are no relevant changes in it :s22:35
JanCI wonder if the nvidia/nouveau drivers could do something wrong? (if they get loaded?)22:37
dupondjeno changes in nouveau neither22:37
dupondjehttps://launchpadlibrarian.net/145284065/linux_3.10.0-3.12_3.10.0-4.13.diff.gz22:38
dupondjenot much changes :s22:38
JanCthere are changes to dependencies etc.22:39
JanCmostly version stuff though22:43

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