https://bugzilla.kernel.org/show_bug.cgi?id=73291 Bug ID: 73291 Summary: Kernel 3.13.7 boots with hybrid Intel/ATI but to blank graphical screen Product: Drivers Version: 2.5 Kernel Version: 3.13.7 Hardware: x86-64 OS: Linux Tree: Mainline Status: NEW Severity: high Priority: P1 Component: Video(DRI - non Intel) Assignee: drivers_video-dri@xxxxxxxxxxxxxxxxxxxx Reporter: mike.cloaked@xxxxxxxxx Regression: No Created attachment 131071 --> https://bugzilla.kernel.org/attachment.cgi?id=131071&action=edit systemd journal for current boot with kernel 3.13.6 Running arch linux stock kernel. Previous Kernel 3.13.6 boots to graphical screen giving a usable laptop but problems with radeon apparent from systemd journal log. Updating the kernel to 3.13.7 boots the laptop, but the graphical screen is blank apart from static cursor at top left of the screen. The kernel is still running and able to ssh in to get at the log files (attached). No graphics is usable. Hybrid graphics in this Lenovo Thinkpad S540 is: $ lspci | egrep '(Graphics|Display)' 00:02.0 VGA compatible controller: Intel Corporation Haswell-ULT Integrated Graphics Controller (rev 09) 06:00.0 Display controller: Advanced Micro Devices, Inc. [AMD/ATI] Sun XT [Radeon HD 8670A] i915 and radeon modules are built into the initial ramdisk. xrandr only sees one provider: $ xrandr --listproviders Providers: number : 1 Provider 0: id: 0x48 cap: 0xb, Source Output, Sink Output, Sink Offload crtcs: 4 outputs: 5 associated providers: 0 name:Intel I have tried adding intel.modeset=0, and separately radeon.runpm=0 to the kernel line but this does not remedy the situation. -- You are receiving this mail because: You are watching the assignee of the bug. _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
