Hi Alex, Sorry for the late reply. But upgrading to the latest kernel has solved my issue.
Thanks. On Mon, May 8, 2017 at 10:04 PM, Deucher, Alexander <alexander.deuc...@amd.com> wrote: >> -----Original Message----- >> From: Anil Nair [mailto:anilcol...@gmail.com] >> Sent: Monday, May 08, 2017 11:42 AM >> To: Deucher, Alexander; lkml >> Subject: PROBLEM: Issue With Radeon graphics With Lenovo Laptop G50-80 >> >> Hi, >> >> I recently decided to try out the latest Linux kernel release v4.11, I >> compiled and installed it, while booting the latest kernel; the screen >> freezes.There is no response from the kernel, the only option I have >> is to turn off and start it again. > > Can you get the dmesg output after boot? Defer loading the radeon driver > (append modprobe.blacklist=radeon to the kernel command line in grub), then > boot into a text console and attempt to manually load the driver (modprobe > radeon). > >> >> I tried booting the kernel using debian recovery option, when i tried >> to load the radeon module here is the error i got, >> >> anilnair@anilnair-lenovo:~$ dmesg | grep radeon >> [ 1.255633] [drm] VGACON disable radeon kernel modesetting. >> [ 1.255698] [drm:radeon_init [radeon]] *ERROR* No UMS support in >> radeon module! >> [ 22.261475] [drm] VGACON disable radeon kernel modesetting. >> [ 22.261500] [drm:radeon_init [radeon]] *ERROR* No UMS support in >> radeon module! >> anilnair@anilnair-lenovo:~$ sudo modprobe radeon >> [ 716.704231] [drm] VGACON disable radeon kernel modesetting. >> [ 716.704267] [drm:radeon_init [radeon]] *ERROR* No UMS support in >> radeon module! >> >> I am attaching the relevant details, Please let me know if any further >> information is needed. > > If you have nomodeset or radeon.modeset=0 on the kernel command line you are > effectively disabling the driver. The driver refuses to load if those are > set. Please remove them from your kernel command line to load the driver. > > Alex -- -- Regards, Anil Nair
