Hello Mick & James, I found that I made a big mistake after I installed kernel 4.4.6. My laptop still used kernel 4.1.5 to boot. It come as a surprise to me.
Therefore, I check the configuration of grub2 and fstab. Then I found that I forgot to modify mount options in fstab. The option of my boot partition was set as noauto. So that I don't use the kernel compiled by myself at all. After correcting these errors, I can use Radeon driver to execute X window now. Althought wasting more time to find out the answer, I think that I learn more with gentoo. Thank you for your help ! Regards, Phil On Mar 29, 2016 9:32 AM, "JingYuan Chen" <phil....@gmail.com> wrote: > James, > > Thanks for your response and suggestion ! > > Rich0's kernel crash dump page is interesting to me. I think that I could > find some useful information in it. I used Gentoo Live DVD to install > Gentoo into my laptop. I will use it to check VGA configuration again this > weekend. > > > Thank you ! > > > > Regards, > Phil > > On Sun, Mar 27, 2016 at 1:06 AM, James <wirel...@tampabay.rr.com> wrote: > >> JingYuan Chen <phil.cyc <at> gmail.com> writes: >> >> >> > I had installed Gentoo in my laptop successfully last weekend. My >> laptop >> is Toshiba Satellite L840. I found that my VGA card is Radeon HD 7670M >> using >> "lspci -k" command. Therefore, I refer to Gentoo's Radeon wiki page to >> configure 4.1.15-r1 kernel with TURKS firmware and emerge linux-firmware >> atom. >> > However, my new kernel can not load TURKS successfully. I notice that >> there is an error message with DRM in dmesg's output. It shows >> [drm:evergreen_init] *ERROR* Failed to load firmware. >> > Why Evergreen ? Is not Northern Islands ? I am sure that the filename I >> gave is TURKS's firmware in menuconfig. >> > How could I make the dmesg's error message more verbose to debug ? >> > Are there some configurations should I check again ? >> > p.s. I built it in kernel not in modules. >> > Any advice would be greatly appreciated. >> >> >> Look directly into /lib/firmware/radeon/ and make sure you do not have >> a typo somewhere. >> >> Building directly into the kernel is a really good idea for video drivers. >> >> Another tool you may want to check out, is Rich0's kernel crash dump >> page:: >> >> https://wiki.gentoo.org/wiki/Kernel_Crash_Dumps >> >> >> Last, when all else fails and is actually quite easy is to find a >> liveCD/DVD, from any distro that boots your lappy with the radeon driver >> that works. Then you parse about to find the one it uses. Some of these >> drivers are very close in the components and vendor card vendors have >> a 'malaise' of dis information surrounding the exact specs of the video >> components in there hardware, particularly laptop and tablet vendors. >> >> >> Just keep looking around, trying different ones out and something will >> work, eventually. >> >> 'lspci -k' show video driver details use on a generic livedvd booted >> system. >> >> A livedvd was created to give away at a recent california conference but I >> did not see it posted anywhere on the Release Engineering project pages. >> There are other gentoo derivative distros with livedvd you can bootup >> to help find the correct driver. >> >> >> >> good hunting, >> James >> >> >> >
