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 > > >
