On Wednesday 04 May 2016 13:06:45 JingYuan Chen wrote: > 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.
You do not need to mount /boot in fstab to be able to boot, but you *do* need to mount it when you're installing a new kernel. My /boot is also noauto in fstab. I mount it manually when I need to edit it, or install new kernels. > 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 -- Regards, Mick
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