Created attachment 94291 [details] kernel config i have one intel machine, when i reboot with kexec enabled, the display is completely distorted and i can't see why the kernel doesn't boot. restarting the pc without kexec works as expected the machine uses a 3.7.9 vanilla kernel. i also tried 3.6.11, all versions of 3.7 and 3.8 - allways the same behavior kexec works fine on two other machines - but this machines use a nvidia card
Created attachment 94301 [details] dmesg output
(Downstream bug at https://bugs.gentoo.org/show_bug.cgi?id=454730)
problem still exists with 3.8.3
Please try more recent kernels like 3.9.7 and 3.10-rc7.
i tested 3.9.7 now the screen isn't distored anymore but the kernel now can't initialize the sata controller
picture of the kernel panic https://anonfiles.com/file/3e3d56115dc4b4864a8704688dee2c18
3.9.8 introduced a new regression. now the screen stays black even when the pc is booted normally.
3.10 boots and works nice, but the screen is now again distorted when i use kexec
screen stays normal for ~1sec after kexec reboot but is distorted afterwards - 3.10.5
Sorry that we didn't looked at this bug earlier, was lost in the bugzilla maze. Can you please retest on latest 3.12 kernels?
Also please boot with drm.debug=0xe added to your kernel cmdline and attach the dmesg (it contains tons of useful info about your hw).
I wouldn't be suprised if all of the ACPI/opregion/BIOS stuff we require wasn't all right in a kexec boot.
Timeout. Please reopen if the problem persists with recent kernels.