On Thu, 24 Oct, at 12:14:26PM, Jasper Bryant-Greene wrote: > I have a box here which is set up for EFI boot with no boot loader. > > The kernel is compiled with a built-in initrd and command line. > > In 3.10 this was all working well. However, after updating to 3.11.5 a > reboot leads to the EFI firmware boot screen appearing followed by the > middle section of it going black (just leaving two vertical stripes of > the EFI firmware boot screen on either side of the screen) and the > system locking up (numlock etc do not work). > > However, if I hit ‘delete’ quickly when powering on, and enter the > firmware setup screen, I can then ‘exit without saving’ and the system > will boot successfully — ‘save and exit’ does not work as that > performs a full reboot while ‘exit without saving’ seems to continue > the boot where it left off. > > Due to the aforementioned graphics corruption, I am wondering whether > it is somehow related to the frame buffer? As this is a production > system I unfortunately do not have flexibility to try a number of > kernel versions in-between to locate where the issue was introduced. Nothing springs to mind and nothing jumps out of the log in drivers/video or arch/x86/platform/efi. The best way to figure out what's causing this issue really is to bisect the kernel versions. What hardware are you running on? -- Matt Fleming, Intel Open Source Technology Center -- To unsubscribe from this list: send the line "unsubscribe linux-efi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
