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Diffstat (limited to 'results/scraper/launchpad-without-comments/1800401')
| -rw-r--r-- | results/scraper/launchpad-without-comments/1800401 | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/results/scraper/launchpad-without-comments/1800401 b/results/scraper/launchpad-without-comments/1800401 new file mode 100644 index 00000000..39e2f42f --- /dev/null +++ b/results/scraper/launchpad-without-comments/1800401 @@ -0,0 +1,29 @@ +efifb on Linux guest fails to load when using VGA passthrough + +The EFI framebuffer fails to load when booting a Gentoo guest using ovmf + vga_passthrough. I retested using they system rescue CD and saw the same issue, but also noticed that when a second framebuffer loads, nouveaufb in my case, the terminal appears. I have also verified that the Gentoo min CD is not hanging at boot as I can type 'poweroff' after waiting a few minutes and the system responds by powering off. I am unable to reproduce with seabios as I have been unable to get vga passthrough to work with that BIOS. + +Steps to Reproduce: + 1. Install qemu and ovmf + 2. Download systemrescuecd-x86-5.3.1.iso + 3. Run qemu using one of the configurations below + 4. Select first boot option in GRUB menu + 5. Wait 30 seconds + 6. Press enter # System rescue is prompting for the keymap between steps 5 and 6 + 7. Wait 2 minutes + 8. Observe fb console + 9. Note lack of output until very late in boot process + 10. Check dmesg + 11. Note efifb failed to load (invalid address) + 12. Note nouveaufb started late in boot process + +Expected Results: + The EFI FB to load and display output to monitor. This is the behavior I see when booting the host system via UEFI. + +Actual Results: + The EFI FB fails to load and display output. System fails to display any output until nouveaufb loads. When booting using the Gentoo minCD, this makes the system largely unusable. + +Additional information: + +Tested using Gentoo's app-emulation/qemu-3.0.0 version. Bug report: https://bugs.gentoo.org/669880 + +I also tested qemu at git commit 179f9ac887973c818b2578bd79fa3ed2522657d4. Configuration log for the build will be attached. \ No newline at end of file |