summaryrefslogtreecommitdiff
path: root/Documentation/livepatch
diff options
context:
space:
mode:
authorJian-Hong Pan <jian-hong@endlessm.com>2019-04-12 16:01:53 +0800
committerIngo Molnar <mingo@kernel.org>2019-04-16 10:01:24 +0200
commit0082517fa4bce073e7cf542633439f26538a14cc (patch)
tree0061ade9b7cc8e9fc623a640b37aeaf68af790e2 /Documentation/livepatch
parent510bb96fe5b3480b4b22d815786377e54cb701e7 (diff)
x86/reboot, efi: Use EFI reboot for Acer TravelMate X514-51T
Upon reboot, the Acer TravelMate X514-51T laptop appears to complete the shutdown process, but then it hangs in BIOS POST with a black screen. The problem is intermittent - at some points it has appeared related to Secure Boot settings or different kernel builds, but ultimately we have not been able to identify the exact conditions that trigger the issue to come and go. Besides, the EFI mode cannot be disabled in the BIOS of this model. However, after extensive testing, we observe that using the EFI reboot method reliably avoids the issue in all cases. So add a boot time quirk to use EFI reboot on such systems. Buglink: https://bugzilla.kernel.org/show_bug.cgi?id=203119 Signed-off-by: Jian-Hong Pan <jian-hong@endlessm.com> Signed-off-by: Daniel Drake <drake@endlessm.com> Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Matt Fleming <matt@codeblueprint.co.uk> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-efi@vger.kernel.org Cc: linux@endlessm.com Link: http://lkml.kernel.org/r/20190412080152.3718-1-jian-hong@endlessm.com [ Fix !CONFIG_EFI build failure, clarify the code and the changelog a bit. ] Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'Documentation/livepatch')
0 files changed, 0 insertions, 0 deletions