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Regression with commit 0a67361dcdaa

DISCUSSION Jarkko Nikula 2 participants 4 messages Apr 16, 2020 EFI

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Jarkko Nikula

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Hi

v5.7-rc1 hangs in early boot on an Intel Atom based prototype hardware while v5.6 boots fine. I bisected the regression into 0a67361dcdaa ("efi/x86: Remove runtime table address from kexec EFI setup data").

v5.7-rc1 caused a reboot loop on another Intel Core based prototype HW. Reboots also on top of 0a67361dcdaa but boots fine with that commit reverted.

Our test system uses kexec to boot the test kernel. These two machines got regression with v5.7-rc1. We have also others that boot fine.

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Jarkko
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#1 lore raw
Quoted 7 lines · Jarkko Nikula

Hi

v5.7-rc1 hangs in early boot on an Intel Atom based prototype hardware while v5.6 boots fine. I bisected the regression into 0a67361dcdaa ("efi/x86: Remove runtime table address from kexec EFI setup data").

Quoted 7 lines

v5.7-rc1 caused a reboot loop on another Intel Core based prototype HW. Reboots also on top of 0a67361dcdaa but boots fine with that commit reverted.

Our test system uses kexec to boot the test kernel. These two machines got regression with v5.7-rc1. We have also others that boot fine.

This should already be fixed in Linus's tree. Please report back whether that solves your problem or not.

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#2 lore raw
Quoted 13 lines · Ard Biesheuvel
Quoted 11 lines · Jarkko Nikula

Hi

v5.7-rc1 hangs in early boot on an Intel Atom based prototype hardware while v5.6 boots fine. I bisected the regression into 0a67361dcdaa ("efi/x86: Remove runtime table address from kexec EFI setup data").

v5.7-rc1 caused a reboot loop on another Intel Core based prototype HW. Reboots also on top of 0a67361dcdaa but boots fine with that commit reverted.

Quoted 7 lines
Quoted 3 lines

Our test system uses kexec to boot the test kernel. These two machines got regression with v5.7-rc1. We have also others that boot fine.

This should already be fixed in Linus's tree. Please report back whether that solves your problem or not.

Ah, I forgot to pull & test before bisecting...

Yes, both machines boot fine with the HEAD 00086336a8d9 ("Merge tag 'efi-urgent-2020-04-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip").

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Jarkko
maintainer
#3 lore raw
Quoted 19 lines · Jarkko Nikula
Quoted 17 lines · Ard Biesheuvel
Quoted 14 lines · Jarkko Nikula

Hi

v5.7-rc1 hangs in early boot on an Intel Atom based prototype hardware while v5.6 boots fine. I bisected the regression into 0a67361dcdaa ("efi/x86: Remove runtime table address from kexec EFI setup data").

v5.7-rc1 caused a reboot loop on another Intel Core based prototype HW. Reboots also on top of 0a67361dcdaa but boots fine with that commit reverted.

Our test system uses kexec to boot the test kernel. These two machines got regression with v5.7-rc1. We have also others that boot fine.

Quoted 9 lines
Quoted 3 lines

This should already be fixed in Linus's tree. Please report back whether that solves your problem or not.

Ah, I forgot to pull & test before bisecting...

Yes, both machines boot fine with the HEAD 00086336a8d9 ("Merge tag 'efi-urgent-2020-04-15' of
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip").

OK, good to know. Thanks for confirming.