Messages in this thread | | | Subject | Re: [PATCH 1/2] x86/boot/compressed/64: Remove .bss/.pgtable from bzImage | From | Sergey Shatunov <> | Date | Mon, 06 Apr 2020 19:36:57 +0700 |
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On Mon, 2020-04-06 at 10:44 +0200, Ard Biesheuvel wrote: > On Mon, 6 Apr 2020 at 01:18, Arvind Sankar <nivedita@alum.mit.edu> > wrote: > > On Sun, Apr 05, 2020 at 10:42:46PM +0700, Sergey Shatunov wrote: > > > This patch causes some strange things happens with my laptop. > > > > > > Cold boot crashed in some early initilization logic with message > > > 'Failed to execute /esp/.../linux.efi: Buffer Too Small'. > > > After couple reboots into firmware setup (bios) or hot reboot > > > from other working kernel (without that commit) helps it to boot. > > > During bisecting couple times I saw different message: > > > 'exit_efi() failed; efi_main() failed', but above tricks helps it > > > too. > > Could you please try adding 'efi=no_disable_early_pci_dma' to the > kernel command line? The lack of BSS zeroization may result in that > option to get inadvertently enabled, and it is known to break > exit_boot() on some systems.
With 'efi=no_disable_early_pci_dma' it works again.
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