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From: "Jörg Otte" <jrg.otte@gmail.com>
To: Ard Biesheuvel <ardb@kernel.org>
Cc: linux-efi <linux-efi@vger.kernel.org>,
	Arvind Sankar <nivedita@alum.mit.edu>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Linus Torvalds <torvalds@linux-foundation.org>
Subject: Re: Kernel V5.7-rc1 doesn't boot (EFI?)
Date: Wed, 15 Apr 2020 10:35:34 +0200	[thread overview]
Message-ID: <CADDKRnBzMPw8cj5CQv93rxydx8LcNVyfs4mfrLvqxBEtH_r3zQ@mail.gmail.com> (raw)
In-Reply-To: <CAMj1kXEDJ67oJJjKtDC--VXmr+z8-voPhHnRnaMCEfo5Pc6Sqg@mail.gmail.com>

Am Di., 14. Apr. 2020 um 18:35 Uhr schrieb Ard Biesheuvel <ardb@kernel.org>:
>
> On Tue, 14 Apr 2020 at 18:32, Jörg Otte <jrg.otte@gmail.com> wrote:
> >
> > Am Di., 14. Apr. 2020 um 12:50 Uhr schrieb Ard Biesheuvel <ardb@kernel.org>:
> > >
> > > On Tue, 14 Apr 2020 at 12:40, Jörg Otte <jrg.otte@gmail.com> wrote:
> > > >
> > > > Booting my notebook with kernel V57-rc1 I get following
> > > > display:
> > > >
> > > > exit_boot() failed!
> > > > efi_main() failed!
> > > > StartImage failed: Buffer Too Small
> > > >
> > > > Booting Kernel V5.6 works well.
> > > >
> > > > From dmesg (kernel V5.6):
> > > > efi: EFI v2.31 by Phoenix Technologies Ltd.
> > > > efi:  ACPI=0xdcffe000  ACPI 2.0=0xdcffe014  SMBIOS=0xdce80000  RNG=0xdc3cd198
> > > > efi: seeding entropy pool
> > > > efi: [Firmware Bug]: Invalid EFI memory map entries:
> > > > efi: mem47: [Reserved           |   |  |  |  |  |  |  |  |   |  |  |
> > > > |  ] range=[0x0000000000000000-0x0000000000000000] (invalid)
> > > > efi: mem48: [Reserved           |   |  |  |  |  |  |  |  |   |  |  |
> > > > |  ] range=[0x0000000000000000-0x0000000000000000] (invalid)
> > > > efi: mem49: [Reserved           |   |  |  |  |  |  |  |  |   |  |  |
> > > > |  ] range=[0x0000000000000000-0x0000000000000000] (invalid)
> > > > efi: mem50: [Reserved           |   |  |  |  |  |  |  |  |   |  |  |
> > > > |  ] range=[0x0000000000000000-0x0000000000000000] (invalid)
> > > > efi: mem51: [Reserved           |   |  |  |  |  |  |  |  |   |  |  |
> > > > |  ] range=[0x0000000000000000-0x0000000000000000] (invalid)
> > > > efi: Removing 5 invalid memory map entries.
> > > >
> > >
> > > Thanks for the report.
> > >
> > > Can you try booting with efi=no_disable_early_pci_dma passed via the
> > > kernel command line? [*]
> > >
> > Yes, that works!
> >
> > > If that does not help, can you try to reproduce with this branch?
> > >
> > > https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/log/?h=efi/urgent
> >
> > Should I give that branch a try anyway?
> >
>
> Your test proves that BSS is not being cleared correctly, so I have
> the answer I was looking for. However, I would appreciate it if you
> could test that branch, just to double check.
>
> Thanks,
> Ard.

The branch works for me too!

Thanks, Jörg

  parent reply	other threads:[~2020-04-15  8:35 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-14 10:40 Kernel V5.7-rc1 doesn't boot (EFI?) Jörg Otte
2020-04-14 10:50 ` Ard Biesheuvel
2020-04-14 16:32   ` Jörg Otte
2020-04-14 16:35     ` Ard Biesheuvel
2020-04-15  7:45       ` Ingo Molnar
2020-04-15  8:35       ` Jörg Otte [this message]
2020-04-15  9:58         ` Ard Biesheuvel
2020-04-14 18:27   ` Linus Torvalds
2020-04-14 18:32     ` Ard Biesheuvel
2020-04-14 18:44       ` Linus Torvalds

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