lkml.org 
[lkml]   [2020]   [Apr]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [PATCH 05/13] efi/x86: don't map the entire kernel text RW for mixed mode
On Thu, 9 Apr 2020 at 12:09, Jiri Slaby <jslaby@suse.cz> wrote:
>
> On 09. 04. 20, 11:09, Ard Biesheuvel wrote:
> > On Thu, 9 Apr 2020 at 10:36, Jiri Slaby <jslaby@suse.cz> wrote:
> >>
> >> On 09. 04. 20, 10:19, Ard Biesheuvel wrote:
> >>>>>> $ rpm -qlp ~/Downloads/ovmf-202002-1.1.i586.rpm
> >>>>>> warning: /home/ardbie01/Downloads/ovmf-202002-1.1.i586.rpm: Header V3
> >>>>>> RSA/SHA256 Signature, key ID 3dbdc284: NOKEY
> >>>>>> /usr/share/doc/packages/ovmf
> >>>>>> /usr/share/doc/packages/ovmf/README
> >>>>>
> >>>>> Hmmm, it's weird that OBS doesn't list all derived files.
> >>>>> Anyway, the ia32 ovmf is available in
> >>>>> http://download.opensuse.org/tumbleweed/repo/oss/noarch/qemu-ovmf-ia32-202002-1.1.noarch.rpm
> >>>>
> >>>> It indeed does:
> >>>> https://build.opensuse.org/package/binaries/openSUSE:Factory/ovmf/standard
> >>>>
> >>>> Note that the ia32 version is noarch, built on i586.
> >>>>
> >>>
> >>> I am not able to reproduce this issue using the linked firmware image
> >>> and a 5.6 x86_64_defconfig with efivarfs built in.
> >>
> >> Yeah, I had to use the distro config too. Not sure what the trigger is.
> >> Maybe some NUMA configs or something.
> >>
> >>> Could anyone share the full log, please, along with the kernel config
> >>> that was used?
> >>
> >> Both uploaded:
> >> http://decibel.fi.muni.cz/~xslaby/err/
> >>
> >
> > With the same config, I am still not seeing the issue.
> >
> >
> >> Note that I switched the for-me-necessary =m configs to =y. So that it
> >> is enough to build bzImage, w/o modules...
> >>
> >
> > Could you please try running it again with CONFIG_EFI_PGT_DUMP=y enabled?
>
> No problem:
> http://decibel.fi.muni.cz/~xslaby/err/dmesg2.txt
>
> > In the mean time, I will try to install Tumbleweed from scratch. Do
> > you have any steps I could follow to reproduce your setup?
>
> Not really, just installed TW 64-bit and used efi and grub 32 bit.
>

OK, so you installed using a 64-bit EFI, and then switched to a 32-bit
one? Or is there a special mixed-mode capable installer?

(The ones I found are x86_64 only)

\
 
 \ /
  Last update: 2020-04-09 12:46    [W:0.075 / U:0.712 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site