Thread (5 messages) 5 messages, 3 authors, 2021-11-04

Re: Fwd: Fwd: X stopped working with 5.14 on iBook

From: Finn Thain <fthain@linux-m68k.org>
Date: 2021-11-03 22:27:10

Possibly related (same subject, not in this thread)

On Wed, 3 Nov 2021, Andreas Schwab wrote:
On Nov 02 2021, Finn Thain wrote:
quoted
After many builds and tests, Stan and I were able to determine that this 
regression only affects builds with CONFIG_USER_NS=y. That is,

d3ccc9781560  + CONFIG_USER_NS=y  -->  fail
d3ccc9781560  + CONFIG_USER_NS=n  -->  okay
d3ccc9781560~ + CONFIG_USER_NS=y  -->  okay
d3ccc9781560~ + CONFIG_USER_NS=n  -->  okay
On my iBook G4, X is working alright with 5.15 and CONFIG_USER_NS=y.
Stan said his Cube has these packages installed:

# dpkg --list | grep Xorg
ii  xserver-xorg-core                      2:1.20.11-1
      powerpc      Xorg X server - core server
ii  xserver-xorg-legacy                    2:1.20.11-1
      powerpc      setuid root Xorg server wrapper

I gather that Riccardo also runs Debian SID.

Perhaps there is some interaction between d3ccc9781560, CONFIG_USER_NS and 
the SUID wrapper...

Does your Xorg installation use --enable-suid-wrapper, Andreas?
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