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bug#35408: External monitor not working with GDM
From: |
Danny Milosavljevic |
Subject: |
bug#35408: External monitor not working with GDM |
Date: |
Thu, 25 Apr 2019 14:16:39 +0200 |
Hi,
On Thu, 25 Apr 2019 21:41:27 +1000
Ben Sturmfels <address@hidden> wrote:
> Apr 25 20:30:54 localhost gdm: gdm_session_set_environment_variable:
> assertion 'value != NULL' failed
Yeah, that one again. It might make sense to patch that so the assertion
actually prints name and value passed.
You can also set "debug"'s "Enable=true" in gnu/services/xorg.scm , in
gdm-configuration-file , but it will only help in a limited way here.
> Apr 25 20:30:55 localhost gdm: Could not start command
> '/gnu/store/072cd7r7zx2fgp1v16bv2si5s435lwkj-gdm-3.26.2.1/libexec/gdm-
> session-worker': Too many open files
WTF. Parts of gdm have full root privileges and for it to contain
simple mistakes like that is worrying.
> Apr 25 20:30:55 localhost gdm: GLib: g_child_watch_add_full: assertion
> 'pid > 0' failed
gdm should have checked for errors before calling g_child_watch_add_full.
> Apr 25 20:30:55 localhost gdm: Child process -15096 was already dead.
> Apr 25 20:30:55 localhost gdm: Child process 15093 was already dead.
> Apr 25 20:30:55 localhost gdm: Unable to kill session worker process
WTF. I hope they don't kill the same pid twice and thus risk killing
innocent bystanders that happen to reuse the pid of the dead process.
common/gdm-common.c gdm_signal_pid ... yes, they do.
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