#39341 - Installer using 100% of a CPU core

GNU bug report logs - #39341
Installer using 100% of a CPU core

Package: guix;

Reported by: Maxim Cournoyer <maxim.cournoyer <at> gmail.com>

Date: Wed, 29 Jan 2020 05:20:01 UTC

Severity: important

Done: Ludovic Courtès <ludo <at> gnu.org>

Bug is archived. No further changes may be made.

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From: Bengt Richter <bokr <at> bokr.com> To: "pelzflorian (Florian Pelz)" <pelzflorian <at> pelzflorian.de> Cc: Mathieu Othacehe <othacehe <at> gnu.org>, Ludovic Courtès <ludo <at> gnu.org>, 39341-done <at> debbugs.gnu.org, Maxim Cournoyer <maxim.cournoyer <at> gmail.com> Subject: bug#39341: Installer using 100% of a CPU core Date: Tue, 27 Apr 2021 19:43:56 +0200

Hi Florian, On +2021-04-27 14:32:09 +0200, pelzflorian (Florian Pelz) wrote: > On Tue, Apr 27, 2021 at 12:38:23PM +0200, Ludovic Courtès wrote: > > What do you mean by “fails on real hardware”? That the keyboard layout > > is unchanged? > > Yes. > > > > Is there anything in /var/log/messages > > No, nothing out of the ordinary, only the installer pages I went > through. > > > or wherever kmscon > > writes its logs? > > I try with > > diff --git a/gnu/services/base.scm b/gnu/services/base.scm > index 24b3ea785b..0eff24828c 100644 > --- a/gnu/services/base.scm > +++ b/gnu/services/base.scm > @@ -2330,6 +2330,7 @@ This service is not part of @var{%base-services}." > > (define kmscon-command > #~(list > + #$(file-append strace "/bin/strace") "-o" "/var/log/kmscon-out" "-f" > #$(file-append kmscon "/bin/kmscon") "--login" > "--vt" #$virtual-terminal > "--no-switchvt" ;Prevent a switch to the virtual terminal. > > I do > > cat /var/log/kmscon-out | grep keymap-update > > I see > > 231 unlink("/tmp/kmscon-231-keymap-update") = -1 ENOENT (No such file or directory) > 231 mknod("/tmp/kmscon-231-keymap-update", S_IFIFO|0700) = 0 > 231 openat(AT_FDCWD, "/tmp/kmscon-231-keymap-update", O_RDONLY|O_NONBLOCK) = 17 > 231 unlink("/tmp/kmscon-231-keymap-update") = 0 > 231 mknod("/tmp/kmscon-231-keymap-update", S_IFIFO|0700) = 0 > 231 openat(AT_FDCWD, "/tmp/kmscon-231-keymap-update", O_RDONLY|O_NONBLOCK) = 20 > 231 unlink("/tmp/kmscon-231-keymap-update") = 0 > 231 mknod("/tmp/kmscon-231-keymap-update", S_IFIFO|0700) = 0 > 231 openat(AT_FDCWD, "/tmp/kmscon-231-keymap-update", O_RDONLY|O_NONBLOCK) = 23 > 231 unlink("/tmp/kmscon-231-keymap-update") = 0 > 231 mknod("/tmp/kmscon-231-keymap-update", S_IFIFO|0700) = 0 > 231 openat(AT_FDCWD, "/tmp/kmscon-231-keymap-update", O_RDONLY|O_NONBLOCK) = 26 > 259 stat("/tmp/kmscon-231-keymap-update", {st_mode=S_IFIFO|0700, st_size=0, ...}) = 0 > 259 openat(AT_FDCWD, "/tmp/kmscon-231-keymap-update", O_WRONLY|O_CREAT|O_TRUNC, 0666) = 19 > 259 lstat("/tmp/kmscon-231-keymap-update", {st_mode=S_IFIFO|0700, st_size=0, ...}) = 0 > 231 unlink("/tmp/kmscon-231-keymap-update") = 0 > 231 mknod("/tmp/kmscon-231-keymap-update", S_IFIFO|0700) = 0 > 231 openat(AT_FDCWD, "/tmp/kmscon-231-keymap-update", O_RDONLY|O_NONBLOCK) = 26 > 231 unlink("/tmp/kmscon-231-keymap-update") = 0 > 231 mknod("/tmp/kmscon-231-keymap-update", S_IFIFO|0700) = 0 > 231 openat(AT_FDCWD, "/tmp/kmscon-231-keymap-update", O_RDONLY|O_NONBLOCK) = 18 > 231 unlink("/tmp/kmscon-231-keymap-update") = 0 > 231 mknod("/tmp/kmscon-231-keymap-update", S_IFIFO|0700) = 0 > 231 openat(AT_FDCWD, "/tmp/kmscon-231-keymap-update", O_RDONLY|O_NONBLOCK) = 21 > 231 unlink("/tmp/kmscon-231-keymap-update") = 0 > 231 mknod("/tmp/kmscon-231-keymap-update", S_IFIFO|0700) = 0 > 231 openat(AT_FDCWD, "/tmp/kmscon-231-keymap-update", O_RDONLY|O_NONBLOCK) = 24 > > > Now I checked again; after going back to the installer via > Ctrl-Alt-F1, I can actually type Amharic. Maybe it just took a long > time? But it does not change back to English. > > I have more lines in kmscon-out by now > > 231 unlink("/tmp/kmscon-231-keymap-update") = -1 ENOENT (No such file or directory) > 231 mknod("/tmp/kmscon-231-keymap-update", S_IFIFO|0700) = 0 > 231 openat(AT_FDCWD, "/tmp/kmscon-231-keymap-update", O_RDONLY|O_NONBLOCK) = 17 > 231 unlink("/tmp/kmscon-231-keymap-update") = 0 > 231 mknod("/tmp/kmscon-231-keymap-update", S_IFIFO|0700) = 0 > 231 openat(AT_FDCWD, "/tmp/kmscon-231-keymap-update", O_RDONLY|O_NONBLOCK) = 20 > 231 unlink("/tmp/kmscon-231-keymap-update") = 0 > 231 mknod("/tmp/kmscon-231-keymap-update", S_IFIFO|0700) = 0 > 231 openat(AT_FDCWD, "/tmp/kmscon-231-keymap-update", O_RDONLY|O_NONBLOCK) = 23 > 231 unlink("/tmp/kmscon-231-keymap-update") = 0 > 231 mknod("/tmp/kmscon-231-keymap-update", S_IFIFO|0700) = 0 > 231 openat(AT_FDCWD, "/tmp/kmscon-231-keymap-update", O_RDONLY|O_NONBLOCK) = 26 > 259 stat("/tmp/kmscon-231-keymap-update", {st_mode=S_IFIFO|0700, st_size=0, ...}) = 0 > 259 openat(AT_FDCWD, "/tmp/kmscon-231-keymap-update", O_WRONLY|O_CREAT|O_TRUNC, 0666) = 19 > 259 lstat("/tmp/kmscon-231-keymap-update", {st_mode=S_IFIFO|0700, st_size=0, ...}) = 0 > 231 unlink("/tmp/kmscon-231-keymap-update") = 0 > 231 mknod("/tmp/kmscon-231-keymap-update", S_IFIFO|0700) = 0 > 231 openat(AT_FDCWD, "/tmp/kmscon-231-keymap-update", O_RDONLY|O_NONBLOCK) = 26 > 231 unlink("/tmp/kmscon-231-keymap-update") = 0 > 231 mknod("/tmp/kmscon-231-keymap-update", S_IFIFO|0700) = 0 > 231 openat(AT_FDCWD, "/tmp/kmscon-231-keymap-update", O_RDONLY|O_NONBLOCK) = 18 > 231 unlink("/tmp/kmscon-231-keymap-update") = 0 > 231 mknod("/tmp/kmscon-231-keymap-update", S_IFIFO|0700) = 0 > 231 openat(AT_FDCWD, "/tmp/kmscon-231-keymap-update", O_RDONLY|O_NONBLOCK) = 21 > 231 unlink("/tmp/kmscon-231-keymap-update") = 0 > 231 mknod("/tmp/kmscon-231-keymap-update", S_IFIFO|0700) = 0 > 231 openat(AT_FDCWD, "/tmp/kmscon-231-keymap-update", O_RDONLY|O_NONBLOCK) = 24 > 259 stat("/tmp/kmscon-231-keymap-update", {st_mode=S_IFIFO|0700, st_size=0, ...}) = 0 > 259 openat(AT_FDCWD, "/tmp/kmscon-231-keymap-update", O_WRONLY|O_CREAT|O_TRUNC, 0666) = 19 > 259 lstat("/tmp/kmscon-231-keymap-update", {st_mode=S_IFIFO|0700, st_size=0, ...}) = 0 > 231 unlink("/tmp/kmscon-231-keymap-update") = 0 > 231 mknod("/tmp/kmscon-231-keymap-update", S_IFIFO|0700) = 0 > 231 openat(AT_FDCWD, "/tmp/kmscon-231-keymap-update", O_RDONLY|O_NONBLOCK) = 24 > > It has still not gone back to English layout (except when I press > Alt+Shift). > > Regards, > Florian > > > Perhaps this old bug in some form? https://bugzilla.gnome.org/show_bug.cgi?id=776570 and solution linked from there might help? http://unix.stackexchange.com/questions/333368 -- Regards, Bengt Richter

This bug report was last modified 4 years and 25 days ago.

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GNU bug report logs - #39341 Installer using 100% of a CPU core

GNU bug report logs - #39341
Installer using 100% of a CPU core