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Bug 69676 - Slow console switching with vesafb-tng
Summary: Slow console switching with vesafb-tng
Alias: None
Product: Gentoo Linux
Classification: Unclassified
Component: [OLD] Unspecified (show other bugs)
Hardware: All Linux
: High minor (vote)
Assignee: Michal Januszewski (RETIRED)
Depends on:
Reported: 2004-10-31 15:45 UTC by Jurek Bartuszek (RETIRED)
Modified: 2005-01-15 10:28 UTC (History)
1 user (show)

See Also:
Package list:
Runtime testing required: ---


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Description Jurek Bartuszek (RETIRED) gentoo-dev 2004-10-31 15:45:00 UTC
I think that this began happening after I upgraded kernel to 2.6.9-r1 or xorg to 6.8.0-r1... I'm not exactly sure about that. However, the problem occurs even if X server is down. The problem is that switching between tty's (alt+f1, alt+f2) became extremely slow - it takes about one or two seconds. Although I know it's a minor issue, it's very annoying :(

Reproducible: Always
Steps to Reproduce:
1. Keep switching between ttys

Gentoo Base System version 1.4.16
Portage 2.0.51-r2 (default-x86-2004.2, gcc-3.3.4, glibc-,
2.6.9-gentoo-r1 i686)
System uname: 2.6.9-gentoo-r1 i686 Intel(R) Celeron(R) CPU 2.50GHz
ccache version 2.3 [enabled]
Autoconf: sys-devel/autoconf-2.59-r5
Automake: sys-devel/automake-1.8.5-r1
Binutils: sys-devel/binutils-
Headers:  sys-kernel/linux-headers-2.4.21-r1
Libtools: sys-devel/libtool-1.5.2-r5
CFLAGS="-Os -march=pentium4 -pipe"
CONFIG_PROTECT="/etc /usr/X11R6/lib/X11/xkb /usr/kde/2/share/config
/usr/kde/3.3/env /usr/kde/3.3/share/config /usr/kde/3.3/shutdown
/usr/kde/3/share/config /usr/lib
/mozilla/defaults/pref /usr/share/config /var/qmail/control"
CONFIG_PROTECT_MASK="/etc/gconf /etc/terminfo /etc/env.d"
CXXFLAGS="-Os -march=pentium4 -pipe"
FEATURES="autoaddcvs candy ccache distlocks sandbox"
USE="3dnow X aalib accessibility acpi alsa arts audiofile autofs avi berkdb bidi
bitmap-fonts cdparanoia cdr crypt cscope cups curl devfs dga divx4linux doc dvb
dvd dvdr encode f77 fbcon flac flash foomaticdb gdbm gif gimpprint ginac gpm gps
gtk gtk2 imlib ipv6 jabber jack java javascript jpeg kadu-modules kadu-voice kde
libg++ libwww mad mikmod mmx motif mozilla mpeg ncurses nls offensive oggvorbis
opengl oss pam pcmcia pda pdflib perl png pnp ppds python qt quicktime readline
ruby samba sdl slang slp spell sse ssl svga tcltk tcpd tiff truetype usb videos
vim-with-x wxwindows x86 xine xml xml2 xmms xv xvid zlib video_cards_i915
Comment 1 Daniel Drake (RETIRED) gentoo-dev 2004-11-02 06:22:51 UTC
Are you using a framebuffer? fbsplash?
Comment 2 Jurek Bartuszek (RETIRED) gentoo-dev 2004-11-02 10:05:49 UTC
I use the vesafb-tng driver from kernel 2.6.9
Comment 3 Jurek Bartuszek (RETIRED) gentoo-dev 2004-11-06 07:16:26 UTC
I've noticed, that if xorg doesn't start after booting the system, console switching is ok. However, after running X server (/etc/init.d/xdm start), the problem starts to occur. Turning xdm off doesn't help either... I have to reboot the system.
Comment 4 Daniel Drake (RETIRED) gentoo-dev 2004-11-10 22:17:11 UTC
Michal has attempted to fix this bug.. could someone test it?
You'll need to grab 2.6.10-rc1, patch it with a nightly -bk patch and then apply the vesafb-tng for 2.6.10-rc1-bk11 from his site:

If it works, maybe we can backport it to fix up 2.6.9
Comment 5 Michal Januszewski (RETIRED) gentoo-dev 2004-11-11 03:21:02 UTC
Actually, it might be easier to just emerge the latest development-sources (2.6.10-rc1) and then patch it with 
Comment 6 Michal Januszewski (RETIRED) gentoo-dev 2004-12-26 07:24:14 UTC
Is this still a problem with gentoo-dev-sources-2.6.10?
Comment 7 Michal Januszewski (RETIRED) gentoo-dev 2005-01-15 10:28:27 UTC
All problems related to slow console switching should be fixed in g-d-s-2.6.10-r5. Please comment/reopen if they are not.