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Date: Tue, 22 Jul 2008 01:36:11 +0200
From: "Zdenek Travnicek" <v154c1@gmail.com>
To: gentoo-user@lists.gentoo.org
Subject: [gentoo-user] Slow application start, LC_CTYPE and XCreateFontSet
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Hello,
I've installed new laptop few weeks ago and everything is running fine
except for all (most?) X applications taking few seconds to start.
I've tracked the problem down with ltrace to "XCreateFontSet()" call that
blocks for more than 2 seconds.
Searching on google lead me some forums about problem with this call and
UTF-8 encodings.
Further tests showed that the problem is related only to having locale set
to en_US.UTF-8.
Setting locale to anything else seems to solve it (even en_US)
$ time LC_ALL=en_US.UTF-8 xterm -e echo
real 0m2.422s
user 0m0.010s
sys 0m0.012s
$ time LC_ALL=cs_CZ.UTF-8 xterm -e echo
real 0m0.065s
user 0m0.048s
sys 0m0.010s
That's probably the reason I never saw it before, I usually have some
non-english locale on my system. (czech/japanese/russian, none of them
affected)
Specificaly, it seems to be related to LC_CTYPE setting.
strace shows lots output similar to:
poll([{fd=3, events=POLLIN, revents=POLLIN}], 1, -1) = 1
read(3,
"\1\0\212\0\0\0\0\0\0\0\351\0\0\0\0\0\1\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0", 32)
= 32
writev(3, [{"1\1\t\0\1\0\32\0", 8}, {"*-*-*-*-*-*-KSC5601.1987-0", 26},
{"\0\0", 2}], 3) = 36
read(3, 0x7fff831995a0, 32) = -1 EAGAIN (Resource temporarily
unavailable)
I tried to generate al locales with 'locale-gen -A' and to install some
other fonts (to have the same font set as on other machine where it works
fine) and nothing helped at all.
Any ideas how can I solve it?
Does it mean that I'm missing some fonts? Or something else? I'm running out
of ideas what to try...
my X server is xorg-server-1.3.0.0-r6 compiled with USE: dri
input_devices_joystick input_devices_keyboard input_devices_mouse
input_devices_synaptics ipv6 nptl sdl video_cards_nv video_cards_nvidia
video_cards_vesa xorg xprint
I generated all possible locales with locale-gen -A
I use fluxbox-1.0.0-r2
Any help is greatly appreciated
Zdenek Travnicek
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<div dir="ltr">Hello,<br><br>I've installed new laptop few weeks ago and everything is running fine except for all (most?) X applications taking few seconds to start. <br>I've tracked the problem down with ltrace to "XCreateFontSet()" call that blocks for more than 2 seconds.<br>
Searching on google lead me some forums about problem with this call and UTF-8 encodings.<br>Further tests showed that the problem is related only to having locale set to en_US.UTF-8.<br>Setting locale to anything else seems to solve it (even en_US)<br>
<br>$ time LC_ALL=en_US.UTF-8 xterm -e echo<br>real 0m2.422s<br>user 0m0.010s<br>sys 0m0.012s<br><br>$ time LC_ALL=cs_CZ.UTF-8 xterm -e echo<br><br>real 0m0.065s<br>user 0m0.048s<br>sys 0m0.010s<br><br>
That's probably the reason I never saw it before, I usually have some non-english locale on my system. (czech/japanese/russian, none of them affected)<br>Specificaly, it seems to be related to LC_CTYPE setting. <br><br>
strace shows lots output similar to:<br>poll([{fd=3, events=POLLIN, revents=POLLIN}], 1, -1) = 1<br>
read(3, "\1\0\212\0\0\0\0\0\0\0\351\0\0\0\0\0\1\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0", 32) = 32<br>writev(3, [{"1\1\t\0\1\0\32\0", 8}, {"*-*-*-*-*-*-KSC5601.1987-0", 26}, {"\0\0", 2}], 3) = 36<br>
read(3, 0x7fff831995a0, 32) = -1 EAGAIN (Resource temporarily unavailable)<br><br><br>I tried to generate al locales with 'locale-gen -A' and to install some other fonts (to have the same font set as on other machine where it works fine) and nothing helped at all.<br>
<br>Any ideas how can I solve it?<br>Does it mean that I'm missing some fonts? Or something else? I'm running out of ideas what to try...<br><br><br>my X server is xorg-server-1.3.0.0-r6 compiled with USE: dri input_devices_joystick input_devices_keyboard input_devices_mouse input_devices_synaptics ipv6 nptl sdl video_cards_nv video_cards_nvidia video_cards_vesa xorg xprint<br>
I generated all possible locales with locale-gen -A<br>I use fluxbox-1.0.0-r2<br><br>Any help is greatly appreciated <br><br>Zdenek Travnicek<br><br></div>
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