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and subject line Bug#279974: fixed in console-tools 1:0.2.3dbs-56
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Date: Sat, 6 Nov 2004 15:56:29 +0300
From: Sergei Ivanov <[EMAIL PROTECTED]>
To: Debian Bug Tracking System <[EMAIL PROTECTED]>
Subject: console-tools: randomly fails to read compressed files
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Package: console-tools
Version: 1:0.2.3dbs-55
Severity: normal
Tags: patch
consolechars sometimes fails to load gzipped data files.
For example, when I run
~$ consolechars -v -u alt
the output is either like this:
Reading screen-font map from /usr/share/consoletrans/alt.sfm.gz.
Setting kernel SFM.
(which is fine), or like this:
Reading screen-font map from /usr/share/consoletrans/alt.sfm.gz.
and in this case, the SFM is not loaded.
The latter happens with probability >50% on my system.
I traced this down and found the reason. The program receives SIGCHLD
(when a decompressing process finishes). The signal handler interrupts
system calls. The reading routine is not prepared for that and fails
with EINTR. In the above example, the first fgets() in sfm_read_ascii()
returns 0 and the program goes on as if the file was empty.
Whether this happens is a race condition.
Setting a signal handler with SA_RESTART fixes the problem.
A patch follows.
--- console-tools-0.2.3/lib/findfile.c.-old 2004-11-05 23:59:59.000000000
+0300
+++ console-tools-0.2.3/lib/findfile.c 2004-11-05 22:43:17.000000000 +0300
@@ -687,6 +687,7 @@
{
memset (&sa, 0, sizeof (sa));
sa.sa_handler = chld_handler;
+ sa.sa_flags = SA_RESTART;
sigaction (SIGCHLD, &sa, &old_sa);
}
-- System Information:
Debian Release: 3.1
APT prefers testing
APT policy: (500, 'testing')
Architecture: i386 (i686)
Kernel: Linux 2.4.25
Locale: LANG=C, LC_CTYPE=ru_RU.KOI8-R
Versions of packages console-tools depends on:
ii console-common 0.7.38 Basic infrastructure for text cons
ii debconf 1.4.30.8 Debian configuration management sy
ii libc6 2.3.2.ds1-18 GNU C Library: Shared libraries an
ii libconsole 1:0.2.3dbs-55 Shared libraries for Linux console
ii sysvinit 2.85-15 System-V like init
-- no debconf information
---------------------------------------
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From: Alastair McKinstry <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED]
X-Katie: $Revision: 1.55 $
Subject: Bug#279974: fixed in console-tools 1:0.2.3dbs-56
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Date: Sat, 05 Feb 2005 05:32:15 -0500
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Source: console-tools
Source-Version: 1:0.2.3dbs-56
We believe that the bug you reported is fixed in the latest version of
console-tools, which is due to be installed in the Debian FTP archive:
console-tools-dev_0.2.3dbs-56_i386.deb
to pool/main/c/console-tools/console-tools-dev_0.2.3dbs-56_i386.deb
console-tools_0.2.3dbs-56.dsc
to pool/main/c/console-tools/console-tools_0.2.3dbs-56.dsc
console-tools_0.2.3dbs-56.tar.gz
to pool/main/c/console-tools/console-tools_0.2.3dbs-56.tar.gz
console-tools_0.2.3dbs-56_i386.deb
to pool/main/c/console-tools/console-tools_0.2.3dbs-56_i386.deb
kbd-compat_0.2.3dbs-56_all.deb
to pool/main/c/console-tools/kbd-compat_0.2.3dbs-56_all.deb
libconsole_0.2.3dbs-56_i386.deb
to pool/main/c/console-tools/libconsole_0.2.3dbs-56_i386.deb
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to [EMAIL PROTECTED],
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Alastair McKinstry <[EMAIL PROTECTED]> (supplier of updated console-tools
package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing [EMAIL PROTECTED])
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
Format: 1.7
Date: Sat, 5 Feb 2005 10:07:48 +0000
Source: console-tools
Binary: kbd-compat console-tools-dev libconsole console-tools
Architecture: source all i386
Version: 1:0.2.3dbs-56
Distribution: unstable
Urgency: low
Maintainer: Alastair McKinstry <[EMAIL PROTECTED]>
Changed-By: Alastair McKinstry <[EMAIL PROTECTED]>
Description:
console-tools - Linux console and font utilities
console-tools-dev - Development files for Linux console and font manipulation
kbd-compat - Wrappers around console-tools for backward compatibility with `kb
libconsole - Shared libraries for Linux console and font manipulation
Closes: 263580 267012 273590 274454 279974 283536 284705 288665 292112
Changes:
console-tools (1:0.2.3dbs-56) unstable; urgency=low
.
* Dropped console_ioctls.4 man page; its a duplicate of the console_ioctl.4
man page in manpages package.
* Fixed typo in splitfont.1 man page. Thanks to Nicolas Francois.
Closes: #274454.
* Fix fgconsole man page to show 'next-available' instead of
'show-available'. Closes: #267012.
* Fix for Caps-lock unicode/ascii breakage. Thanks to Darren Salt.
Closes: #263580.
* Fix race condition where SIGCHLD breaks system calls wih EINTR.
Patch thanks to Sergei Ivanov. Closes: #279974.
* Typos, in console-tools config. Closes: #283536, #288665.
* debian/console-screen.sh: Don't generate errors when
LANG/LC_ALL/LC_CTYPE is set more than once in /etc/environment.
Thanks to Ubuntu and Nikita V. Youshchenko. Closes: #273590, #292112.
* Patch to allow cross-building from NIIBE Yutaka. Closes: #284705.
Files:
c7af5e19bd4541d3420bdb46cb5fd4c7 643 base important
console-tools_0.2.3dbs-56.dsc
e71ead24644d3d6c77563540df0800bd 1470398 base important
console-tools_0.2.3dbs-56.tar.gz
eca7577b29627d85afcc88493116c7b7 42694 utils optional
kbd-compat_0.2.3dbs-56_all.deb
8a5524bcc0b6d861b6464dc6f6694739 295520 utils important
console-tools_0.2.3dbs-56_i386.deb
0d5515c75fd6f9c86e60d56176ecadd5 127694 libs important
libconsole_0.2.3dbs-56_i386.deb
444d86d560a1e72d441785d970e2b18b 84044 devel optional
console-tools-dev_0.2.3dbs-56_i386.deb
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