Package: texlive-binaries
Version: 2009-5
Severity: minor
If I install software inside a chroot (squeeze) environment, sometimes
kpsewhich runs into an endless loop and hangs. This is some part of
the output:
Processing triggers for tex-common ...
Running mktexlsr. This may take some time... done.
Setting up texlive-base (2009-8) ...
Running mktexlsr. This may take some time... done.
Building format(s) --all --cnffile /etc/texmf/fmt.d/10texlive-base.cnf.
This may take some time... done.
Processing triggers for tex-common ...
Running updmap-sys. This may take some time... done.
<HERE IT HANGS>
I can strace the kpsewhich process and it shows following:
stat64("./sys/devices/platform/pcspkr/input:input4/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/input4/input:event4/subsystem/input3",
{st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
open("./sys/devices/platform/pcspkr/input:input4/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/input4/input:event4/subsystem/input3/",
O_RDONLY|O_NONBLOCK|O_LARGEFILE|O_DIRECTORY|O_CLOEXEC) = 86
getdents(86, /* 16 entries */, 32768) = 312
stat64("./sys/devices/platform/pcspkr/input:input4/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/input4/input:event4/subsystem/input3/uevent",
{st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
stat64("./sys/devices/platform/pcspkr/input:input4/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/mice/subsystem/input4/input:event4/subsystem/input3/subsystem",
0xbfff5ee4) = -1 ELOOP (Too many levels of symbolic links)
These processes are running:
suenner[~]# ps -efl|grep kpsew
0 R root 24037 23532 45 80 0 - 23074 - 16:20 pts/3 00:01:08
kpsewhich language.def
0 S root 23532 23529 0 80 0 - 442 - 16:20 pts/3 00:00:00
/bin/sh -e /var/lib/dpkg/info/tex-common.postinst triggered texmf-hyphen
texmf-map
0 S root 23529 8132 0 80 0 - 2405 - 16:20 pts/3 00:00:00
/usr/bin/perl -w /usr/share/debconf/frontend
/var/lib/dpkg/info/tex-common.postinst triggered texmf-hyphen texmf-map
Inside the chroot, these filesystems are mounted.
proc on /proc type proc (rw)
sysfs on /sys type sysfs (rw)
There's a symlink loop in the host system (lenny)
# cd /sys/class/input/
# ls -l
total 0
-r--r--r-- 1 root root 4096 2010-05-04 16:20 dev
drwxr-xr-x 2 root root 0 2010-05-04 16:20 power
lrwxrwxrwx 1 root root 0 2010-05-04 16:20 subsystem -> ../../input
-rw-r--r-- 1 root root 4096 2010-05-04 16:20 uevent
I think kpsewhich should never search in /sys. Also /proc and other
directories may be omitted.
--
regards Thomas
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