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Bug 83372 - cdemu-0.7 causing system freeze
Summary: cdemu-0.7 causing system freeze
Status: RESOLVED UPSTREAM
Alias: None
Product: Gentoo Linux
Classification: Unclassified
Component: Current packages (show other bugs)
Hardware: x86 Linux
: High normal (vote)
Assignee: SpanKY
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2005-02-26 06:44 UTC by David Raison
Modified: 2005-10-31 11:14 UTC (History)
1 user (show)

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


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Description David Raison 2005-02-26 06:44:59 UTC
cdemu emerges perfectly well on my system.
I'm loading the module in modules.autoload.d, no problems either.
loading an image file and mounting the fake device does work too. I added the following entry to my /etc/fstab (note that I'm using udev, but the problem occured with devfs too, so I don't think that's related.)
/dev/cdemu0     /mnt/virtcd     iso9660         noauto,ro,user  0 0

but here it comes: whenever I try to read from the mounted device, after a short while my system freezes in a strange way: every command I issue and that does sth. to my filesystem (read or write) freezes before outputting anything. (my cp -gr command for example simply stalled at 54%) Ctrl-C'ing doesn't help, kill -9 neither. There's nothing in my /var/log/messages
I then have to hard-reset my system because reboot doesn't work anymore.

Please request any additional information that you require!


Reproducible: Always
Steps to Reproduce:
1. emerge cdemu
2. modprobe cdemu or autoload
3. ~# cdemu 0 image.cue
4. mount /dev/cdemu0 /mnt/virtcd
5. cp -gr /mnt/virtcd ~/temp or sh /mnt/virtcd/setup.sh

Actual Results:  
system freeze

Expected Results:  
read data

Portage 2.0.51-r15 (default-linux/x86/2004.2, gcc-3.4.3-20050110, glibc-2.3.4.20
050125-r0, 2.6.10-gentoo-r7 i686)
=================================================================
System uname: 2.6.10-gentoo-r7 i686 Intel(R) Pentium(R) M processor 1500MHz
Gentoo Base System version 1.6.9
Python:              dev-lang/python-2.3.5 [2.3.5 (#1, Feb 17 2005, 22:48:09)]
ccache version 2.3 [enabled]
dev-lang/python:     2.3.5
sys-devel/autoconf:  2.13, 2.59-r6
sys-devel/automake:  1.8.5-r3, 1.9.4, 1.7.9-r1, 1.5, 1.4_p6, 1.6.3
sys-devel/binutils:  2.15.92.0.2-r4
sys-devel/libtool:   1.5.10-r5
virtual/os-headers:  2.4.22-r1
ACCEPT_KEYWORDS="x86 ~x86"
AUTOCLEAN="yes"
CFLAGS="-O2 -march=i686 -fomit-frame-pointer"
CHOST="i686-pc-linux-gnu"
CONFIG_PROTECT="/etc /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/X11/xkb /usr/shar
e/config /var/qmail/control"
CONFIG_PROTECT_MASK="/etc/gconf /etc/terminfo /etc/env.d"
CXXFLAGS="-O2 -march=i686 -fomit-frame-pointer"
DISTDIR="/usr/portage/distfiles"
FEATURES="autoaddcvs autoconfig ccache distlocks sandbox sfperms"
GENTOO_MIRRORS="http://gentoo.inode.at/ ftp://ftp.easynet.nl/mirror/gentoo/ http
://gentoo.mirror.icd.hu/ http://ftp.easynet.nl/mirror/gentoo/"
MAKEOPTS="-j2"
PKGDIR="/usr/portage/packages"
PORTAGE_TMPDIR="/var/tmp"
PORTDIR="/usr/portage"
PORTDIR_OVERLAY="/usr/local/portage"
SYNC="rsync://rsync.gentoo.org/gentoo-portage"
USE="x86 X acpi alsa apache2 apm avi bitmap-fonts cdr crypt cups curl divx4linux
 dvd dvdr emboss encode f77 fam flac font-server foomaticdb fortran gd gif gimp
gimpprint gpm gtk gtk2 guile imagemagick imlib ipv6 java jpeg ldap libg++ libwww
 mad matroska mikmod mmx motif mp3 mpeg msn mysql ncurses nls nvidia oggvorbis o
pengl oscar pam pdflib perl php png ppds python quicktime readline samba scanner
 sdl session slang snmp spell sse sse2 ssl svga tcltk tcpd tiff truetype truetyp
e-fonts type1-fonts usb xml xml2 xmms xv xvid zlib"
Unset:  ASFLAGS, CBUILD, CTARGET, LANG, LC_ALL, LDFLAGS
Comment 1 SpanKY gentoo-dev 2005-02-28 15:12:30 UTC
i know, read the cdemu mailing list
Comment 2 Alexandru Toma 2005-10-31 11:14:31 UTC
Same problem here.