Your message dated Sat, 21 Feb 2026 18:40:57 +0000
with message-id <[email protected]>
and subject line Re: Bug#607304: dosbox: locks up because SDL tries to access
cdrom
has caused the Debian Bug report #607304,
regarding dosbox: locks up because SDL tries to access cdrom
to be marked as done.
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--
607304: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=607304
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: libsdl1.2
Severity: grave
Tags: upstream
Justification: renders package unusable
This is actually Bug 487811 reported on Dosbox:
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=487811
Afflicts all kernels above 2.6.27-something. This happens on
starting dosbox:
read(5, "# /etc/fstab: static file system"..., 4096) = 806
read(5, "", 4096) = 0
close(5) = 0
munmap(0xb781b000, 4096) = 0
stat64("/dev/cdrom", 0xbfc6030c) = -1 ENOENT (No such file or directory)
stat64("/dev/hda", {st_mode=S_IFBLK|0660, st_rdev=makedev(3, 0), ...}) = 0
open("/dev/hda", O_RDONLY|O_NONBLOCK
And stays there. And gets you an un-killable process hanging:
root 27380 0.0 0.0 5124 664 ? D Dec10 0:00 udisks-daemon:
polling /dev/hda
Proposed Fix: Add an environment variable:
It should not eb a problem to put something like this into
SDL_SYS_CDInit(void) of src/cdrom/linux/SDL_syscdrom.c,
making it at least possible for those affected to completely
turn off cdrom-detection without recompiling.
SDLcdromNone = SDL_getenv("SDL_CDROM_NONE");
if ( SDLcdromNone != NULL ) {
return(-1);
}
-- System Information:
Debian Release: 6.0
APT prefers unstable
APT policy: (700, 'unstable'), (500, 'experimental'), (500, 'testing')
Architecture: i386 (i686)
Kernel: Linux 2.6.36.1 (SMP w/2 CPU cores; PREEMPT)
Locale: LANG=en_GB.ISO-8859-1, LC_CTYPE=en_GB.ISO-8859-1 (charmap=ISO-8859-1)
Shell: /bin/sh linked to /bin/dash
--- End Message ---
--- Begin Message ---
On Thu, 16 Dec 2010 at 21:17:57 +0100, Peter Keel wrote:
Afflicts all kernels above 2.6.27-something. This happens on
starting dosbox:
read(5, "# /etc/fstab: static file system"..., 4096) = 806
read(5, "", 4096) = 0
close(5) = 0
munmap(0xb781b000, 4096) = 0
stat64("/dev/cdrom", 0xbfc6030c) = -1 ENOENT (No such file or directory)
stat64("/dev/hda", {st_mode=S_IFBLK|0660, st_rdev=makedev(3, 0), ...}) = 0
open("/dev/hda", O_RDONLY|O_NONBLOCK
And stays there. And gets you an un-killable process hanging
SDL no longer supports accessing real hardware CD drives in this way, so
this bug report is no longer applicable.
smcv
--- End Message ---
