Followup: This is apparently caused by a change in the CUPS printing system, at cups-1.4.4. That is the current CUPS release.
Here is a reference I was given: https://bugzilla.novell.com/show_bug.cgi?id=617026
(It is not reported as a CUPS bug, but CUPS can apparently be patched to work around the issue with some applications.)
This is still the case with cups 1.4.5 and Adobe Reader 9.4 (under both Slackware 13.1 or -current)
there is not error message output from acroread, not even in .xsession-errors so identifying what the exact problem is rather difficult.
I am not sure that the issue mentioned on the novell link above is relevant as neither thunderbird or any other program have crash after printing on my install of slackware, only Adobe Reader.
If I can be of some help debug this thing before Reader X is released for linux let me know.
Hi Just an update on this.
This seems to now be fixed on slackware 13.1 and current.
It was indeed the same problem as described in the other threads. The reason it didn't crash firefox on default slackware is because it would only do so when gnome-vfs is installed (which doesn't come directly in the distro)
The cups package on 13.1 and current have just been updated to fix the problem and I have tested it with Reader 9.4.1 and can confirm the Reader doesn't crash anymore.
Sorry for the noise.
Thanks for the info, confirmed: cups-1.4.5-i486-2 which was just released for Slackware 13.1 (a non-security update; anyone who normally only watches for security updates wouldn't see this one) does fix the problem. Tested with Adobe Reader 9.4.1 (which for some reason seems not to be available from the Adobe download page for Linux - it still has 9.4, although 9.4.1 is indicated elsewhere as a critical security update).