Bug 151500

I think this is a kernel problem, but I want to make sure.

Please try this, as root:

chmod -x /usr/lib/cups/backend/*
chmod +x /usr/lib/cups/backend/ipp

Does this work around the problem? (You won't be able to print correctly until
the 'x' permission is added back to all of the backends.)

You are correct. It did not lock up the system when I changed the above permissions.

-jag

Okay, now please try enabling each backend, one by one, like this:

chmod +x /usr/lib/cups/backend/parallel

Each time, reboot and see if it works.  I'd like to narrow down the problem to a
particular backend.  Then we can see what it does to provoke the kernel problem.

So far, we know that the ipp backend does not provoke the problem, and that one
of the others does.

I have had similar behaviour on an HP Pavillion 6630.
kernel-2.6.10-1.770_FC3 (i686)
cups-1.1.22-0.rc1.8.5

I followed the above instructions (i.e., only enable the IPP backend) and
booting was fine.  I then enabled the parallel backend and the lockup came back.

So it would appear to be a problem with the parallel port support for newer
kernels.  The lockup does not occur with kernel-2.6.9-1.667.

Okay, definitely a kernel issue then.  Thanks for testing.

I know that FC4 is out, but the HP Pavillion 6630 machine that experiences this
problem has not been upgraded yet.  So, just for another data point, the problem
still persists for kernel-2.6.11-1.35_FC3 (i686).

An update has been released for Fedora Core 3 (kernel-2.6.12-1.1372_FC3) which
may contain a fix for your problem.   Please update to this new kernel, and
report whether or not it fixes your problem.

If you have updated to Fedora Core 4 since this bug was opened, and the problem
still occurs with the latest updates for that release, please change the version
field of this bug to 'fc4'.

Thank you.

I have now tried the new kernel-2.6.12-1.1372_FC3 and the lockup during boot
persists.

I just upgraded the HP Pavillion to kernel-2.6.12-1.1378_FC3 and
cups-1.1.22-0.rc1.8.7 and the lockup still occurs. 

This is a mass-update to all currently open Fedora Core 3 kernel bugs.

Fedora Core 3 support has transitioned to the Fedora Legacy project.
Due to the limited resources of this project, typically only
updates for new security issues are released.

As this bug isn't security related, it has been migrated to a
Fedora Core 4 bug.  Please upgrade to this newer release, and
test if this bug is still present there.

This bug has been placed in NEEDINFO_REPORTER state.
Due to the large volume of inactive bugs in bugzilla, if this bug is
still in this state in two weeks time, it will be closed.

Should this bug still be relevant after this period, the reporter
can reopen the bug at any time. Any other users on the Cc: list
of this bug can request that the bug be reopened by adding a
comment to the bug.

Thank you.

Unfortunately the HP Pavillion has been put to pasture and is unlikely to get to
the track again so I will not be able to verify if this bug exists in the FC4
kernels.

This is a mass-update to all currently open kernel bugs.

A new kernel update has been released (Version: 2.6.15-1.1830_FC4)
based upon a new upstream kernel release.

Please retest against this new kernel, as a large number of patches
go into each upstream release, possibly including changes that
may address this problem.

This bug has been placed in NEEDINFO_REPORTER state.
Due to the large volume of inactive bugs in bugzilla, if this bug is
still in this state in two weeks time, it will be closed.

Should this bug still be relevant after this period, the reporter
can reopen the bug at any time. Any other users on the Cc: list
of this bug can request that the bug be reopened by adding a
comment to the bug.

If this bug is a problem preventing you from installing the
release this version is filed against, please see bug 169613.

Thank you.

Closing per previous comment.