This bug was fixed in the package cups-filters - 1.0.5-1
---
cups-filters (1.0.5-1) unstable; urgency=low
* New upstream release
- cups-filters 1.0.5 release
- pdftops: Added insertion of workaround PostScript code for printers
with bugs in their PS interpreters (LP: #
I have fixed the problem in cups-filters upstream (1.0.5) now. A Precise
package is on its way.
Thank you very much for all your work on finding this, Ulf!
** Changed in: cups-filters (Ubuntu)
Status: Triaged => Fix Committed
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** Changed in: cups-filters (Ubuntu)
Importance: Undecided => High
** Changed in: cups-filters (Ubuntu)
Assignee: (unassigned) => Till Kamppeter (till-kamppeter)
** Changed in: cups-filters (Ubuntu)
Milestone: None => ubuntu-12.04-beta-2
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Fix committed to cups-filters upstream.
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https://bugs.launchpad.net/bugs/936647
Title:
parallel goes into endless loop
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Ulf, thank you, so the patch will get forwarded upstream and added to
our package. Thank you very much for the debugging work.
The lpstat problem is already solved upstream
(http://www.cups.org/str.php?L4033), this will also go into our package.
** Changed in: cups-filters (Ubuntu)
Status:
One thing about where the stuff goes:
The parallel backend is upstream twice: For Ubuntu and Debian it is in
cups-filters and for all the other distros in cups. I will apply the
patch to cups-filters and report the problem to cups. From CUPS 1.6.x on
it will be only in cups-filters.
The lpstat pr
Yeah, the patch helps! Printing works again.
The other problem (authistic lpq and lpstat) remains and seems
completely unrelated, so I will file another bug for that.
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** Tags added: patch
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Title:
parallel goes into endless loop
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Ulf, can you apply the attached patch to parallel.c and see whether it
solves the problem? Thanks.
** Patch added: "parallel-backend-do-not-hang-on-sidechannel.patch"
https://bugs.launchpad.net/ubuntu/+source/cups-filters/+bug/936647/+attachment/2847254/+files/parallel-backend-do-not-hang-on-s
The parallel CUPS backend is in the cups-filters package from Precise
on, moving ...
** Package changed: cups (Ubuntu) => cups-filters (Ubuntu)
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Ti
I just compiled parallel.c with debug symbols, installed it and spooled
a test page. After it reached the endless loop, I attached gdb to the
process and got this backtrace:
#0 0x7f20b4d26a93 in select () from /lib/x86_64-linux-gnu/libc.so.6
#1 0x7f20b56901bd in run_loop (print_fd=0, dev
Stracing "lpq -a -l" ends with this:
socket(PF_FILE, SOCK_STREAM, 0) = 4
setsockopt(4, SOL_SOCKET, SO_REUSEADDR, [1], 4) = 0
setsockopt(4, SOL_TCP, TCP_NODELAY, [1], 4) = -1 EOPNOTSUPP (Operation not
supported)
fcntl(4, F_SETFD, FD_CLOEXEC) = 0
connect(4, {sa_family=AF_FILE, pat
I seem to suffer from the same problem, so here is what I could find out
so far. Attached with strace, this is the only thing that eats up all
CPU power:
[...]
select(6, [0 4], [], NULL, {5, 0}) = 2 (in [0 4], left {4, 98})
poll([{fd=4, events=POLLIN}], 1, 1000) = 1 ([{fd=4, revents=POLL
On 02/20/2012 08:11 PM, Till Kamppeter wrote:
> Never heard about such behavior, seems really to be the best to attach
> it with gdb. Can you do that? I do not have a parallel port printer.
>
Yes, I can do it. Just need to find the time. For now I reverted back my
cups version.
Thanks,
Bernd
Never heard about such behavior, seems really to be the best to attach
it with gdb. Can you do that? I do not have a parallel port printer.
** Changed in: cups (Ubuntu)
Status: New => Incomplete
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Title:
parallel goes into endless loop
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