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Bug 77177 - cups blocks parallel port
Summary: cups blocks parallel port
Alias: None
Product: Red Hat Linux
Classification: Retired
Component: cups
Version: 8.0
Hardware: i386
OS: Linux
Target Milestone: ---
Assignee: Tim Waugh
QA Contact:
Depends On:
TreeView+ depends on / blocked
Reported: 2002-11-02 11:45 UTC by Need Real Name
Modified: 2008-05-01 15:38 UTC (History)
0 users

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Last Closed: 2003-04-09 16:10:13 UTC

Attachments (Terms of Use)

Description Need Real Name 2002-11-02 11:45:02 UTC
Cups 1.1.14 1.1.15 and 1.1.16
often block parallel port after a print job is removed.

The lprm command often leaves parallel port in busy state because of process

parallel:/dev/lp0 288 root 1

is still running.
I am not sure about the other backends, but they seems have the same problem
as parallel.

To reproduce: Print a file to a printer that is out of a paper.
Then, even after a job is removed, the process parallel is still running.

[root@ tty]#lpq -Plp
lp is ready and printing
Rank    Owner   Job     File(s)                         Total Size
active  root    289                    15360 bytes
[root@ tty]# lprm -Plp 289
[root@ tty]# lpq -Plp
lp is ready
no entries
[root@ tty]# ps axuww|grep parall
root      1263  0.0  0.5  2696  684 ?        S    04:55   0:00 parallel:/dev/lp0
289 root 1 

this process block other printing job accessing parallel port.

Comment 1 Tim Waugh 2003-04-09 16:10:13 UTC
Pretty sure I fixed this in Red Hat Linux 9.  Please reopen if you still see
that behaviour.

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