Since my upgrade from F14 to F16, cups-polld starting getting very unreliable. Every time I try to use the printer it's supposed to poll for, I find it missing. Restarting cups fixes thing, but some time later the problem is back again. I have this in cupsd.conf: BrowsePoll 10.8.3.26 And this is what I get in error_log: E [03/Mar/2012:10:59:06 +0100] [cups-polld 10.8.3.26:631] CUPS-Get-Printers failed: Success E [03/Mar/2012:10:59:36 +0100] [cups-polld 10.8.3.26:631] CUPS-Get-Printers failed: Success E [03/Mar/2012:11:00:06 +0100] [cups-polld 10.8.3.26:631] CUPS-Get-Printers failed: Success E [03/Mar/2012:11:00:36 +0100] [cups-polld 10.8.3.26:631] CUPS-Get-Printers failed: Success E [03/Mar/2012:11:01:06 +0100] [cups-polld 10.8.3.26:631] CUPS-Get-Printers failed: Success E [03/Mar/2012:11:01:36 +0100] [cups-polld 10.8.3.26:631] CUPS-Get-Printers failed: Success E [03/Mar/2012:11:02:06 +0100] [cups-polld 10.8.3.26:631] CUPS-Get-Printers failed: Success E [03/Mar/2012:11:02:36 +0100] [cups-polld 10.8.3.26:631] CUPS-Get-Printers failed: Success E [03/Mar/2012:11:03:06 +0100] [cups-polld 10.8.3.26:631] CUPS-Get-Printers failed: Success E [03/Mar/2012:11:03:36 +0100] [cups-polld 10.8.3.26:631] CUPS-Get-Printers failed: Success tcpdump shows nothing, so it isn't even trying to poll the other server. This is what an strace of cups-polld gives: write(2, "ERROR: [cups-polld 10.8.3.26:631"..., 68) = 68 rt_sigprocmask(SIG_BLOCK, [CHLD], [], 8) = 0 rt_sigaction(SIGCHLD, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 nanosleep({30, 0}, 0x7fffbded5fa0) = 0 write(2, "ERROR: [cups-polld 10.8.3.26:631"..., 68) = 68 rt_sigprocmask(SIG_BLOCK, [CHLD], [], 8) = 0 rt_sigaction(SIGCHLD, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 nanosleep({30, 0}, 0x7fffbded5fa0) = 0 write(2, "ERROR: [cups-polld 10.8.3.26:631"..., 68) = 68 rt_sigprocmask(SIG_BLOCK, [CHLD], [], 8) = 0 rt_sigaction(SIGCHLD, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 nanosleep({30, 0}, 0x7fffbded5fa0) = 0 write(2, "ERROR: [cups-polld 10.8.3.26:631"..., 68) = 68 rt_sigprocmask(SIG_BLOCK, [CHLD], [], 8) = 0 rt_sigaction(SIGCHLD, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 nanosleep({30, 0}, This is a laptop so it might be networks going up and down, or suspend, that's breaking it.
The fix for this has already been checked in. When there is a test update you'll see a comment about it here.
cups-1.5.2-6.fc17 has been submitted as an update for Fedora 17. https://admin.fedoraproject.org/updates/cups-1.5.2-6.fc17
cups-1.5.2-6.fc16 has been submitted as an update for Fedora 16. https://admin.fedoraproject.org/updates/cups-1.5.2-6.fc16
Package cups-1.5.2-6.fc17: * should fix your issue, * was pushed to the Fedora 17 testing repository, * should be available at your local mirror within two days. Update it with: # su -c 'yum update --enablerepo=updates-testing cups-1.5.2-6.fc17' as soon as you are able to. Please go to the following url: https://admin.fedoraproject.org/updates/FEDORA-2012-3811/cups-1.5.2-6.fc17 then log in and leave karma (feedback).
cups-1.5.2-6.fc16 has been pushed to the Fedora 16 stable repository. If problems still persist, please make note of it in this bug report.
cups-1.5.2-6.fc17 has been pushed to the Fedora 17 stable repository. If problems still persist, please make note of it in this bug report.