*** This bug is a duplicate of bug 39069 ***
Same thing here I believe. Used to work until a recent update. Sorry about
the long output below, but I enabled debug and don't know exactly what is
happening, so here it goes from '/var/log/cups/error_log':
D [12/Apr/2006:15:07:40 +0200] cupsdReadClient: 4 POST / HTTP/1.1
E [12/Apr/2006:15:07:40 +0200] cupsdAuthorize: Local authentication certificate
not found!
D [12/Apr/2006:15:07:40 +0200] cupsdProcessIPPRequest: 4 status_code=0
(successful-ok)
D [12/Apr/2006:15:07:40 +0200] cupsdCloseClient: 7
D [12/Apr/2006:15:07:40 +0200] cupsdReadClient: 4 POST / HTTP/1.1
E [12/Apr/2006:15:07:40 +0200] cupsdAuthorize: Local authentication certificate
not found!
D [12/Apr/2006:15:07:40 +0200] cupsdProcessIPPRequest: 4 status_code=1
(successful-ok-ignored-or-substituted-attributes)
D [12/Apr/2006:15:07:40 +0200] cupsdReadClient: 4 POST / HTTP/1.1
E [12/Apr/2006:15:07:40 +0200] cupsdAuthorize: Local authentication certificate
not found!
D [12/Apr/2006:15:07:40 +0200] cupsdProcessIPPRequest: 4 status_code=1
(successful-ok-ignored-or-substituted-attributes)
D [12/Apr/2006:15:07:41 +0200] cupsdReadClient: 4 POST / HTTP/1.1
E [12/Apr/2006:15:07:41 +0200] cupsdAuthorize: Local authentication certificate
not found!
D [12/Apr/2006:15:07:41 +0200] cupsdProcessIPPRequest: 4 status_code=1
(successful-ok-ignored-or-substituted-attributes)
D [12/Apr/2006:15:07:45 +0200] cupsdReadClient: 4 POST / HTTP/1.1
E [12/Apr/2006:15:07:45 +0200] cupsdAuthorize: Local authentication certificate
not found!
D [12/Apr/2006:15:07:45 +0200] cupsdProcessIPPRequest: 4 status_code=0
(successful-ok)
D [12/Apr/2006:15:07:45 +0200] cupsdReadClient: 4 POST / HTTP/1.1
E [12/Apr/2006:15:07:45 +0200] cupsdAuthorize: Local authentication certificate
not found!
D [12/Apr/2006:15:07:45 +0200] cupsdProcessIPPRequest: 4 status_code=1
(successful-ok-ignored-or-substituted-attributes)
D [12/Apr/2006:15:07:45 +0200] cupsdReadClient: 4 POST / HTTP/1.1
E [12/Apr/2006:15:07:45 +0200] cupsdAuthorize: Local authentication certificate
not found!
D [12/Apr/2006:15:07:45 +0200] cupsdProcessIPPRequest: 4 status_code=1
(successful-ok-ignored-or-substituted-attributes)
D [12/Apr/2006:15:07:45 +0200] cupsdReadClient: 4 POST / HTTP/1.1
E [12/Apr/2006:15:07:45 +0200] cupsdAuthorize: Local authentication certificate
not found!
D [12/Apr/2006:15:07:45 +0200] cupsdProcessIPPRequest: 4 status_code=1
(successful-ok-ignored-or-substituted-attributes)
D [12/Apr/2006:15:07:48 +0200] cupsdReadClient: 5 POST /admin HTTP/1.1
D [12/Apr/2006:15:07:48 +0200] cupsdAuthorize: No authentication data provided.
D [12/Apr/2006:15:07:48 +0200] CGI /usr/lib/cups/cgi-bin/admin.cgi started -
PID = 22068
I [12/Apr/2006:15:07:48 +0200] Started /usr/lib/cups/cgi-bin/admin.cgi
(pid=22068)
D [12/Apr/2006:15:07:48 +0200] cupsdSendCommand: 5 file=8
D [12/Apr/2006:15:07:48 +0200] cupsdAcceptClient: 7 from localhost:631 (IPv4)
D [12/Apr/2006:15:07:48 +0200] cupsdReadClient: 7 POST / HTTP/1.1
D [12/Apr/2006:15:07:48 +0200] cupsdAuthorize: No authentication data provided.
D [12/Apr/2006:15:07:48 +0200] cupsdProcessIPPRequest: 7 status_code=0
(successful-ok)
D [12/Apr/2006:15:07:48 +0200] cupsdReadClient: 7 GET /printers/HPLaserJet.ppd
HTTP/1.1
D [12/Apr/2006:15:07:48 +0200] cupsdAuthorize: No authentication data provided.
D [12/Apr/2006:15:07:48 +0200] cupsdSendFile: 7 file=10
D [12/Apr/2006:15:07:48 +0200] cupsdReadClient: 7 POST / HTTP/1.1
D [12/Apr/2006:15:07:48 +0200] cupsdAuthorize: No authentication data provided.
D [12/Apr/2006:15:07:48 +0200] CGI /usr/lib/cups/daemon/cups-driverd started -
PID = 22069
I [12/Apr/2006:15:07:48 +0200] Started /usr/lib/cups/daemon/cups-driverd
(pid=22069)
D [12/Apr/2006:15:07:48 +0200] cupsdSendCommand: 7 file=11
D [12/Apr/2006:15:07:50 +0200] cupsdReadClient: 4 POST / HTTP/1.1
E [12/Apr/2006:15:07:50 +0200] cupsdAuthorize: Local authentication certificate
not found!
D [12/Apr/2006:15:07:50 +0200] cupsdProcessIPPRequest: 4 status_code=0
(successful-ok)
E [12/Apr/2006:15:07:50 +0200] [cups-driverd] Unable to open driver directory
/usr/lib/cups/driver: No such file or directory
D [12/Apr/2006:15:07:50 +0200] cupsdReadClient: 4 POST / HTTP/1.1
E [12/Apr/2006:15:07:50 +0200] cupsdAuthorize: Local authentication certificate
not found!
D [12/Apr/2006:15:07:50 +0200] cupsdProcessIPPRequest: 4 status_code=1
(successful-ok-ignored-or-substituted-attributes)
D [12/Apr/2006:15:07:50 +0200] cupsdReadClient: 4 POST / HTTP/1.1
E [12/Apr/2006:15:07:50 +0200] cupsdAuthorize: Local authentication certificate
not found!
D [12/Apr/2006:15:07:50 +0200] cupsdProcessIPPRequest: 4 status_code=1
(successful-ok-ignored-or-substituted-attributes)
D [12/Apr/2006:15:07:50 +0200] cupsdReadClient: 4 POST / HTTP/1.1
E [12/Apr/2006:15:07:50 +0200] cupsdAuthorize: Local authentication certificate
not found!
D [12/Apr/2006:15:07:50 +0200] cupsdProcessIPPRequest: 4 status_code=1
(successful-ok-ignored-or-substituted-attributes)