Hi,

I'm including the output of my error_log once the problem is happening (now with the debug2 option activated). It goes over and over like the lines below till the harddisk is full (not funny):

d [22/May/2007:15:40:35 +0200] is_cgi: Returning 0...
D [22/May/2007:15:40:35 +0200] write_file: 1023 file=-1
D [22/May/2007:15:40:35 +0200] cupsdCloseClient: 1023
d [22/May/2007:15:40:35 +0200] cupsdCloseClient: Removing fd 1023 from InputSet and OutputSet...
d [22/May/2007:15:40:35 +0200] cupsdAcceptClient(lis=0x80a3758) 2 Clients = 1
D [22/May/2007:15:40:35 +0200] cupsdAcceptClient: 1023 from localhost:631 (IPv4)
d [22/May/2007:15:40:35 +0200] cupsdAcceptClient: 1023 connected to server on 127.0.0.1:631
d [22/May/2007:15:40:35 +0200] cupsdAcceptClient: Adding fd 1023 to InputSet...
d [22/May/2007:15:40:35 +0200] cupsdAcceptClient(lis=0x80a3758) 2 Clients = 2
E [22/May/2007:15:40:35 +0200] Unable to accept client connection - Too many open files.
d [22/May/2007:15:40:35 +0200] cupsdReadClient: 1023, used=0, file=-1 state=0
D [22/May/2007:15:40:35 +0200] cupsdReadClient: 1023 GET /printers/Business-Inkjet-2600.ppd HTTP/1.1
d [22/May/2007:15:40:35 +0200] cupsdFindBest: uri = "/printers/Business-Inkjet-2600"...
d [22/May/2007:15:40:35 +0200] cupsdFindBest: Location CUPS_INTERNAL_BROWSE_ACL Limit 0
d [22/May/2007:15:40:35 +0200] cupsdFindBest: Location /admin/conf Limit 7f
d [22/May/2007:15:40:35 +0200] cupsdFindBest: Location /admin Limit 7f
d [22/May/2007:15:40:35 +0200] cupsdFindBest: Location / Limit 7f
d [22/May/2007:15:40:35 +0200] cupsdFindBest: best = /
d [22/May/2007:15:40:35 +0200] cupsdAuthorize: con->uri="/printers/Business-Inkjet-2600.ppd", con->best=0x80a3b68(/)
d [22/May/2007:15:40:35 +0200] cupsdAuthorize: Authorization=""
D [22/May/2007:15:40:35 +0200] cupsdAuthorize: No authentication data provided.
d [22/May/2007:15:40:35 +0200] cupsdIsAuthorized: con->uri="/printers/Business-Inkjet-2600.ppd", con->best=0x80a3b68(/)
d [22/May/2007:15:40:35 +0200] cupsdIsAuthorized: level=AUTH_ANON, type=AUTH_NONE, satisfy=AUTH_SATISFY_ALL, num_names=0
d [22/May/2007:15:40:35 +0200] cupsdIsAuthorized: auth=AUTH_ALLOW...
d [22/May/2007:15:40:35 +0200] get_file: 1023 filename=/etc/cups/ppd/Business-Inkjet-2600.ppd size=47078
d [22/May/2007:15:40:35 +0200] is_cgi(con=0x814a5c0, filename="/etc/cups/ppd/Business-Inkjet-2600.ppd", filestats=0xbfeca7a8, type=unknown/unknown)
d [22/May/2007:15:40:35 +0200] is_cgi: Returning 0...
D [22/May/2007:15:40:35 +0200] write_file: 1023 file=-1
D [22/May/2007:15:40:35 +0200] cupsdCloseClient: 1023
d [22/May/2007:15:40:35 +0200] cupsdCloseClient: Removing fd 1023 from InputSet and OutputSet...
d [22/May/2007:15:40:35 +0200] cupsdAcceptClient(lis=0x80a3758) 2 Clients = 1
D [22/May/2007:15:40:35 +0200] cupsdAcceptClient: 1023 from localhost:631 (IPv4)
d [22/May/2007:15:40:35 +0200] cupsdAcceptClient: 1023 connected to server on 127.0.0.1:631
d [22/May/2007:15:40:35 +0200] cupsdAcceptClient: Adding fd 1023 to InputSet...
d [22/May/2007:15:40:35 +0200] cupsdAcceptClient(lis=0x80a3758) 2 Clients = 2
E [22/May/2007:15:40:35 +0200] Unable to accept client connection - Too many open files.
d [22/May/2007:15:40:35 +0200] cupsdReadClient: 1023, used=0, file=-1 state=0
D [22/May/2007:15:40:35 +0200] cupsdReadClient: 1023 GET /printers/LaserJet-4200.ppd HTTP/1.1
d [22/May/2007:15:40:35 +0200] cupsdFindBest: uri = "/printers/LaserJet-4200"...
d [22/May/2007:15:40:35 +0200] cupsdFindBest: Location CUPS_INTERNAL_BROWSE_ACL Limit 0
d [22/May/2007:15:40:35 +0200] cupsdFindBest: Location /admin/conf Limit 7f
d [22/May/2007:15:40:35 +0200] cupsdFindBest: Location /admin Limit 7f
d [22/May/2007:15:40:35 +0200] cupsdFindBest: Location / Limit 7f
d [22/May/2007:15:40:35 +0200] cupsdFindBest: best = /
d [22/May/2007:15:40:35 +0200] cupsdAuthorize: con->uri="/printers/LaserJet-4200.ppd", con->best=0x80a3b68(/)
d [22/May/2007:15:40:35 +0200] cupsdAuthorize: Authorization=""
D [22/May/2007:15:40:35 +0200] cupsdAuthorize: No authentication data provided.
d [22/May/2007:15:40:35 +0200] cupsdIsAuthorized: con->uri="/printers/LaserJet-4200.ppd", con->best=0x80a3b68(/)
d [22/May/2007:15:40:35 +0200] cupsdIsAuthorized: level=AUTH_ANON, type=AUTH_NONE, satisfy=AUTH_SATISFY_ALL, num_names=0
d [22/May/2007:15:40:35 +0200] cupsdIsAuthorized: auth=AUTH_ALLOW...
d [22/May/2007:15:40:35 +0200] get_file: 1023 filename=/etc/cups/ppd/LaserJet-4200.ppd size=20666
d [22/May/2007:15:40:35 +0200] is_cgi(con=0x814a5c0, filename="/etc/cups/ppd/LaserJet-4200.ppd", filestats=0xbfeca7a8, type=unknown/unknown)
d [22/May/2007:15:40:35 +0200] is_cgi: Returning 0...
D [22/May/2007:15:40:35 +0200] write_file: 1023 file=-1
D [22/May/2007:15:40:35 +0200] cupsdCloseClient: 1023
d [22/May/2007:15:40:35 +0200] cupsdCloseClient: Removing fd 1023 from InputSet and OutputSet...
d [22/May/2007:15:40:35 +0200] cupsdAcceptClient(lis=0x80a3758) 2 Clients = 1
D [22/May/2007:15:40:35 +0200] cupsdAcceptClient: 1023 from localhost:631 (IPv4)
d [22/May/2007:15:40:35 +0200] cupsdAcceptClient: 1023 connected to server on 127.0.0.1:631
d [22/May/2007:15:40:35 +0200] cupsdAcceptClient: Adding fd 1023 to InputSet...
d [22/May/2007:15:40:35 +0200] cupsdAcceptClient(lis=0x80a3758) 2 Clients = 2
E [22/May/2007:15:40:35 +0200] Unable to accept client connection - Too many open files.
d [22/May/2007:15:40:35 +0200] cupsdReadClient: 1023, used=0, file=-1 state=0
D [22/May/2007:15:40:35 +0200] cupsdReadClient: 1023 GET /printers/Aficio-AP2000.ppd HTTP/1.1
d [22/May/2007:15:40:35 +0200] cupsdFindBest: uri = "/printers/Aficio-AP2000"...
d [22/May/2007:15:40:35 +0200] cupsdFindBest: Location CUPS_INTERNAL_BROWSE_ACL Limit 0
d [22/May/2007:15:40:35 +0200] cupsdFindBest: Location /admin/conf Limit 7f
d [22/May/2007:15:40:35 +0200] cupsdFindBest: Location /admin Limit 7f
d [22/May/2007:15:40:35 +0200] cupsdFindBest: Location / Limit 7f
d [22/May/2007:15:40:35 +0200] cupsdFindBest: best = /
d [22/May/2007:15:40:35 +0200] cupsdAuthorize: con->uri="/printers/Aficio-AP2000.ppd", con->best=0x80a3b68(/)
d [22/May/2007:15:40:35 +0200] cupsdAuthorize: Authorization=""
D [22/May/2007:15:40:35 +0200] cupsdAuthorize: No authentication data provided.
d [22/May/2007:15:40:35 +0200] cupsdIsAuthorized: con->uri="/printers/Aficio-AP2000.ppd", con->best=0x80a3b68(/)
d [22/May/2007:15:40:35 +0200] cupsdIsAuthorized: level=AUTH_ANON, type=AUTH_NONE, satisfy=AUTH_SATISFY_ALL, num_names=0
d [22/May/2007:15:40:35 +0200] cupsdIsAuthorized: auth=AUTH_ALLOW...
d [22/May/2007:15:40:35 +0200] get_file: 1023 filename=/etc/cups/ppd/Aficio-AP2000.ppd size=11129
d [22/May/2007:15:40:35 +0200] is_cgi(con=0x814a5c0, filename="/etc/cups/ppd/Aficio-AP2000.ppd", filestats=0xbfeca7a8, type=unknown/unknown)