Description of problem: I was able to print on my Epson Stylus CX3200 printer till I applied some latest updates for CUPS. Now it gives me the following error whenever I print or check on the printer status. [soam@amzone ~]$ lpstat -t scheduler is running system default destination: CX3200 device for CX3200: usb:/dev/usb/lp0 CX3200 accepting requests since Wed 31 May 2006 09:16:42 PM GST printer CX3200 disabled since Wed 31 May 2006 09:16:42 PM GST - Unable to open USB device "usb:/dev/usb/lp0": Permission denied [soam@amzone ~]$ On checking the permissions on lp0, no access is present. Giving complete permissions does not help either. Moreover, the settings are lost once I reboot. [root@amzone dev]# ls -l lp* crw-rw---- 1 root lp 6, 0 Jun 2 10:41 lp0 Version-Release number of selected component (if applicable): [root@amzone dev]# ls -l lp* crw-rw---- 1 root lp 6, 0 Jun 2 10:41 lp0 [root@amzone dev]# rpm -qa cups [root@amzone dev]# [root@amzone dev]# rpm -qa cups* cups-libs-1.2.1-1.2 cups-1.2.1-1.2 [root@amzone dev]# uname -a Linux amzone.localdomain.com 2.6.16-1.2111_FC5smp #1 SMP Thu May 4 21:35:09 EDT 2006 i686 i686 i386 GNU/Linux How reproducible: I can't print now. Steps to Reproduce: N/A Actual results: N/A Expected results: N/A Additional info: The file /etc/cups/printers.conf has below info:- [root@amzone cups]# more printers.conf # Printer configuration file for CUPS v1.2.0 # Written by cupsd on 2006-05-31 21:16 <DefaultPrinter CX3200> Info Epson printer Location Epson printer DeviceURI usb:/dev/usb/lp0 State Stopped StateMessage Unable to open USB device "usb:/dev/usb/lp0": Permission denied StateTime 1149095802 Accepting Yes Shared Yes JobSheets none none QuotaPeriod 0 PageLimit 0 KLimit 0 OpPolicy default ErrorPolicy stop-printer </Printer> The following details are shown when I try to print test page from CUPS:- d [02/Jun/2006:11:08:14 +0400] cupsdAcceptClient(lis=0x965e4a8) 2 Clients = 0 D [02/Jun/2006:11:08:14 +0400] cupsdAcceptClient: 5 from localhost:631 (IPv4) d [02/Jun/2006:11:08:14 +0400] cupsdAcceptClient: 5 connected to server on amzone.localdomain.com:631 d [02/Jun/2006:11:08:14 +0400] cupsdAcceptClient: Adding fd 5 to InputSet... d [02/Jun/2006:11:08:14 +0400] cupsdCheckJobs: 0 active jobs, sleeping=0, reload=0 d [02/Jun/2006:11:08:14 +0400] cupsdReadClient: 5, used=0, file=-1 state=0 D [02/Jun/2006:11:08:14 +0400] cupsdReadClient: 5 POST / HTTP/1.1 d [02/Jun/2006:11:08:14 +0400] cupsdFindBest: uri = "/"... d [02/Jun/2006:11:08:14 +0400] cupsdFindBest: Location /printers/stylus-cx3200-2 Limit 7f d [02/Jun/2006:11:08:14 +0400] cupsdFindBest: Location /printers/stylus-cx3200-1 Limit 7f d [02/Jun/2006:11:08:14 +0400] cupsdFindBest: Location /printers/stylus-cx3200--1 Limit 7f d [02/Jun/2006:11:08:14 +0400] cupsdFindBest: Location /printers/printer Limit 7f d [02/Jun/2006:11:08:14 +0400] cupsdFindBest: Location /printers/cx3200-t Limit 7f d [02/Jun/2006:11:08:14 +0400] cupsdFindBest: Location /printers/cx3200 Limit 7f d [02/Jun/2006:11:08:14 +0400] cupsdFindBest: Location /printers/CX3200 Limit 7f d [02/Jun/2006:11:08:14 +0400] cupsdFindBest: Location /admin Limit 7f d [02/Jun/2006:11:08:14 +0400] cupsdFindBest: Location / Limit 7f d [02/Jun/2006:11:08:14 +0400] cupsdFindBest: best = / d [02/Jun/2006:11:08:14 +0400] cupsdAuthorize: con->uri="/", con->best=0x9656838(/) d [02/Jun/2006:11:08:14 +0400] cupsdAuthorize: Authorization="" D [02/Jun/2006:11:08:14 +0400] cupsdAuthorize: No authentication data provided. d [02/Jun/2006:11:08:14 +0400] cupsdIsAuthorized: con->uri="/", con->best=0x9656838(/) d [02/Jun/2006:11:08:14 +0400] cupsdIsAuthorized: level=AUTH_ANON, type=AUTH_NONE, satisfy=AUTH_SATISFY_ALL, num_names=0 d [02/Jun/2006:11:08:14 +0400] cupsdIsAuthorized: auth=AUTH_ALLOW... d [02/Jun/2006:11:08:14 +0400] POST / d [02/Jun/2006:11:08:14 +0400] CONTENT_TYPE = application/ipp d [02/Jun/2006:11:08:14 +0400] cupsdReadClient: 5 con->data_encoding=HTTP_ENCODE_LENGTH, con->data_remaining=351, con->file=-1 d [02/Jun/2006:11:08:14 +0400] cupsdProcessIPPRequest(0x968f270[5]): operation_id = 4002 D [02/Jun/2006:11:08:14 +0400] CUPS-Get-Printers d [02/Jun/2006:11:08:14 +0400] get_printers(0x968f270[5], 0) d [02/Jun/2006:11:08:14 +0400] cupsdFindPolicyOp(p=0x96579d8, op=4002(CUPS-Get-Printers)) d [02/Jun/2006:11:08:14 +0400] cupsdFindPolicyOp: Found wildcard match... d [02/Jun/2006:11:08:14 +0400] cupsdIsAuthorized: con->uri="/", con->best=0x9658ba0((null)) d [02/Jun/2006:11:08:14 +0400] cupsdIsAuthorized: level=AUTH_ANON, type=AUTH_NONE, satisfy=AUTH_SATISFY_ALL, num_names=0 d [02/Jun/2006:11:08:14 +0400] cupsdIsAuthorized: op=0(unknown-0000) d [02/Jun/2006:11:08:14 +0400] cupsdIsAuthorized: auth=AUTH_ALLOW... d [02/Jun/2006:11:08:14 +0400] add_printer_state_reasons(0x968f270[5], 0x965e5b8[CX3200]) d [02/Jun/2006:11:08:14 +0400] copy_attrs(to=0x9692b20, from=0x9669220, ra=0x9692b98, group=0, quickcopy=0) d [02/Jun/2006:11:08:14 +0400] copy_attribute(0x9692b20, 0x9669330[printer-name,4,42]) d [02/Jun/2006:11:08:14 +0400] copy_attribute(0x9692b20, 0x96693d0[printer-info,4,41]) d [02/Jun/2006:11:08:14 +0400] copy_attribute(0x9692b20, 0x9669558[job-sheets-default,4,42]) d [02/Jun/2006:11:08:14 +0400] copy_attribute(0x9692b20, 0x96a3250[printer-make-and-model,4,41]) d [02/Jun/2006:11:08:14 +0400] copy_attrs(to=0x9692b20, from=0x965ee70, ra=0x9692b98, group=0, quickcopy=-2147483648) D [02/Jun/2006:11:08:14 +0400] cupsdProcessIPPRequest: 5 status_code=0 (successful-ok) d [02/Jun/2006:11:08:14 +0400] cupsdProcessIPPRequest: Adding fd 5 to OutputSet... d [02/Jun/2006:11:08:14 +0400] cupsdWriteClient: 5 bytes < 0 d [02/Jun/2006:11:08:14 +0400] cupsdWriteClient: Removing fd 5 from OutputSet... d [02/Jun/2006:11:08:14 +0400] cupsdReadClient: 5, used=0, file=-1 state=0 D [02/Jun/2006:11:08:14 +0400] cupsdReadClient: 5 POST / HTTP/1.1 d [02/Jun/2006:11:08:14 +0400] cupsdFindBest: uri = "/"... d [02/Jun/2006:11:08:14 +0400] cupsdFindBest: Location /printers/stylus-cx3200-2 Limit 7f d [02/Jun/2006:11:08:14 +0400] cupsdFindBest: Location /printers/stylus-cx3200-1 Limit 7f d [02/Jun/2006:11:08:14 +0400] cupsdFindBest: Location /printers/stylus-cx3200--1 Limit 7f d [02/Jun/2006:11:08:14 +0400] cupsdFindBest: Location /printers/printer Limit 7f d [02/Jun/2006:11:08:14 +0400] cupsdFindBest: Location /printers/cx3200-t Limit 7f d [02/Jun/2006:11:08:14 +0400] cupsdFindBest: Location /printers/cx3200 Limit 7f d [02/Jun/2006:11:08:14 +0400] cupsdFindBest: Location /printers/CX3200 Limit 7f d [02/Jun/2006:11:08:14 +0400] cupsdFindBest: Location /admin Limit 7f d [02/Jun/2006:11:08:14 +0400] cupsdFindBest: Location / Limit 7f d [02/Jun/2006:11:08:14 +0400] cupsdFindBest: best = / d [02/Jun/2006:11:08:14 +0400] cupsdAuthorize: con->uri="/", con->best=0x9656838(/) d [02/Jun/2006:11:08:14 +0400] cupsdAuthorize: Authorization="" D [02/Jun/2006:11:08:14 +0400] cupsdAuthorize: No authentication data provided. d [02/Jun/2006:11:08:14 +0400] cupsdIsAuthorized: con->uri="/", con->best=0x9656838(/) d [02/Jun/2006:11:08:14 +0400] cupsdIsAuthorized: level=AUTH_ANON, type=AUTH_NONE, satisfy=AUTH_SATISFY_ALL, num_names=0 d [02/Jun/2006:11:08:14 +0400] cupsdIsAuthorized: auth=AUTH_ALLOW... d [02/Jun/2006:11:08:14 +0400] POST / d [02/Jun/2006:11:08:14 +0400] CONTENT_TYPE = application/ipp d [02/Jun/2006:11:08:14 +0400] cupsdReadClient: 5 con->data_encoding=HTTP_ENCODE_LENGTH, con->data_remaining=351, con->file=-1 d [02/Jun/2006:11:08:14 +0400] cupsdProcessIPPRequest(0x968f270[5]): operation_id = 4005 D [02/Jun/2006:11:08:14 +0400] CUPS-Get-Classes d [02/Jun/2006:11:08:14 +0400] get_printers(0x968f270[5], 1) d [02/Jun/2006:11:08:14 +0400] cupsdFindPolicyOp(p=0x96579d8, op=4005(CUPS-Get-Classes)) d [02/Jun/2006:11:08:14 +0400] cupsdFindPolicyOp: Found wildcard match... d [02/Jun/2006:11:08:14 +0400] cupsdIsAuthorized: con->uri="/", con->best=0x9658ba0((null)) d [02/Jun/2006:11:08:14 +0400] cupsdIsAuthorized: level=AUTH_ANON, type=AUTH_NONE, satisfy=AUTH_SATISFY_ALL, num_names=0 d [02/Jun/2006:11:08:14 +0400] cupsdIsAuthorized: op=0(unknown-0000) d [02/Jun/2006:11:08:14 +0400] cupsdIsAuthorized: auth=AUTH_ALLOW... D [02/Jun/2006:11:08:14 +0400] cupsdProcessIPPRequest: 5 status_code=0 (successful-ok) d [02/Jun/2006:11:08:14 +0400] cupsdProcessIPPRequest: Adding fd 5 to OutputSet... d [02/Jun/2006:11:08:14 +0400] cupsdWriteClient: 5 bytes < 0 d [02/Jun/2006:11:08:14 +0400] cupsdWriteClient: Removing fd 5 from OutputSet... d [02/Jun/2006:11:08:14 +0400] cupsdReadClient: 5, used=0, file=-1 state=0 D [02/Jun/2006:11:08:14 +0400] cupsdReadClient: 5 POST / HTTP/1.1 d [02/Jun/2006:11:08:14 +0400] cupsdFindBest: uri = "/"... d [02/Jun/2006:11:08:14 +0400] cupsdFindBest: Location /printers/stylus-cx3200-2 Limit 7f d [02/Jun/2006:11:08:14 +0400] cupsdFindBest: Location /printers/stylus-cx3200-1 Limit 7f d [02/Jun/2006:11:08:14 +0400] cupsdFindBest: Location /printers/stylus-cx3200--1 Limit 7f d [02/Jun/2006:11:08:14 +0400] cupsdFindBest: Location /printers/printer Limit 7f d [02/Jun/2006:11:08:14 +0400] cupsdFindBest: Location /printers/cx3200-t Limit 7f d [02/Jun/2006:11:08:14 +0400] cupsdFindBest: Location /printers/cx3200 Limit 7f d [02/Jun/2006:11:08:14 +0400] cupsdFindBest: Location /printers/CX3200 Limit 7f d [02/Jun/2006:11:08:14 +0400] cupsdFindBest: Location /admin Limit 7f d [02/Jun/2006:11:08:14 +0400] cupsdFindBest: Location / Limit 7f d [02/Jun/2006:11:08:14 +0400] cupsdFindBest: best = / d [02/Jun/2006:11:08:14 +0400] cupsdAuthorize: con->uri="/", con->best=0x9656838(/) d [02/Jun/2006:11:08:14 +0400] cupsdAuthorize: Authorization="" D [02/Jun/2006:11:08:14 +0400] cupsdAuthorize: No authentication data provided. d [02/Jun/2006:11:08:14 +0400] cupsdIsAuthorized: con->uri="/", con->best=0x9656838(/) d [02/Jun/2006:11:08:14 +0400] cupsdIsAuthorized: level=AUTH_ANON, type=AUTH_NONE, satisfy=AUTH_SATISFY_ALL, num_names=0 d [02/Jun/2006:11:08:14 +0400] cupsdIsAuthorized: auth=AUTH_ALLOW... d [02/Jun/2006:11:08:14 +0400] POST / d [02/Jun/2006:11:08:14 +0400] CONTENT_TYPE = application/ipp d [02/Jun/2006:11:08:14 +0400] cupsdReadClient: 5 con->data_encoding=HTTP_ENCODE_LENGTH, con->data_remaining=75, con->file=-1 d [02/Jun/2006:11:08:14 +0400] cupsdProcessIPPRequest(0x968f270[5]): operation_id = 4001 D [02/Jun/2006:11:08:14 +0400] CUPS-Get-Default d [02/Jun/2006:11:08:14 +0400] get_default(0x968f270[5]) d [02/Jun/2006:11:08:14 +0400] cupsdFindPolicyOp(p=0x96579d8, op=4001(CUPS-Get-Default)) d [02/Jun/2006:11:08:14 +0400] cupsdFindPolicyOp: Found wildcard match... d [02/Jun/2006:11:08:14 +0400] cupsdIsAuthorized: con->uri="/", con->best=0x9658ba0((null)) d [02/Jun/2006:11:08:14 +0400] cupsdIsAuthorized: level=AUTH_ANON, type=AUTH_NONE, satisfy=AUTH_SATISFY_ALL, num_names=0 d [02/Jun/2006:11:08:14 +0400] cupsdIsAuthorized: op=0(unknown-0000) d [02/Jun/2006:11:08:14 +0400] cupsdIsAuthorized: auth=AUTH_ALLOW... d [02/Jun/2006:11:08:14 +0400] add_printer_state_reasons(0x968f270[5], 0x965e5b8[CX3200]) d [02/Jun/2006:11:08:14 +0400] printer-uri-supported="ipp://amzone.localdomain.com:631/printers/CX3200" d [02/Jun/2006:11:08:14 +0400] add_queued_job_count(0x968f270[5], 0x965e5b8[CX3200]) d [02/Jun/2006:11:08:14 +0400] copy_attrs(to=0x9692b20, from=0x9669220, ra=(nil), group=0, quickcopy=0) d [02/Jun/2006:11:08:14 +0400] copy_attribute(0x9692b20, 0x9669248[uri-authentication-supported,4,44]) d [02/Jun/2006:11:08:14 +0400] copy_attribute(0x9692b20, 0x96692d8[uri-security-supported,4,44]) d [02/Jun/2006:11:08:14 +0400] copy_attribute(0x9692b20, 0x9669330[printer-name,4,42]) d [02/Jun/2006:11:08:14 +0400] copy_attribute(0x9692b20, 0x9669380[printer-location,4,41]) d [02/Jun/2006:11:08:14 +0400] copy_attribute(0x9692b20, 0x96693d0[printer-info,4,41]) d [02/Jun/2006:11:08:14 +0400] copy_attribute(0x9692b20, 0x9669420[printer-more-info,4,45]) d [02/Jun/2006:11:08:14 +0400] copy_attribute(0x9692b20, 0x9669470[job-quota-period,4,21]) d [02/Jun/2006:11:08:14 +0400] copy_attribute(0x9692b20, 0x96694c0[job-k-limit,4,21]) d [02/Jun/2006:11:08:14 +0400] copy_attribute(0x9692b20, 0x9669508[job-page-limit,4,21]) d [02/Jun/2006:11:08:14 +0400] copy_attribute(0x9692b20, 0x9669558[job-sheets-default,4,42]) d [02/Jun/2006:11:08:14 +0400] copy_attribute(0x9692b20, 0x96695b0[device-uri,4,45]) d [02/Jun/2006:11:08:14 +0400] copy_attribute(0x9692b20, 0x96a2730[color-supported,4,22]) d [02/Jun/2006:11:08:14 +0400] copy_attribute(0x9692b20, 0x96a28d8[pages-per-minute,4,21]) d [02/Jun/2006:11:08:14 +0400] copy_attribute(0x9692b20, 0x96a3250[printer-make-and-model,4,41]) d [02/Jun/2006:11:08:14 +0400] copy_attribute(0x9692b20, 0x96695f8[media-supported,4,44]) d [02/Jun/2006:11:08:14 +0400] copy_attribute(0x9692b20, 0x966a068[media-default,4,44]) d [02/Jun/2006:11:08:14 +0400] copy_attribute(0x9692b20, 0x966a2d8[port-monitor,4,44]) d [02/Jun/2006:11:08:14 +0400] copy_attribute(0x9692b20, 0x966a328[port-monitor-supported,4,44]) d [02/Jun/2006:11:08:14 +0400] copy_attribute(0x9692b20, 0x966a380[finishings-supported,4,23]) d [02/Jun/2006:11:08:14 +0400] copy_attribute(0x9692b20, 0x966a3d8[finishings-default,4,23]) d [02/Jun/2006:11:08:14 +0400] copy_attribute(0x9692b20, 0x96a2090[document-format-supported,4,49]) d [02/Jun/2006:11:08:14 +0400] copy_attribute(0x9692b20, 0x96a2870[copies-default,4,21]) d [02/Jun/2006:11:08:14 +0400] copy_attribute(0x9692b20, 0x96a2760[job-hold-until-default,4,44]) d [02/Jun/2006:11:08:14 +0400] copy_attribute(0x9692b20, 0x96a27b8[job-priority-default,4,21]) d [02/Jun/2006:11:08:14 +0400] copy_attribute(0x9692b20, 0x966d8c0[number-up-default,4,21]) d [02/Jun/2006:11:08:14 +0400] copy_attribute(0x9692b20, 0x966d8f8[orientation-requested-default,4,23]) d [02/Jun/2006:11:08:14 +0400] copy_attrs(to=0x9692b20, from=0x965ee70, ra=(nil), group=0, quickcopy=-2147483648) d [02/Jun/2006:11:08:14 +0400] copy_attribute(0x9692b20, 0x96691c8[charset-configured,4,47]) d [02/Jun/2006:11:08:14 +0400] copy_attribute(0x9692b20, 0x965f510[charset-supported,4,47]) d [02/Jun/2006:11:08:14 +0400] copy_attribute(0x9692b20, 0x965f550[compression-supported,4,44]) d [02/Jun/2006:11:08:14 +0400] copy_attribute(0x9692b20, 0x9669160[copies-supported,4,33]) d [02/Jun/2006:11:08:14 +0400] copy_attribute(0x9692b20, 0x9669090[document-format-default,4,49]) d [02/Jun/2006:11:08:14 +0400] copy_attribute(0x9692b20, 0x9669038[generated-natural-language-supported,4,48]) d [02/Jun/2006:11:08:14 +0400] copy_attribute(0x9692b20, 0x965f0f8[ipp-versions-supported,4,44]) d [02/Jun/2006:11:08:14 +0400] copy_attribute(0x9692b20, 0x965f198[job-hold-until-supported,4,44]) d [02/Jun/2006:11:08:14 +0400] copy_attribute(0x9692b20, 0x9669010[job-priority-supported,4,21]) d [02/Jun/2006:11:08:14 +0400] copy_attribute(0x9692b20, 0x965f3a0[job-sheets-supported,4,42]) d [02/Jun/2006:11:08:14 +0400] copy_attribute(0x9692b20, 0x965f0a8[multiple-document-handling-supported,4,44]) d [02/Jun/2006:11:08:14 +0400] copy_attribute(0x9692b20, 0x9668c30[multiple-document-jobs-supported,4,22]) d [02/Jun/2006:11:08:14 +0400] copy_attribute(0x9692b20, 0x9668538[multiple-operation-time-out,4,21]) d [02/Jun/2006:11:08:14 +0400] copy_attribute(0x9692b20, 0x96684e0[natural-language-configured,4,48]) d [02/Jun/2006:11:08:14 +0400] copy_attribute(0x9692b20, 0x9669110[notify-attributes-supported,4,44]) d [02/Jun/2006:11:08:14 +0400] copy_attribute(0x9692b20, 0x96684b8[notify-lease-duration-default,4,21]) d [02/Jun/2006:11:08:14 +0400] copy_attribute(0x9692b20, 0x9668458[notify-lease-duration-supported,4,33]) d [02/Jun/2006:11:08:14 +0400] copy_attribute(0x9692b20, 0x96682d0[notify-max-events-supported,4,21]) d [02/Jun/2006:11:08:14 +0400] copy_attribute(0x9692b20, 0x965f658[notify-events-default,4,44]) d [02/Jun/2006:11:08:14 +0400] copy_attribute(0x9692b20, 0x96685b8[notify-events-supported,4,44]) d [02/Jun/2006:11:08:14 +0400] copy_attribute(0x9692b20, 0x965f5f8[notify-pull-method-supported,4,44]) d [02/Jun/2006:11:08:14 +0400] copy_attribute(0x9692b20, 0x965f5d0[notify-schemes-supported,4,44]) d [02/Jun/2006:11:08:14 +0400] copy_attribute(0x9692b20, 0x9668d28[number-up-supported,4,21]) d [02/Jun/2006:11:08:14 +0400] copy_attribute(0x9692b20, 0x9668db0[operations-supported,4,23]) d [02/Jun/2006:11:08:14 +0400] copy_attribute(0x9692b20, 0x9668fb8[orientation-requested-supported,4,23]) d [02/Jun/2006:11:08:14 +0400] copy_attribute(0x9692b20, 0x965f070[page-ranges-supported,4,22]) d [02/Jun/2006:11:08:14 +0400] copy_attribute(0x9692b20, 0x965f018[pdl-override-supported,4,44]) d [02/Jun/2006:11:08:14 +0400] copy_attribute(0x9692b20, 0x9668318[printer-error-policy-supported,4,42]) d [02/Jun/2006:11:08:14 +0400] copy_attribute(0x9692b20, 0x965ee98[printer-op-policy-supported,4,42]) D [02/Jun/2006:11:08:14 +0400] cupsdProcessIPPRequest: 5 status_code=0 (successful-ok) d [02/Jun/2006:11:08:14 +0400] cupsdProcessIPPRequest: Adding fd 5 to OutputSet... d [02/Jun/2006:11:08:14 +0400] cupsdWriteClient: 5 bytes < 0 d [02/Jun/2006:11:08:14 +0400] cupsdWriteClient: Removing fd 5 from OutputSet... d [02/Jun/2006:11:08:14 +0400] cupsdReadClient: 5, used=0, file=-1 state=0 d [02/Jun/2006:11:08:14 +0400] cupsdReadClient: httpGets returned EOF... D [02/Jun/2006:11:08:14 +0400] cupsdCloseClient: 5 d [02/Jun/2006:11:08:14 +0400] cupsdCloseClient: Removing fd 5 from InputSet and OutputSet... d [02/Jun/2006:11:08:14 +0400] cupsdAcceptClient(lis=0x965e4a8) 2 Clients = 0 D [02/Jun/2006:11:08:14 +0400] cupsdAcceptClient: 5 from localhost:631 (IPv4) d [02/Jun/2006:11:08:14 +0400] cupsdAcceptClient: 5 connected to server on amzone.localdomain.com:631 d [02/Jun/2006:11:08:14 +0400] cupsdAcceptClient: Adding fd 5 to InputSet... d [02/Jun/2006:11:08:14 +0400] cupsdReadClient: 5, used=0, file=-1 state=0 D [02/Jun/2006:11:08:14 +0400] cupsdReadClient: 5 POST /printers/CX3200 HTTP/1.1 d [02/Jun/2006:11:08:14 +0400] cupsdFindBest: uri = "/printers/CX3200"... d [02/Jun/2006:11:08:14 +0400] cupsdFindBest: Location /printers/stylus-cx3200-2 Limit 7f d [02/Jun/2006:11:08:14 +0400] cupsdFindBest: Location /printers/stylus-cx3200-1 Limit 7f d [02/Jun/2006:11:08:14 +0400] cupsdFindBest: Location /printers/stylus-cx3200--1 Limit 7f d [02/Jun/2006:11:08:14 +0400] cupsdFindBest: Location /printers/printer Limit 7f d [02/Jun/2006:11:08:14 +0400] cupsdFindBest: Location /printers/cx3200-t Limit 7f d [02/Jun/2006:11:08:14 +0400] cupsdFindBest: Location /printers/cx3200 Limit 7f d [02/Jun/2006:11:08:14 +0400] cupsdFindBest: Location /printers/CX3200 Limit 7f d [02/Jun/2006:11:08:14 +0400] cupsdFindBest: Location /admin Limit 7f d [02/Jun/2006:11:08:14 +0400] cupsdFindBest: Location / Limit 7f d [02/Jun/2006:11:08:14 +0400] cupsdFindBest: best = /printers/cx3200 d [02/Jun/2006:11:08:14 +0400] cupsdAuthorize: con->uri="/printers/CX3200", con->best=0x965dea8(/printers/cx3200) d [02/Jun/2006:11:08:14 +0400] cupsdAuthorize: Authorization="" D [02/Jun/2006:11:08:14 +0400] cupsdAuthorize: No authentication data provided. d [02/Jun/2006:11:08:14 +0400] cupsdIsAuthorized: con->uri="/printers/CX3200", con->best=0x965dea8(/printers/cx3200) d [02/Jun/2006:11:08:14 +0400] cupsdIsAuthorized: level=AUTH_ANON, type=AUTH_NONE, satisfy=AUTH_SATISFY_ALL, num_names=0 d [02/Jun/2006:11:08:14 +0400] cupsdIsAuthorized: auth=AUTH_ALLOW... d [02/Jun/2006:11:08:14 +0400] POST /printers/CX3200 d [02/Jun/2006:11:08:14 +0400] CONTENT_TYPE = application/ipp d [02/Jun/2006:11:08:14 +0400] cupsdReadClient: 5 con->data_encoding=HTTP_ENCODE_LENGTH, con->data_remaining=18858, con->file=-1 d [02/Jun/2006:11:08:14 +0400] cupsdReadClient: 5, used=468, file=-1 state=6 d [02/Jun/2006:11:08:14 +0400] cupsdReadClient: 5 con->data_encoding=HTTP_ENCODE_LENGTH, con->data_remaining=18850, con->file=-1 d [02/Jun/2006:11:08:14 +0400] cupsdReadClient: 5 REQUEST /var/spool/cups/00000000=7 d [02/Jun/2006:11:08:14 +0400] cupsdReadClient: 5 writing 18382 bytes to 7 d [02/Jun/2006:11:08:14 +0400] cupsdReadClient: 5 Closing data file 7, size=18382. d [02/Jun/2006:11:08:14 +0400] cupsdProcessIPPRequest(0x968f270[5]): operation_id = 0002 D [02/Jun/2006:11:08:14 +0400] Print-Job ipp://localhost/printers/CX3200 d [02/Jun/2006:11:08:14 +0400] print_job(0x968f270[5], ipp://localhost/printers/CX3200) D [02/Jun/2006:11:08:14 +0400] print_job: auto-typing file... D [02/Jun/2006:11:08:14 +0400] print_job: request file type is application/postscript. d [02/Jun/2006:11:08:14 +0400] add_job(0x968f270[5], ipp://localhost/printers/CX3200) d [02/Jun/2006:11:08:14 +0400] cupsdFindPolicyOp(p=0x96579d8, op=2(Print-Job)) d [02/Jun/2006:11:08:14 +0400] cupsdFindPolicyOp: Found wildcard match... d [02/Jun/2006:11:08:14 +0400] cupsdIsAuthorized: con->uri="/printers/CX3200", con->best=0x9658ba0((null)) d [02/Jun/2006:11:08:14 +0400] cupsdIsAuthorized: level=AUTH_ANON, type=AUTH_NONE, satisfy=AUTH_SATISFY_ALL, num_names=0 d [02/Jun/2006:11:08:14 +0400] cupsdIsAuthorized: op=0(unknown-0000) d [02/Jun/2006:11:08:14 +0400] cupsdIsAuthorized: auth=AUTH_ALLOW... d [02/Jun/2006:11:08:14 +0400] check_quotas(0x968f270[5], 0x965e5b8[CX3200]) D [02/Jun/2006:11:08:14 +0400] add_job: requesting-user-name="root" I [02/Jun/2006:11:08:14 +0400] Adding start banner page "none" to job 37. d [02/Jun/2006:11:08:14 +0400] copy_banner(0x968f270[5], 0x9692e38[37], none) d [02/Jun/2006:11:08:14 +0400] add_job_state_reasons(0x968f270[5], 37) D [02/Jun/2006:11:08:14 +0400] Discarding unused job-created event... d [02/Jun/2006:11:08:14 +0400] add_file(con=0x968f270[5], job=37, filetype=application/postscript, compression=0) I [02/Jun/2006:11:08:14 +0400] Adding end banner page "none" to job 37. d [02/Jun/2006:11:08:14 +0400] copy_banner(0x968f270[5], 0x9692e38[37], none) I [02/Jun/2006:11:08:14 +0400] Job 37 queued on "CX3200" by "root". D [02/Jun/2006:11:08:14 +0400] Job 37 hold_until = 0 d [02/Jun/2006:11:08:14 +0400] cupsdSaveJob(job=0x9692e38(37)): job->attrs=0x968eb90 d [02/Jun/2006:11:08:14 +0400] cupsdCheckJobs: 1 active jobs, sleeping=0, reload=0 d [02/Jun/2006:11:08:14 +0400] cupsdCheckJobs: Job 37: state_value=3, loaded=yes D [02/Jun/2006:11:08:14 +0400] cupsdProcessIPPRequest: 5 status_code=0 (successful-ok) d [02/Jun/2006:11:08:14 +0400] cupsdProcessIPPRequest: Adding fd 5 to OutputSet... d [02/Jun/2006:11:08:14 +0400] select_timeout: 11 seconds to process active jobs d [02/Jun/2006:11:08:14 +0400] cupsdWriteClient: 5 bytes < 0 d [02/Jun/2006:11:08:14 +0400] cupsdWriteClient: Removing fd 5 from OutputSet... d [02/Jun/2006:11:08:14 +0400] cupsdReadClient: 5, used=0, file=-1 state=0 d [02/Jun/2006:11:08:14 +0400] cupsdReadClient: httpGets returned EOF... D [02/Jun/2006:11:08:14 +0400] cupsdCloseClient: 5 d [02/Jun/2006:11:08:14 +0400] cupsdCloseClient: Removing fd 5 from InputSet and OutputSet... d [02/Jun/2006:11:08:15 +0400] select_timeout: 11 seconds to process active jobs
What does 'ls -lZ /dev/usb/lp0' say? (You've shown me the permissions on /dev/lp0..) Or perhaps this is the problem, that there is no /dev/usb/lp0?
Yak, my mistake. Here is the output you requested - [root@amzone ~]# cd /dev/usb [root@amzone usb]# ls -l total 0 crw------- 1 soam root 180, 0 Jun 3 18:45 lp0 [root@amzone usb]# ls -lZ /dev/usb/lp0 crw------- soam root /dev/usb/lp0 [root@amzone usb]# One more important point I would like to share, I may be doubting the cups upgrade, but in general I also did a kernel upgrade to 2.6.16-1.2111_FC5smp. I am not sure, but I get a feeling that there may be some kind of permission locks being enforced after this upgrade. Thanks! amar kumar padhi
What about these commands?: /usr/sbin/getenforce ls -lZ /usr/lib/cups/backend/usb
[soam@amzone ~]$ su - Password: [root@amzone ~]# /usr/sbin/getenforce Disabled [root@amzone ~]# ls -lZ /usr/lib/cups/backend/usb -rwx------ root root /usr/lib/cups/backend/usb [root@amzone ~]# I again applied a kernel upgrade yesterday, but no change in printing error. [root@amzone ~]# uname -a Linux amzone.localdomain.com 2.6.16-1.2122_FC5smp #1 SMP Sun May 21 15:18:32 EDT 2006 i686 i686 i386 GNU/Linux Thanks! amar kumar padhi
Wait, I just spotted this: > How reproducible: > I can't print now. That's because it's fixed. :-) *** This bug has been marked as a duplicate of 192805 ***
Aye Thanks man! I will check on the links for more details. Thanks! amar kumar padhi