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Received: from librecmc.lan ([192.168.10.1] helo=localhost) by lab.riabenko.com with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.98) (envelope-from ) id 1tURCR-000000003f7-0YTJ for help-guix@gnu.org; Sun, 05 Jan 2025 16:01:51 +0200 Date: Sun, 5 Jan 2025 16:01:51 +0200 To: help-guix@gnu.org Subject: IPP driverless printing Message-Id: <20250105160151.48685de98d208c74ac620c5f@riabenko.com> X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.33; x86_64-unknown-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=185.143.146.30; envelope-from=roman@riabenko.com; helo=lab.riabenko.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: help-guix@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-to: Roman Riabenko From: Roman Riabenko via Errors-To: help-guix-bounces+larch=yhetil.org@gnu.org Sender: help-guix-bounces+larch=yhetil.org@gnu.org X-Migadu-Flow: FLOW_IN X-Migadu-Country: US X-Migadu-Scanner: mx11.migadu.com X-Migadu-Spam-Score: -6.20 X-Spam-Score: -6.20 X-Migadu-Queue-Id: 989B778045 X-TUID: kCr1xehvmEQv Hello I am trying to print a test page in GNOME Settings on an IPP printer. The printer automatically shows up in the printers panel. But clicking the test print button does nothing. This works on nother distribution. Do I need to configure something for driverless printing? Printing was selected during Guix System graphical installation. $ grep cups /etc/config.scm (use-service-modules cups desktop networking ssh xorg (service cups-service-type) $ tail /var/log/cups/access_log -n 3 localhost - - [05/Jan/2025:15:42:53 +0200] "POST / HTTP/1.1" 200 345 Create-Printer-Subscriptions client-error-not-possible localhost - - [05/Jan/2025:15:42:53 +0200] "POST / HTTP/1.1" 200 711358 CUPS-Get-PPDs - localhost - - [05/Jan/2025:15:43:03 +0200] "POST / HTTP/1.1" 200 153 Cancel-Subscription client-error-not-found $ tail /var/log/cups/error_log -n 5 I [05/Jan/2025:15:42:53 +0200] [Client 28] Started "/gnu/store/bp2x2hd9f8d7mqc9d1h5qa0nn4pfgqvs-cups-server-bin/lib/cups/daemon/cups-driverd" (pid=6455, file=14) E [05/Jan/2025:15:42:53 +0200] [Client 29] Returning IPP client-error-not-possible for Create-Printer-Subscriptions (/) from localhost. I [05/Jan/2025:15:42:53 +0200] [cups-driverd] Read \"/var/cache/cups/ppds.dat\", 1614 PPDs... I [05/Jan/2025:15:42:53 +0200] [cups-driverd] No new or changed PPDs... E [05/Jan/2025:15:42:55 +0200] [CGI] ippfind (PID 6458) stopped with status 3! I also cannot open the Print Settings, but it is already tracked in a report and seems to be unrelated: https://issues.guix.gnu.org/70491 $ grep Exec /run/current-system/profile/share/applications/system-config-printer.desktop Exec=/gnu/store/pqdxjxcfrmvnl51qpdran5k7nbdvcf9l-system-config-printer-1.5.16/bin/system-config-printer $ /gnu/store/pqdxjxcfrmvnl51qpdran5k7nbdvcf9l-system-config-printer-1.5.16/bin/system-config-printer Traceback (most recent call last): File "/gnu/store/pqdxjxcfrmvnl51qpdran5k7nbdvcf9l-system-config-printer-1.5.16/share/system-config-printer/system-config-printer.py", line 76, in import cupshelpers ModuleNotFoundError: No module named 'cupshelpers' Roman