[Mageia-dev] More systemd strangeness

Thu Sep 27 21:20:02 CEST 2012

On 09/27/2012 02:21 PM, Colin Guthrie wrote:
+> '
+> Does your dmesg report anything interesting going on with the device?
+>
+Sort of, by omission.
+
+At 10 seconds in, we have
+
+[   10.744514] usblp 1-1:1.0: usblp0: USB Bidirectional printer dev 3 if 
+0 alt 1 proto 2 vid 0x03F0 pid 0x1817
+[   10.744529] usbcore: registered new interface driver usblp
+
+then, at 12 seconds
+
+[   12.582770] systemd[1]: Enqueued job printer.target/start as 175
+
+Now if the kernel were "losing" the printer every 5  seconds, I'd expect 
+to see some indication of it around 15 seconds, but nothing. In fact,
+
+[   28.874663] device-mapper: multipath: version 1.4.0 loaded
+[   29.076321] systemd[1]: Forked /usr/sbin/cupsd as 9332
+[   29.076402] systemd[1]: Job cups.service/start finished, result=done
+[   29.076550] systemd[1]: printer.target changed dead -> active
+[   29.076555] systemd[1]: Job printer.target/start finished, result=done
+
+and then suddenly
+
+[   34.241942] usblp0: removed
+[   34.258926] usblp 1-1:1.0: usblp0: USB Bidirectional printer dev 3 if 
+0 alt 1 proto 2 vid 0x03F0 pid 0x1817
+[   38.843836] lp: driver loaded but no devices found
+[   39.547619] usblp0: removed
+[   39.564331] usblp 1-1:1.0: usblp0: USB Bidirectional printer dev 3 if 
+0 alt 1 proto 2 vid 0x03F0 pid 0x1817
+[   39.710816] ppdev: user-space parallel port driver
+[   44.851351] usblp0: removed
+[   44.867689] usblp 1-1:1.0: usblp0: USB Bidirectional printer dev 3 if 
+0 alt 1 proto 2 vid 0x03F0 pid 0x1817
+[   50.157199] usblp0: removed
+[   50.174091] usblp 1-1:1.0: usblp0: USB Bidirectional printer dev 3 if 
+0 alt 1 proto 2 vid 0x03F0 pid 0x1817
+[   52.499738] ip_tables: (C) 2000-2006 Netfilter Core Team
+[   55.459678] usblp0: removed
+[   55.476467] usblp 1-1:1.0: usblp0: USB Bidirectional printer dev 3 if 
+0 alt 1 proto 2 vid 0x03F0 pid 0x1817
+
+and so it goes, at 5-second intervals.
+