Hi Linux/IR Gurus,
I have a ThinkPad 600E with redhat 6.1 installed and try to get
printing via IR working. However, i don't understand what exactly i
should do to got it operational. Unfortunatly the status of LinuxIR
seems to be in a state of change and the HowTo doesn't reflect this
completely (e.g., it seems to me it's partially referrs to the new
setup (major dev-number 161) and partially to the old (major dev-name
60)). I also tried to find further information in the mailing list but
didn't get much further. So any clarification are welcome.
Before going into the depth of what i did a summary of my major
problems:
- with the old vanilla 2.2.13 i get this weird
"irmanager: executing: './printer start irlpt0 -19'" (see below) and
i cannot figure out the correct dev name for irlpt0 rsp the proper
loading. Maybe i also have to do some special setserials on some
devices?
- with the latest patch for 2.2.13 where the irlpt* modules
disappeared i don't know what exactly have to do and i'm not sure if
printing is actually supposed to work with that version at all.
Note that i can interact with a pilot without any (appearant) problems
(e.g, the base setup should be ok?) and the printer is also discovered
(IrLMP: Discovery log: nickname: DeskJet 340, hint: 0x0800, saddr:
0x531a3b57, daddr: 0x00005263)
Following a brief summary what i did so far (always starting from
kernel 2.2.13 and using irda-utils 0.9.5):
- first i tried with patch-2.2.13-irda12.gz but i couldn't get
communication to the pilot working. As i later discovered i
unfortunatly was using the 0.9.4 irmanager/irattach from the RedHat
rpm. Maybe that explains that failure.
- then i went back to vanilla 2.2.13 and got the communication with
the pilot working (using 'alias tty-ldisc-11 irtty\nalias
char-major-60 ircomm_tty', mknod /dev/irnine c 60 64).
to get printing i tried a modprobe irlpt_client. Looking at the
logfile i noticed
Jan 2 13:48:39 bppc2 irmanager: executing: './printer start irlpt_server 62'
Jan 2 13:48:39 bppc2 irmanager: + sh: ./printer: No such file or directory
and after some investigation figured out that irda-utils 0.9.4 contained a
etc/printer which appearantly got lost in 0.9.5 (rsp doesn't seem to
be necessary for newer kernel-patches). I copied that to /etc/irda
and now i got
Jan 2 14:11:49 bppc2 irmanager: executing: './printer start irlpt0 -19'
Jan 2 14:11:49 bppc2 irmanager: + mknod: invalid option -- 1
This looked like a unsigned vs signed problem and indeed in
irmanager.c the minor device number was declared as int. However,
changing all int minor or similar to unsigned int failed completly
(e.g., irmanager didn't start and afterwards there was the module st
but no irda modules loaded ..).
modprobing irlpt_server instead of irlpt_client resulted in a ok
Jan 2 13:50:08 bppc2 irmanager: executing: './printer start irlpt_server 62'
but a following modprobe irlpt_client gave a
Jan 2 13:51:17 bppc2 irmanager: executing: './printer start irlpt0 62'
which looked somewhat strange as they use the sem minor device
number.
In any case printing didn't work, i just got immediatly an error
back from lpd (which was pointed to /dev/irlpt0). Also with some
manual 'mknod /dev/irlpt0 c 60 61' or 'mknod /dev/irlpt0 c 60 62'
given that the automatic with /etc/irda/printer didn't help.
- finally i went to the latest patch-2.2.13-irda23.gz and compiled it
(irda options: cache lsap yes, fast rr no, debug yes, compression y,
rest as module).
btw: there seems to be a small problem in the patch however as i
don't use dongle i ignored the skipped patch
# Reversed (or previously applied) patch detected! Assume -R? [n]
# Apply anyway? [n]
# Skipping patch.
# 1 out of 1 hunk ignored -- saving rejects to include/net/irda/dongle.h.rej
after changing /etc/conf.modules and the corresponding devices
(mknod /dev/ircomm0 c 161 0, mknod /dev/ircomm1 c 161 1,
mknod /dev/irlpt0 c 161 16, mknod /dev/irlpt1 c 161 17)
i got the pilot communication running but got again stuck with
printing. Now the print-job somewhat hang but nothing happend on the
printer. via syslog i got messages such as
Jan 2 15:41:58 bppc2 kernel: IrLAP, no activity on link!
and in debug messages showed
Jan 2 15:22:57 bppc2 kernel: ircomm_open_lsap()
Jan 2 15:22:57 bppc2 kernel: ircomm_tty_attach_cable()
Jan 2 15:22:57 bppc2 kernel: ircomm_tty_ias_register()
Jan 2 15:22:57 bppc2 kernel: irlap_change_speed(), setting speed to 115200
Jan 2 15:23:02 bppc2 kernel: irlmp_state_setup() WATCHDOG_TIMEOUT!
Jan 2 15:23:02 bppc2 kernel: irlmp_state_setup() WATCHDOG_TIMEOUT!
Jan 2 15:23:10 bppc2 kernel: irlap_change_speed(), setting speed to 9600
Jan 2 15:23:12 bppc2 kernel: irlap_change_speed(), setting speed to 115200
Jan 2 15:23:23 bppc2 kernel: irlap_change_speed(), setting speed to 9600
Jan 2 15:23:27 bppc2 kernel: irlap_change_speed(), setting speed to 115200
Jan 2 15:23:31 bppc2 kernel: irlmp_state_setup() WATCHDOG_TIMEOUT!
Jan 2 15:23:31 bppc2 kernel: irlmp_state_setup() WATCHDOG_TIMEOUT!
Jan 2 15:23:39 bppc2 kernel: irlap_change_speed(), setting speed to 9600
Jan 2 15:23:42 bppc2 kernel: irlap_change_speed(), setting speed to 115200
Jan 2 15:23:46 bppc2 kernel: irlmp_state_setup() WATCHDOG_TIMEOUT!
with higher debug level i also get messages such as
Jan 2 15:42:19 bppc2 kernel: irlmp_disconnect_indication(),
reason=LM_CONNECT_FAILURE
and
Jan 2 15:42:20 bppc2 kernel: ircomm_tty_watchdog_timer_expired()
Jan 2 15:42:20 bppc2 kernel: ircomm_tty_do_event: state=IRCOMM_TTY_SEARCH,
event=IRCOMM_TTY_WD_TIMER_EXPIRED
Jan 2 15:42:20 bppc2 kernel: ircomm_tty_state_search: state=IRCOMM_TTY_SEARCH,
event=IRCOMM_TTY_WD_TIMER_EXPIRED
Jan 2 15:42:20 bppc2 kernel: irlap_do_event(), event = FINAL_TIMER_EXPIRED, state
= LAP_NRM_P
i read somewhere that one might have to do setserials (e.g., for the
Sony Vajo) but playing around with setserial speed on /dev/irlpt0 or
/dev/ircomm0 didn't seem to help. (i already had 'setserial
/dev/ttyS1 spd_vhi' and 'setserial /dev/ircomm0 spd_vhi' in
/etc/irda/drivers but also commenting this out didn't change
anything).
BT: i also run irdadump but i did'nt find anything
peculiar. Actually, i just doesn't know how to interpret the data
but in any case not too much activity showed up.
So any help is welcome! Thanks!
-michael-
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Michael Steiner Uni Saarbruecken
Scheidterstrasse 61 Lehrstuhl Pfitzmann
D-66123 Saarbruecken ___________ D-66123 Saarbruecken
+49 681 390 47 14 | +49 681 302 4164
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