serial (PPP) stomping on parport?

Dale Harris (rodmur@ecst.csuchico.edu)
Mon, 8 Jun 1998 22:29:00 -0700


Hi,

I'm having a very unusual problem (well, at least usual to me). Whenever I
use PPP, I'm unable to print. As soon as I kill PPP, everything is happy.
It is reproducible everytime for me. I don't think I'm having any IRQ
conflicts, I'm not quite certain with the validity of my port number
assignments. Right now I'm using linux-2.1.104pre1 (downloading 2.1.105,
see if I have the same problem with that), with glibc 2.0.7pre3. Any
suggestions?

Here's some more of the system information:

#
# error from lpr (LPRng 3.5.1)
#
lp: no permission to accept job from 'rodmur@^H<^L^H^A'$
job 'cfA406rodmur.ecst.csuchico.edu' transfer to lp@localhost failed$

#
# setserial -bg /dev/ttyS?
#
/dev/ttyS0 at 0x03f8 (irq = 4) is a 16550A
/dev/ttyS1 at 0x02f8 (irq = 3) is a 16550A (spd_vhi)
/dev/ttyS3 at 0x02e8 (irq = 10) is a 16550A (spd_vhi)
/dev/ttyS4 at 0x02f0 (irq = 15) is a 16650 (spd_vhi)
/dev/ttyS5 at 0x03e0 (irq = 14) is a 16650 (spd_vhi)

#
# /etc/conf.modules
#
alias parport_lowlevel parport_pc
options parport_pc io=0x378 irq=7

#
# /proc/interrupts while I'm using PPP
#

CPU0
0: 686162 XT-PIC timer
1: 7238 XT-PIC keyboard
2: 0 XT-PIC cascade
4: 84027 XT-PIC serial
7: 0 XT-PIC parport0
8: 1 XT-PIC rtc
11: 12908 XT-PIC aic7xxx
13: 1 XT-PIC fpu
14: 6997391 XT-PIC serial
NMI: 0

#
# /proc/devices
#

Character devices:
1 mem
2 pty
3 ttyp
4 ttyp
5 cua
6 lp
7 vcs
10 misc

Block devices:
8 sd

-- 
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Dale Harris  <rodmur@csuchico.edu>   PGP KeyID: E26EC5FD      
http://www.ecst.csuchico.edu/~rodmur/
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