Now I am used to getting all sorts of flames, but this is just a bit odd. How can a user level program using nothing but 'off the shelf' system calls crash a kernel?
Sigh... Anybody else see this? > From [EMAIL PROTECTED] Fri Apr 26 12:05:50 2002 > Date: Fri, 26 Apr 2002 21:06:02 +0200 > From: [EMAIL PROTECTED] > To: Patrick Powell <[EMAIL PROTECTED]> > Subject: lpd kernel panic > > Hi. > > Sorry for bothering you, but I have really strange troubles with lpd. > Maybe I found some bug, so I'd like to discuss it with you. > > Bit of history: I tried to print something from gimp, afterwards my > linux RH 7.2, kernel 2.4.18 stops kompletely responding. After hard > reset I could not boot, because start of lpd alway causes kernel panic: > Unable to handle kernel null pointer reference a virtual address 000000001 > ... > <0> Kernel panic: Aiee, killing interrupt handler! > In interrupt handler - not sync > > It was significantly caused by lpd, because without starting it, OR by > deleting last job from /var/spool/lpd system booted normaly. But every > printing job then hangs system again. I tried to remove lpd and its > configs etc. from system completely, I reinstaled lpd from original > RH7.2, after first print job system hangs again. Therefore I reinstaled > LPR with newest one from your page (3.8.10, previous used 3.7.4) but > problem remains. Now I have in /var/spool/lpd/Epson content of last job > and I am able to reproduce this hangup every time when I try to start > lpd with /etc/init.d/lpd start. > Now I can not print anymore. > > I did not do any change in the system, except upgrade of sudo and > recompilation of kernel with USB support, from last successful printing > job. Still with old kernel (I tried to downgrade), without USB, problem > remains. > My printer is Epson EPL 5200 (ljet3 driver). > > If you are interested in this please let me know if I can do something > to help you or you can somehow help me. > > refering to this page: > http://www.tux.org/hypermail/linux-kernel/1999week10/0171.html > I have the same trouble like the one there described. > > regards > -- > Adam Pribyl > ------------- > > ----------------------------------------------------------------------------- YOU MUST BE A LIST MEMBER IN ORDER TO POST TO THE LPRNG MAILING LIST The address you post from MUST be your subscription address If you need help, send email to [EMAIL PROTECTED] (or lprng-requests or lprng-digest-requests) with the word 'help' in the body. For the impatient, to subscribe to a list with name LIST, send mail to [EMAIL PROTECTED] with: | example: subscribe LIST <mailaddr> | subscribe lprng-digest [EMAIL PROTECTED] unsubscribe LIST <mailaddr> | unsubscribe lprng [EMAIL PROTECTED] If you have major problems, send email to [EMAIL PROTECTED] with the word LPRNGLIST in the SUBJECT line. -----------------------------------------------------------------------------
