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- Path: sparky!uunet!sun-barr!cs.utexas.edu!usc!sol.ctr.columbia.edu!The-Star.honeywell.com!umn.edu!kksys.com!quest!digibd!kas!rhealey
- From: rhealey@kas.helios.mn.org (Rob Healey)
- Subject: Re: What to do when you get a panic.
- Message-ID: <1992Aug26.143529.18702@kas.helios.mn.org>
- Date: Wed, 26 Aug 1992 14:35:29 GMT
- References: <1992Aug17.213613.28703@nntpd.lkg.dec.com> <16q0p0INNkm@agate.berkeley.edu> <joe.05oh@jaguar.eagle.mission.tx.us>
- Organization: Rob's home system, Hopkins, MN
- Lines: 31
-
- In article <joe.05oh@jaguar.eagle.mission.tx.us> joe@jaguar.eagle.mission.tx.us (Joe Gonzalez) writes:
- = OK, I'm running Amiga UNIX 2.1 with the patch to 2.1c on an Amiga
- = 2000HD,200MB Maxtor LXT213S,OS2.04 ROM,A2091 (2MB RAM), GVP RAM
- = expansion (6MB), and a MegaMidgetRacer 68030/68882 25MHz note that
- = it contains NO 32 bit wide memory (hey, what do you expect from a
- = poor student :) and a Telebit T2500. I've made pratically no
- = modifications to the system (except for setting up things like uucp).
- =
- = the first file starts coming in, the kernel panics. I can use kermit
- = for one or two minutes before crashing. Changing to a US Robotics
- = 2400 Courier made no difference. The panic is:
- =
- =panic: kernel fault psw=0x22000 pc=0x21c64c, fmt=0x0 vector=0x1f
- =(Level 7 Interrupt Autovector)
- = + a bunch of numbers.
- =
- = OK, This is what I got:
- =
- =slpoll+254 jsr (%a0)
- =
- System died in the "fake UART FIFO" code. Hmmm, are the modems
- dumping alot of messages into the serial line? Is the hardware
- flow control on the modems preventing the system from dumping
- data to the modems? I've seen the ql driver blow chunks when
- flow control prevents data from being drained from buffers either
- in the modem->computer direction or vice versa. The combination of
- the modem dumping messages to a serial port while hardware flow
- control is held low will cause panics. However, as long as data
- is drained off the system should be OK.
-
- -Rob
-