Linux-Hams archive - August 1997: Re: SCC: And now it crashes (sigh!!)..
Re: SCC: And now it crashes (sigh!!)..
Richard Adams (ohruoxvn@famechurch.org)
Sun, 10 Aug 1997 09:53:38 +0000 (GMT)
According to Luca Palazzo, While burning my cpu.:
>
> Hallo Everyone...
>
> When i try to connect another station, usually linux crashes....
> After millions of test i've noted this:
> Linux crashes when there are both rx interrupts and tx interrupts...
> If i noly receive on transmit no problem.. When i try to connect another
> station while scc is receiving, the computer reboots...
> This does not happen on p133....
>
Make sure you have allocated enough buffers in /etc/z8530drv.conf and make
sure the bufsize is at least 148 bytes larger than your MTU.
Ie,
bufsize 656 minumum for a MTU of 512
rxbuffers 12
txbuffers 12
The defaults can be seen in scc.c
>
> It's now an irq problem surely!! But i don't know if the first cause is
> the pc or the groups Linux-PC-sccinit...
>
> Where may i found some debug infos on this crashes?? Please note that i've
> no oops on Linux...
> I tried to define SCC_DEBUG... But i've not found anything in log's
> files....
>
syslog.
> Thanks
> Luca
>
--
Regards Richard, 73. | "I see" said the blind man to his
AX25 pa3gcu@pi8mid.#zld.nld.eu | deaf en dumb daughter, who replyed,
smtp zszcja@lujack.com | "Yes" Linux AX25. NET/ROM, "I have heard
inet terhi.victor@logonet.com | that what you see is what you get".