Re: pre2.0.4 networking freezes

Larry McVoy (lm@neteng.engr.sgi.com)
21 May 1996 00:01:44 GMT


Adam J. Richter (adam@adam.yggdrasil.com) wrote:
: I don't know if this information is useful or if it is already
: known, but I'd like to report that the networking freezes in the
: 1.3.9x - pre2.0.4 kernels may be sensitive on one's hardware
: configuration.
: The machine that locks up (my workstation):
: Pentium-133 [same]
: ASUS motherboard with 256k synchronous cache [same]
: 64MB 60ns DRAM [same]
: 1 IDE CDROM drive
: 4 scsi disks, 1 scsi tape
: SMC Ultra ethernet card
: NCR 53c810 SCSI controller

I'm seeing lockups on a 486 w/ an SMC 9332 (Dec Tulip 21140) 10/100Mbit
card. It's easy to make it happen, you just blast data using ttcp or
bw_tcp and it will lock up when you send data in one of the two directions.
I'm thinking it is a driver problem in the tulip driver.

--
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Larry McVoy     lm@sgi.com     http://reality.sgi.com/lm     (415) 933-1804
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