transmitter problems, was: Re: your mail

Peter T. Breuer
Fri Feb 26 11:39:00 1999

"A month of sundays ago wrote:"
> > I had exactly the same symtoms. eepro100 plus adaptec on 10BT net. Card
> > stopd at random times and has to be up/downed. The machines offline
> Are you also on a K6-2 system?  
> I found someone else on the IRC with the same problem (and a K6-2).
> I also have a pentium mashine with a identical card and it works perfect (it
> also has an adaptec 2040uw).

I brought the machine up to look at it. I think I changed the driver recently
and also limited multicast and that may well have helped. Before one could
count on one downer every day. I think it's just the nature of the NIC, but
the scsi could agravate it in some way. This is 2.0.36, P200 classic:

(scsi0) <Adaptec AHA-294X Ultra SCSI host adapter> found at PCI 12/0
(scsi0) Wide Channel, SCSI ID=7, 16/255 SCBs
(scsi0) Downloading sequencer code... 419 instructions downloaded
scsi0 : Adaptec AHA274x/284x/294x (EISA/VLB/PCI-Fast SCSI) 5.1.2/3.2.4
       <Adaptec AHA-294X Ultra SCSI host adapter>
scsi1 : SCSI host adapter emulation for IDE ATAPI devices
scsi : 2 hosts.
  Vendor: MICROP    Model: 3391WS            Rev: P429
  Type:   Direct-Access                      ANSI SCSI revision: 02
Detected scsi disk sda at scsi0, channel 0, id 0, lun 0
scsi : detected 1 SCSI disk total.
(scsi0:0:0:0) Synchronous at 20.0 Mbyte/sec, offset 8.
SCSI device sda: hdwr sector= 512 bytes. Sectors= 17780058 [8681 MB] [8.7 GB]
Partition check:
 sda: sda1 sda2 sda3 sda4 < sda5 sda6 sda7 sda8 sda9 sda10 sda11 sda12 sda13
sda14 sda15 >                                             
3c59x.c:v0.99E 5/12/98 Donald Becker
eth0: 3Com 3c905 Boomerang 100baseTx at 0xd400, 00:60:97:ba:c0:1e, IRQ 10
  8K word-wide RAM 3:5 Rx:Tx split, autoselect/NWay Autonegotiation interface.
  MII transceiver found at address 24, status 7869.
  Enabling bus-master transmits and whole-frame receives.         

bajo2:/usr/oboe/ptb% cat /proc/cpuinfo
processor       : 0
cpu             : 586
model           : Pentium 75+
vendor_id       : GenuineIntel
stepping        : 12
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : yes
fpu             : yes
fpu_exception   : yes
cpuid           : yes
wp              : yes
flags           : fpu vme de pse tsc msr mce cx8
bogomips        : 79.87    

bajo2:/usr/oboe/ptb% cat /proc/interrupts
 0:      56280   timer
 1:          8   keyboard
 2:          0   cascade
 3:          0 + serial
10:       2618   eth0
11:      19848   aic7xxx
13:          1   math error
14:          0 + ide0