2.4.1[89] Warning - running *really* short on DMA buffers .. and crash

Hello,

I have this machine running either 2.4.18 or 19 with the same bad behavior. I get from time to time the message in the Subject and if I do something that uses the disk somewhat more it just reboots without any warning. (for example if I use fsck or I type sync a lot when untarring .. )

Anyway the hardware configuration is like this:

2 X PIII 667MHz
MB chipset VIA VT82C693A/694x SMP board
512MB
2 Intel Etherexpress 82557
and the scsi adapter:

scsi0 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 6.2.8

        <Adaptec 19160B Ultra160 SCSI adapter>
        aic7892: Ultra160 Wide Channel A, SCSI Id=7, 32/253 SCBs

Vendor: QUANTUM Model: ATLAS10K2-TY184L Rev: DA40
Type: Direct-Access ANSI SCSI revision: 03
scsi0:A:0:0: Tagged Queuing enabled. Depth 253
Attached scsi disk sda at scsi0, channel 0, id 0, lun 0 (scsi0:A:0): 160.000MB/s transfers (80.000MHz DT, offset 127, 16bit) SCSI device sda: 35860910 512-byte hdwr sectors (18361 MB) Partition check:
sda: sda1 sda2 < sda5 sda6 sda7 sda8 >

It's really annoying to have the computer reboot without any warning or message to track something ...

Teo