SCSI timeouts - AHA2940 - FBSD 2.1.5

SCSI timeouts - AHA2940 - FBSD 2.1.5

Post by Andreas Braukman » Mon, 04 Nov 1996 04:00:00



Hello everybody,

recently I had to upgrade the hardware and the software of
my FBSD system.

old system: 486DX2, EISA-Board (SIS-Chip),
            AHA1742 / AHA2742AT,
            32MB RAM
            FreeBSD 2.1

new system: ASUS T2P4, AHA2940AU, 64MB RAM

 
 
 

1. AHA2940 general-protection fault,scsi timeout

Has anyone had trouble with general-protection faults + scsi timeouts
using the AHA2940 driver, and more importantly has anyone solved this?
We get them once or twice a day, and more frequently with heavy disk usage.
Any help would be appreciated.

The fault usually occurs in the "update" process, and sometimes in fsck
during reboot.  Then, a second later, the next process to use the disk
dies with a scsi-timeout error.  The system is now hung.  The crash messages
look like this:

    general protection: 0000
    EIP: 0010:001a9b5f
    EFLAGS:00010002
    process update (pid 7, process nr 6)
    <registers are dumped...>

    scsi: aborting due to timeout: pid 27616, scsi0, id 0, lun 0, Write(6) ...

Configuration:
  kernel: 1.2.8 + aic7xxx-release-1.tar.gz  +  aic7xxx-new-2.patch
  motherboard: Intel PCI pentium-90 w/32 MB RAM
  scsi controller: AHA2940
  disks (2) : Seagate ST31200N, 1.05 GB

Relevant boot-time messages:

  aha294x: extended translation disabled
  AHA294X (PCI-bus):
      irq 11
      bus release time ??? bclks
      data fifo threshold 100
      SCSI CHANNEL A:
          scsi id 7
          scsi bus parity check disabled
          scsi selection timeout 256 ms
          scsi bus reset at power-on enabled
  scsi0 : Adaptec AHA274x/284x/294x (EISA/VL-bus/PCI -> Fast SCSI)
            1.32/1.14/1.34
  scsi : 1 host.
  aic7xxx: target 0 now synchronous at 10.0Mb/s
    Vendor: SEAGATE   Model: ST31200N          Rev: 8648
    Type:   Direct-Access                      ANSI SCSI revision: 02
  Detected scsi disk sda at scsi0, id 0, lun 0
  aic7xxx: target 1 now synchronous at 10.0Mb/s
    Vendor: SEAGATE   Model: ST31200N          Rev: 8648
    Type:   Direct-Access                      ANSI SCSI revision: 02
  Detected scsi disk sdb at scsi0, id 1, lun 0
  scsi : detected 2 SCSI disks total.
  SCSI Hardware sector size is 512 bytes on device sda
  SCSI Hardware sector size is 512 bytes on device sdb

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