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Autofocus - SCSI problem

The autofocus command that the LS-30/2000 use, makes the machine freeze (needs hard reset) on some configurations. The symptoms are that the machine crashes when in the function "issue" in sanei_scsi.c the "write" is called. Here is a list of configurations that have/dont have this problem:

Configs that work:
ScannerCoolscan BackendKernelDistributionSCSI-CardLow level SCSI Driversg.o version Status
LS-300.4.22.2.5 / 2.2.9 / 2.2.10 Redhat 6.0 Adaptec 2940 (without U or W)aic7xxx2.2.10 works with autofocus
LS-300.4.22.2.0MandrakeTekram DC 390tmscsim.ovarious works with autofocus
LS-20000.4.22.2.10Redhat 6.0Adaptec AIC-7850aic7xxx.o2.1.34 (990603) works with autofocus
LS-300.4.22.2.5SuSEAdaptec 1542SuSE kernel ?2.2.5 works with autofocus

Configs that crash:
ScannerCoolscan BackendKernelDistributionSCSI-CardLow level SCSI Driversg.o version Status
LS-300.4.22.2.0MandrakeTekram DC 390AM53C974.ovariouscrashes on autofocus
LS-300.4.22.0.36?AVA-1505AE aha152x.o?crashes on autofocus
LS-200.4.02.2.5 / 2.2.10Redhat 6.0 AVA-1505AI aha152x.ovariouscrashes on autofocus
LS-300.4.22.2.11CustomDPT (PCI) (EATA/DMA)eat.o2.1.34 (990603)crashes on autofocus

Please help

If you have any other configuration that work or doesn't work please tell me about it.
If you have the possibility to debug this problem please help.
If you have any idea how to debug the scsi-driver for this problem please tell me.
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This page was last updated: August 10 1999