Re[4]: [ros-kernel] Finally have good stack trace on crash I'm experiencing...

[Royce M. I. <ro...@ev...>]

Hello Eric,

Turning on all those lines apparently causes a timing problem, because
it causes ReactOS to hang up at a different point. I'm going to try to
combine the information into a single DPRINT1 to see if that fixes the
timing problem.

Sunday, September 1, 2002, 7:47:37 AM, you wrote:

EK> In AtapiInterrupt() you will find some more DPRINT() macros. Enable one of
EK> them, by changing it to DPRINT1(), to get some more information about the
EK> failed data transfer.

EK> For example, enable the DPRINT() at line 718 to check the validity of the
EK> SRB (Scsi Request Block). The SRB should be the same for each valid
EK> interrupt of a data-transfer.

EK> Or enable the DPRINT()s at lines 757, 758 and 771 to check the progress of
EK> the current transfer. IsLastBlock should be TRUE at the last interrupt of a
EK> transfer. TransferLength is the number of bytes that will have to be
EK> transferred to complete the transfer. It should diminish by 512 (0x200) upon
EK> each interrupt.

EK> Your harddisk might generate an excessive interrupt after the data transfer
EK> has completed. In this case atapi.sys might not identify this interrupt as
EK> invalid.


EK> Eric