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| /freebsd-10.2-release/sys/dev/aic7xxx/ | ||
| H A D | aic7xxx.reg | diff 25123 Thu Apr 24 16:52:18 MDT 1997 gibbs The following scenario would result in a bogus residual being reported if SCB Paging was enabled: disconnect with more data to transfer disconnected SCB gets paged out target reconnects so we page SCB back in target completes transfer so residual is 0 target disconnects SCB gets reused but not paged out since the residual is 0 (optimization) target reconnects so we page the SCB back in we report a residual because of stale residual information. The fix for this is to set a flag that forces the SCB to be paged back up to the host if we page in an SCB with a residual Pointed out by: Doug Ledford <dledford@dialnet.net> |
| H A D | aic7xxx.seq | diff 25123 Thu Apr 24 16:52:18 MDT 1997 gibbs The following scenario would result in a bogus residual being reported if SCB Paging was enabled: disconnect with more data to transfer disconnected SCB gets paged out target reconnects so we page SCB back in target completes transfer so residual is 0 target disconnects SCB gets reused but not paged out since the residual is 0 (optimization) target reconnects so we page the SCB back in we report a residual because of stale residual information. The fix for this is to set a flag that forces the SCB to be paged back up to the host if we page in an SCB with a residual Pointed out by: Doug Ledford <dledford@dialnet.net> |
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