panic due to 'ds_len > SBP_SEG_MAX'

[Garance A Drosihn]

At 9:44 AM +0900 6/20/07, Pyun YongHyeon wrote:
>On Tue, Jun 19, 2007 at 04:51:20PM -0400, Garance A Drosihn wrote:
>  >
>  > This past Sunday I updated my 7.x source tree and compiled everything.
>  > When I tried to boot up with the new kernel, I hit a panic:
>  >
>  >   trying to mount root from ufs:/dev/da0s9
>  >   panic: ds_len > SBP_SEG_MAX, fix busdma code
>  >   KDB: enter: panic
>  >
>  > At the time I was already running late for something else, so I
>  > just rebooted into the old kernel and went back to running that.
>  >
>  > Has anyone else seen this?

>I have no experience with sbp(4) but I guess _bus_dmamap_loader_buffer
>didn't honor specified DMA tag.
>How about attached one?

I did a quick test of this change, but I still get the panic.

-- 
Garance Alistair Drosehn            =   gad at gilead.netel.rpi.edu
Senior Systems Programmer           or  gad at freebsd.org
Rensselaer Polytechnic Institute    or  drosih at rpi.edu