Re: Fw: PROBLEM: Linux V. 2.6.3 panics with "Buffers at physical address >16Mb used for aha1542" at boot time

Jens Axboe
2004-02-20T18:49:55Z

On Fri, Feb 20 2004, James Bottomley wrote:
> On Fri, 2004-02-20 at 00:38, Jens Axboe wrote:
> > Hmm... James, sr_do_ioctl() used to do bouncing for private commands,
> > any reason it doesn't do that anymore?
>
> OK, I've looked through the file history, I can't find anywhere that it
> used to do this.
>
> However, the true solution is to see if we can get scsi_wait_req to go
> through the sg_io code path...that way the block layer will bounce for
> us and we can kill the use_sg == 0 code path in all the drivers.

Yep that'd be my preferred solution as well. Requires bio backing
everything though. I'll hack this up over the weekend.

--
Jens Axboe