| To: | Jun Sun <jsun@mvista.com>, linux-mips@oss.sgi.com |
|---|---|
| Subject: | Re: ide dma in latest cvs |
| From: | Gerald Champagne <gerald.champagne@esstech.com> |
| Date: | Tue, 22 Jan 2002 14:03:45 -0600 |
| References: | <3C4CA8C8.5010801@esstech.com> <3C4DB6DA.7F3E7386@mvista.com> |
| Sender: | owner-linux-mips@oss.sgi.com |
| User-agent: | Mozilla/5.0 (Windows; U; Win 9x 4.90; en-US; rv:0.9.6) Gecko/20011120 |
Did you check what the address is and why it is zero? It seems to me this might be key ... I see what the address is and why it's set to zero. The address is the address of a block of data to be transferred using dma, and it's set to zero because the new interface in blk_rq_map_sg() passes parameters in a page field instead an address field. It looks like this is part of the bio changes for 2.5 that work for x86 but haven't been updated for Mips. I figured that someone else must have run into this and it sounds like someone did. I'll try what Vivien Chappelier recommended in his response. Thanks. Gerald |
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