Correct, it has a flat memory map 0-0xFFFFFFFF I don't make this stuff up and I checked it 3 times (with & without this set (#if 0 & #if 1) - just to make sure I don't have something else weird going on... I'll send you privately my sata_mv.c - so you can inspect that yourself (only custom thing is the EDMA buffers hi/low buffers are set to point to the physical PCI space which is way up in 0xC_xxxx_xxxx space... tom -----Original Message----- From: Mark Lord [mailto:liml@xxxxxx] Sent: Tuesday, December 11, 2007 12:42 PM To: Morrison, Tom Cc: Jeff Garzik; linux-ide@xxxxxxxxxxxxxxx; Tejun Heo; hp@xxxxxxxxxxxx Subject: Re: Responding to 2 thread <2.6.23.8 - Hang with sata_mv (7042)...> AND <Bug: get EXT3-fs error Allocating block in system zone> Morrison, Tom wrote: >> <snip results that worked> >> That's a bit strange, actually.. because you said that this system >>does not have any RAM at any addresses above 0xffffffff. >> The physical RAM in this system is supposedly from 0 - 0xffffffff (4Gbytes). <snip original question> - To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html