>>>>> "Kumba" == Kumba <kumba@xxxxxxxxxx> writes: Kumba> Jes Sorensen wrote: >> 'git bisect' is your friend here. Cheers, Jes Kumba> That was the answer I was afraid of.... Already tried using Kumba> git bisect to track down a bootmem allocation bug in SGI O2 Kumba> systems (2.6.17 just broke everything it seems...), but the Kumba> bisection point happened to be around the time when all the Kumba> bitops changes were occuring (moving duplicate functions from Kumba> asm-mips -> asm-generic), resulting in a tree that wouldn't Kumba> even compile. Kumba> Having to patch up a broken tree so it even builds to determine Kumba> if the bisection is good or bad might obscure the bug, but Kumba> well, guess that's something to try on the weekend. Uh oh!, bitops changing half way? Maybe the thing to try first is to revert all the bitops mangling. Kumba> Offhand, though, is there anything I should keep an eye out for Kumba> that can do things like setting mb[] to 0x0 (i.e., things you Kumba> guys might've seen happen in the past?). And what do those Kumba> numbers for 'mailbox0', 'ictrl', and 'istatus' mean (I'm Kumba> guessing not much, because they're probably qla1040-specific Kumba> error codes that require chip docs to understand). I believe ICTRL == interrupt control, ISTATUS == interrupt status. Don't have the docts in front of me though. Cheers, Jes - : send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html