Re: [PATCH 2.6.19] ehca: bug fix: use wqe offset instead wqe address to determine pending work requests
From: Roland Dreier <hidden>
Date: 2006-11-22 23:04:07
> We found this bug actually through a code review by random. Since > (un)fortunately the queue pages were layouted in order, we've not > seen it earlier. It's certainly a bug and can cause kernel panic > if above observation is not met, probably in stress situation > of system. That means the "former" code accesses next page that > it has not allocated. OK. After thinking about this, I'm going to queue it for 2.6.20 -- we're _way_ too close to the 2.6.19 final release to put in patches that aren't either small and obvious, or fix a problem someone hit in real life. - R.