Messages in this thread | | | Subject | Re: [PATCH] Re: Shared memory shmat/dt not working well in 2.5.x | From | Zlatko Calusic <> | Date | Tue, 01 Oct 2002 15:37:28 +0200 |
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Hugh Dickins <hugh@veritas.com> writes:
> On Tue, 1 Oct 2002, Zlatko Calusic wrote: >> >> Still having problems with Oracle on 2.5.x (it can't even be started), >> I devoted some time trying to pinpoint where the problem is. Reading >> many traces of Oracle, and rebooting a dozen times, I finally found >> that the culprit is weird behaviour of shmat/shmdt functions in 2.5, >> when combined with mprotect() calls. I wrote a simple test app >> (attached) and I'm also appending output of it below (running on >> 2.4.19 & 2.5.39 kernels, see the difference). > > Exemplary bug report! Many thanks for taking so much trouble to > reproduce the problem. Patch below (against 2.5.39) should fix it: > I'll send Linus and Andrew when I can get hold of a 2.5.40 tree.
Oh, dear sir, but you are the one who solved it eventually. :) Anyway, I'm glad it worked well and I was helpful.
Looking forward to test/bench Oracle w/ patch applied (and report further bugs in ext3, fsync() and friends ;)).
Keep up the good work! -- Zlatko - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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