4 Feb 2011 17:17
Re: 2.6.38-rc3 regression on parisc: segfaults
John David Anglin <dave <at> hiauly1.hia.nrc.ca>
2011-02-04 16:17:06 GMT
2011-02-04 16:17:06 GMT
> > This is possibly the infamous COW bug. > > The COW bug that is triggered by a COW from an LWS-CAS? The solution > to which is to use locks around the LWS-CAS even on UP? I'd forgotten > about this issue actually, I should push that patch out to James. I was actually thinking of the fork/clone race for which there are various testcases on the wiki. The aptitude segv is with a SMP kernel, so I don't think this is the UP LWS_CAS issue. However, I agree you should push the change. Dave -- -- J. David Anglin dave.anglin <at> nrc-cnrc.gc.ca National Research Council of Canada (613) 990-0752 (FAX: 952-6602) -- To unsubscribe from this list: send the line "unsubscribe linux-parisc" in the body of a message to majordomo <at> vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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