spearce@xxxxxxxxxxx wrote on Fri, 12 Aug 2011 09:09 -0700:
> On Fri, Aug 12, 2011 at 08:15, Pete Wyckoff <pw@xxxxxxxx> wrote:
> > Somebody at $work found this problem:
> >
> > $ git ls-files -s | wc
> > error: packfile .git/objects/pack/pack-1627e77da82bbb36118762649c8aa88c05664b1e.pack cannot be accessed
> > [..lots more similar errors..]
> >
> > Turns out his shell's open file descriptor limit was 500. And
> > there are 1600 pack files in the repo.
> >
> > Increasing the descriptor limit to 1024 fixed it. I could
> > probably get him to repack, which may also fix it.
> >
> > Does it seem feasible to look for EMFILE errors and close
> > some packs? Or at least spit out a more intuitive error?
>
> What version of Git? I remember fixing this already.... :-)
Initially 1.7.5.4. Same problem on 1.7.6 and master.
I have your "Limit file descriptors used by packs" (c793430, 28
feb 2011).
It fails here:
if (!is_pack_valid(p)) {
error("packfile %s cannot be accessed", p->pack_name);
goto next;
}
because p->pack_fd is -1, because an earlier git_open_noatime()
got EMFILE. The function unuse_one_window() is never able to
find anything to close.
I'll do some more debugging this weekend. Thanks for pointing
out that it _should_ be fixed.
-- Pete
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