"Matt D. Robinson" <yakker@xxxxxxxxxxxxxx> wrote:
>> >i just patched the latest lkcd patch into the SGI XFS tree (which
>> >also contains kdb) ... it so far also works but after it has
>> >written the dump it panics (now into kdb) on mm/memory.c line 634
> The solution at this point is two-fold. First, I believe you can
> remove the call to free_kiovec(), and that would eliminate the
> problem (if you have a system ready to try it, give it a shot).
> If that doesn't work, I can explore it in more detail. We don't
> _really_ have to free the kiovec, as we're pretty much done with
> I/O, and all we're going to do is reset the system anyway. I just
> had that in there for completeness.
> The _real_ solution is to not use kiobufs at all. I've got
> an IDE dump driver sort of working, it's choking after about 700 pages
> or so (not sure why yet), but it's coming along. That will be our
> next patch. In the meantime, though, if the removal of free_kiovec()
> fixes the problem, let me know and I'll release a patch in the meantime.
ok - without free_kiovec it works as expected - thanks (if you do
a new patch something against 2.4.[0,1] might be good for others
because the test1[1,2] patches have a few (simple) rejects btw.
t
--
thomas.graichen@xxxxxxxxxxxxxx
innominate AG
the linux architects
tel: +49-30-308806-13 fax: -77 http://www.innominate.com
|