On Fri, 22 Aug 2003, Mark Tinguely wrote: > > > > I got another pmap related panic on my HTT SMP machine. If I don't get > > that completely wrong, it dies again after accessing the return value of > > pmap_pte_quick(). > > I haven't buried myself in the 5.x pmap/vm code, but I did a visual inspection > of the Bosko Milekic "PSE changes" and they do look correct to me -- good job. > > Do these crashes happen with the HTT turned off? > > It appears interesting that both sources of your panics are in a pv_list loop. > I guess I don't know the "vm_page_queue_mtx" locking well enough, but I see > asserts if "MA_OWNED", but I see how these are set to limit one processor > in the queue. I have now applied Boskos Patch to a recent -CURRENT and also turned on INVARIANTS - same panic, same place in pmap_is_modified(). A UP kernel seems to be ok, but I would need to let it run longer. I'm starting to think of bad RAM. regards, le -- Lukas Ertl eMail: l.ertl_at_univie.ac.at UNIX Systemadministrator Tel.: (+43 1) 4277-14073 Vienna University Computer Center Fax.: (+43 1) 4277-9140 University of Vienna http://mailbox.univie.ac.at/~le/Received on Mon Aug 25 2003 - 22:51:49 UTC
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