Date: Fri, 28 May 1999 13:11:56 +0400 From: Dmitrij Tejblum <dima@tejblum.dnttm.rssi.ru> To: Doug Rabson <dfr@nlsystems.com> Cc: Hidetoshi Shimokawa <simokawa@sat.t.u-tokyo.ac.jp>, alpha@FreeBSD.ORG Subject: Re: Panic: warning: pmap_changebit didn't. Message-ID: <199905280911.NAA01419@tejblum.dnttm.rssi.ru> In-Reply-To: Your message of "Fri, 28 May 1999 09:29:21 BST." <Pine.BSF.4.05.9905280922430.413-100000@herring.nlsystems.com>
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Doug Rabson wrote: > > In trap(ALPHA_IF_CODE_FEN), and probably in other places, fpcurproc may be > > swapped out. > > > > I see following solutions: > > - move pcb out of upages > > - keep fpcurproc locked in memory: when we change fpcurproc, PRELE > > old and PHOLD new. > > - fault fpcurproc in when the FPU state need to be saved > > - disable swapping forever > > I think the simplest is to do the second option. I'd like to keep the fix > small so that it can be back-ported to 3.2. Do you want to work on fixing > this or shall I? I probably won't be able to get to it before the weekend. No, please do. I'll probably be busy today too. Dima To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-alpha" in the body of the message
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