From owner-freebsd-alpha Fri May 28 2:13:20 1999 Delivered-To: freebsd-alpha@freebsd.org Received: from helios.dnttm.ru (dnttm-gw.rssi.ru [193.232.0.205]) by hub.freebsd.org (Postfix) with ESMTP id D15E714D93 for ; Fri, 28 May 1999 02:13:13 -0700 (PDT) (envelope-from dima@tejblum.dnttm.rssi.ru) Received: (from uucp@localhost) by helios.dnttm.ru (8.9.1/8.9.1/IP-3) with UUCP id NAA28117; Fri, 28 May 1999 13:07:02 +0400 Received: from tejblum.dnttm.rssi.ru (localhost [127.0.0.1]) by tejblum.dnttm.rssi.ru (8.9.3/8.9.1) with ESMTP id NAA01419; Fri, 28 May 1999 13:11:56 +0400 (MSD) (envelope-from dima@tejblum.dnttm.rssi.ru) Message-Id: <199905280911.NAA01419@tejblum.dnttm.rssi.ru> X-Mailer: exmh version 2.0gamma 1/27/96 To: Doug Rabson Cc: Hidetoshi Shimokawa , alpha@FreeBSD.ORG Subject: Re: Panic: warning: pmap_changebit didn't. In-reply-to: Your message of "Fri, 28 May 1999 09:29:21 BST." Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Fri, 28 May 1999 13:11:56 +0400 From: Dmitrij Tejblum Sender: owner-freebsd-alpha@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org 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