Date: Sun, 24 Jan 1999 15:57:05 +0100 (CET) From: Wilko Bulte <wilko@yedi.iaf.nl> To: dillon@apollo.backplane.com (Matthew Dillon) Cc: current@FreeBSD.ORG Subject: Re: panic: found dirty cache page 0xf046f1c0 Message-ID: <199901241457.PAA12682@yedi.iaf.nl> In-Reply-To: <199901240614.WAA60278@apollo.backplane.com> from Matthew Dillon at "Jan 23, 99 10:14:57 pm"
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As Matthew Dillon wrote... > I've committed one bug fix to the 'found dirty cache page' bug -- > turns out vm_map_split() was the culprit, renaming pages > without removing them from PQ_CACHE. The bug was introduced > in -3.0, and hit the KASSERT() I put in -4.x. > > I've committed a general inlining of 'changing the page dirty > status to VM_PAGE_BITS_ALL' and put a sanity check in the inline. > If this problem occurs again, you will get a different panic. > One of: > > vm_page_dirty: page in cache! > vm_page_busy: page already busy!!! > vm_page_wakeup: page not busy!!! > > If your box drops into DDB, please get a backtrace and report > it to the list or to me and we should be able to track down > any remaining dirty-pages-in-PQ_CACHE bugs. FYI: a buildworld of -current including the above on FreeBSD/axp completed without any incidents. Wilko _ ______________________________________________________________________ | / o / / _ Bulte email: wilko@yedi.iaf.nl |/|/ / / /( (_) Arnhem, The Netherlands WWW : http://www.tcja.nl ______________________________________________ Powered by FreeBSD __________ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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