Date: Fri, 31 Aug 2001 11:22:32 -0700 (PDT) From: John Baldwin <jhb@FreeBSD.org> To: Andrew Gallatin <gallatin@cs.duke.edu> Cc: freebsd-alpha@FreeBSD.org, cvs-committers@FreeBSD.org, Peter Wemm <peter@FreeBSD.org> Subject: Re: cvs commit: src/sys/alpha/alpha pmap.c Message-ID: <XFMail.010831112232.jhb@FreeBSD.org> In-Reply-To: <20010831123412.A83980@grasshopper.cs.duke.edu>
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On 31-Aug-01 Andrew Gallatin wrote: > Peter Wemm [peter@FreeBSD.org] wrote: >> peter 2001/08/30 23:19:08 PDT >> >> Modified files: >> sys/alpha/alpha pmap.c >> Log: >> Same treatment as i386/isa/pmap.c - clean up some style to sync towards >> KSE diff. >> >> Revision Changes Path >> 1.64 +35 -40 src/sys/alpha/alpha/pmap.c > > > Hi Peter, > > I hate to be the bearer of bad news, but my UP1000 crashes about 10 > minutes into a buildworld with today's top of the tree kernel. After > backing out this pmap change, I'm able to make it further (its still > building). > > The crash is: > > fatal kernel trap: > > trap entry = 0x2 (memory management fault) > faulting va = 0xfffffffe00480ca0 > type = access violation > cause = load instructon > pc = 0xfffffc0000582da8 > ra = 0xfffffc0000582ee4 Can you do a 'l *0xfffffc0000582da8' in gdb to see what source line it died on? >#13 0xfffffc0000582ee4 in pmap_remove_pages (pmap=0xfffffe00152eb4f0,sva=0, > eva=4398046511104) at ../../../alpha/alpha/pmap.c:1649 Erm, line 1649 of pmap.c is this: static PMAP_INLINE void free_pv_entry(pv_entry_t pv) { pv_entry_count--; >>> zfree(pvzone, pv); } Which isn't in pmap_remove_pages(). Ah, that address in the frame line is the ra though, the pc might be the zfree call. -- John Baldwin <jhb@FreeBSD.org> -- http://www.FreeBSD.org/~jhb/ PGP Key: http://www.baldwin.cx/~john/pgpkey.asc "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-alpha" in the body of the message
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