Date: Wed, 23 Feb 2005 02:47:50 -0800 From: Kris Kennaway <kris@obsecurity.org> To: Ruslan Ermilov <ru@freebsd.org> Cc: Peter Grehan <grehan@freebsd.org> Subject: Re: mutex lock assertion panic in vm_page_free() on sparc64 Message-ID: <20050223104750.GA83146@xor.obsecurity.org> In-Reply-To: <20050223084552.GA88626@ip.net.ua> References: <20050222110318.GA41460@ip.net.ua> <20050222142710.GA42507@ip.net.ua> <20050222190904.GC26262@cs.rice.edu> <200502221422.56994.jkim@niksun.com> <20050222212941.GU3121@noel.cs.rice.edu> <20050223084552.GA88626@ip.net.ua>
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--nFreZHaLTZJo0R7j Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Feb 23, 2005 at 10:45:52AM +0200, Ruslan Ermilov wrote: > Hi Alan, >=20 > On Tue, Feb 22, 2005 at 03:29:41PM -0600, Alan Cox wrote: > > On Tue, Feb 22, 2005 at 02:22:56PM -0500, Jung-uk Kim wrote: > > >=20 > > > FYI, anholt says 'backing vm/uma_core.c to r1.114 has fixed the=20 > > > issue': > > >=20 > > > http://docs.freebsd.org/cgi/mid.cgi?1109089389.4267.7.camel > >=20 > > Ok, thanks. I'd still like to see the contents of the offending > > page. When UMA overwrites the page's object field with a slab > > pointer, it sets a flag within the page. I'd very much like > > to know if this flag is set. > >=20 > I had trouble saving a kernel core -- 6 or 7 times I tried this, > it resulted in the same panic. Finally, I gave up and reverted > to vm/uma_core.c,v 1.114, this game me a working savecore. > Unfortunately, either kdgb(1) doesn't work on sparc64 at the > moment, or this core is troublesome -- it would endlessly print > this: kgdb has never worked on sparc64. You can install the gdb53 port and use that though. Kris --nFreZHaLTZJo0R7j Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (FreeBSD) iD8DBQFCHF9WWry0BWjoQKURAn1uAKDWSb98l/83gWmB8T79g5JfA8egQQCg75e4 wZWzmi9Kr9y0yCpdO+JNLEM= =DoqO -----END PGP SIGNATURE----- --nFreZHaLTZJo0R7j--
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