Date: Wed, 18 Jan 2012 11:06:11 +0000 From: Anton Shterenlikht <mexas@bristol.ac.uk> To: Peter Jeremy <peterjeremy@acm.org> Cc: freebsd-sparc64@freebsd.org Subject: Re: sparc64/164227: Can't boot 9.0-RELEASE/sparc64 on Blade 1500 Message-ID: <20120118110611.GA28694@mech-cluster241.men.bris.ac.uk> In-Reply-To: <201201181050.q0IAoClv086271@freefall.freebsd.org> References: <201201181050.q0IAoClv086271@freefall.freebsd.org>
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On Wed, Jan 18, 2012 at 10:50:12AM +0000, Peter Jeremy wrote: > The following reply was made to PR sparc64/164227; it has been noted by GNATS. > > From: Peter Jeremy <peterjeremy@acm.org> > To: "C. P. Ghost" <cpghost@cordula.ws> > Cc: freebsd-gnats-submit@FreeBSD.org > Subject: Re: sparc64/164227: Can't boot 9.0-RELEASE/sparc64 on Blade 1500 > Date: Wed, 18 Jan 2012 19:43:55 +1100 > > --cWoXeonUoKmBZSoM > Content-Type: text/plain; charset=us-ascii > Content-Disposition: inline > Content-Transfer-Encoding: quoted-printable > > On 2012-Jan-17 00:47:14 +0000, "C. P. Ghost" <cpghost@cordula.ws> wrote: > >Booting a FreeBSD-9.0-RELEASE kernel on a Blade 1500 panics with: > > > >panic: kmem_suballoc: bad status return of 3 > >cpuid =3D 0 > >KDB: stack backtrace: > > #0 0xc079841c at ??+0 > > #1 0xc04ca59c at ??+0 > > #2 0xc0487f90 at ??+0 > > #3 0xc0098028 at ??+0 > > > >This is on a Blade 1500 with 2 GB of RAM. > > I can reproduce this on my SB1500 but only with 2GB RAM (4x512MB > DIMMs) installed. When I install 1GB RAM (4x256MB) or 4GB RAM > (4x1GB), FreeBSD-9.0-RELEASE-sparc64-disc1.iso boots successfully. > > The problem is still present in 10-current: > ok boot freebsd > Boot device: /pci@1e,600000/ide@d/disk@1,0 File and args:=20 > =20 > >> FreeBSD/sparc64 boot block > Boot path: /pci@1e,600000/ide@d/disk@1,0:a > Boot loader: /boot/loader > Consoles: Open Firmware console > > FreeBSD/sparc64 bootstrap loader, Revision 1.0 > (root@sb1500.vk2pj.dyndns.org, Fri Jan 6 14:29:31 EST 2012) > bootpath=3D"/pci@1e,600000/ide@d/disk@1,0:a" > Loading /boot/defaults/loader.conf > /boot/kernel/kernel data=3D0x576f58+0x1fbea8 syms=3D[0x8+0x7db80+0x8+0x7298= > 1] > > Hit [Enter] to boot immediately, or any other key for command prompt. > Booting [/boot/kernel/kernel]... > jumping to kernel entry at 0xc0070000. > KDB: debugger backends: ddb > KDB: current backend: ddb > Copyright (c) 1992-2012 The FreeBSD Project. > Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 > The Regents of the University of California. All rights reserved. > FreeBSD is a registered trademark of The FreeBSD Foundation. > FreeBSD 10.0-CURRENT #4 r229481M: Tue Jan 10 15:54:52 EST 2012 > root@sb1500.vk2pj.dyndns.org:/usr/obj/usr/src/sys/sb1500 sparc64 > WARNING: WITNESS option enabled, expect reduced performance. > panic: kmem_suballoc: bad status return of 3 > KDB: stack backtrace: > (null)() at 0xc02a0330 > (null)() at 0xc04526fc > (null)() at 0xc028a894 > (null)() at 0xc024da70 > (null)() at 0xc0070028 > KDB: enter: panic > [ thread pid 0 tid 0 ] > Stopped at 0xc02d5dc0: ta %xcc, 1 > db> bt > Tracing pid 0 tid 0 td 0xc0587890 > (null)() at 0xc02a0374 > (null)() at 0xc04526fc > (null)() at 0xc028a894 > (null)() at 0xc024da70 > (null)() at 0xc0070028 > db>=20 > > Since DDB isn't seeing the symbols, I didn't go further but expanded > those addresses later via kgdb: > 0x00000000c02a0330 <panic+336>: call 0xc02d6340 <kdb_backtrace> > 0x00000000c02a0374 <panic+404>: call 0xc02d5d40 <kdb_enter> > 0x00000000c04526fc <kmem_suballoc+124>: call 0xc02a01e0 <panic> > 0x00000000c028a894 <kmeminit+756>: call 0xc0452680 <kmem_suballoc> > 0x00000000c024da70 <mi_startup+464>: call %g1 > 0x00000000c0070028 <btext+40>: call 0xc024d8a0 <mi_startup> > > Overall, this suggests that Marius is correct in his suspicion that > this is related to strangeness in the RAM layout. oh.. this is similar to my panic: http://lists.freebsd.org/pipermail/freebsd-sparc64/2012-January/008164.html but my keyboard freezes, so I can't get a backtrace. This is also on a 2GB box. My other box with 4GB is fine. -- Anton Shterenlikht Room 2.6, Queen's Building Mech Eng Dept Bristol University University Walk, Bristol BS8 1TR, UK Tel: +44 (0)117 331 5944 Fax: +44 (0)117 929 4423
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