Date: Tue, 16 Apr 2013 11:13:48 -0700 From: David Wolfskill <david@catwhisker.org> To: current@freebsd.org Subject: Re: Stack Overflow in GEOM Message-ID: <20130416181348.GR1404@albert.catwhisker.org> In-Reply-To: <201304161756.r3GHuVmu003474@slippy.cwsent.com> References: <201304161756.r3GHuVmu003474@slippy.cwsent.com>
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--ItYuPQ2o89VkWXjV Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Apr 16, 2013 at 10:56:31AM -0700, Cy Schubert wrote: > Has anyone see this before? Just updated my CURRENT partitions on my=20 > testbed and laptop. The laptop just boots but I've managed to capture thi= s=20 > on my testbed (attached to a serial port on another system). >=20 > This is HEAD from yesterday (Apr 15) morning (PDT). The partition being= =20 > booted is ada0s1d. On my laptop it's ada0s3a. KSTACK_PAGES is 4. Is there= a=20 > way to quickly display that kern.kstack_pages from DDB? > ...=20 > panic: stack overflow detected; backtrace may be corrupted > cpuid =3D 1 > KDB: enter: panic > [ thread pid 13 tid 100009 ] > .... I'm seeing this, but my situation is ... reversed: my build machine came up OK: FreeBSD freebeast.catwhisker.org 10.0-CURRENT FreeBSD 10.0-CURRENT #1134 r2= 49538M/249542:1000030: Tue Apr 16 09:15:49 PDT 2013 root@freebeast.catw= hisker.org:/usr/obj/usr/src/sys/GENERIC i386 but my laptop exhibits symptoms that I *believe* resemble those you cited. (I was unable to get a crash dump, and the machine rebooted too quickly after I typed "panic" at the ddb prompt. I don't have a serial console on the laptop.) I had thought that it might be nvidia-driver-related (again), but I also note that the laptop has a single SATA drive, while the build machine has SCSI (possibly SAS -- machine is powered off for the day, since its work is done) drives. Laptop also has 2x the memory the build machine does. (They are each i386.) My last successful smoke-test for head on the laptop was yesterday: FreeBSD g1-227.catwhisker.org 10.0-CURRENT FreeBSD 10.0-CURRENT #869 r2495= 02M/249503:1000030: Mon Apr 15 05:23:38 PDT 2013 root@g1-227.catwhisker= =2Eorg:/usr/obj/usr/src/sys/CANARY i386 I had built head @r249538 this morning, and that's the build where my smoke-test failed. Peace, david --=20 David H. Wolfskill david@catwhisker.org Taliban: Evil men with guns afraid of truth from a 14-year old girl. See http://www.catwhisker.org/~david/publickey.gpg for my public key. --ItYuPQ2o89VkWXjV Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (FreeBSD) iEYEARECAAYFAlFtlNsACgkQmprOCmdXAD0TwgCeMpsc3HcX/sSoOLFcmPt0W5Fh gFgAnjMyyAnqY0LJ5aBlIIm5a7lEdkiu =0346 -----END PGP SIGNATURE----- --ItYuPQ2o89VkWXjV--
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