Date: Wed, 21 Mar 2018 16:26:57 +0400 From: Roman Bogorodskiy <novel@FreeBSD.org> To: David Wolfskill <david@catwhisker.org>, current@freebsd.org Cc: imp@FreeBSD.org Subject: Re: "panic: Unholding 5 with cnt = 0" head/amd64 @r331290 Message-ID: <20180321122656.GA40816@kloomba> In-Reply-To: <20180321120942.GV1233@albert.catwhisker.org> References: <20180321120942.GV1233@albert.catwhisker.org>
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--M9NhX3UHpAaciwkO Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable David Wolfskill wrote: > This is on my build machine, running a GENERIC kernel. (Laptop is still > building lib32 shim libraries as I type). >=20 > Here's a copy/paste from the serial console: >=20 > da3: Attempt to query device size failed: NOT READY, Medium not present > da3: quirks=3D0x2<NO_6_BYTE> > da3: Delete methods: <NONE(*),ZERO> > GEOM: new disk da1 > GEOM: new disk da2 > GEOM: new disk da3 > (da1:umass-sim0:0:0:1): PREVENT ALLOW MEDIUM REMOVAL not supported. > ugen0.4: <Broadcom Corp BCM43142A0> at usbus0 > (dpanic: Unholding 5 with cnt =3D 0 > cpuid =3D 3 > time =3D 1521633742 > KDB: stack backtrace: > db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe00004= 913c0 > vpanic() at vpanic+0x18d/frame 0xfffffe0000491420 > panic() at panic+0x43/frame 0xfffffe0000491480 > dadone() at dadone+0x1cc9/frame 0xfffffe00004919e0 > xpt_done_process() at xpt_done_process+0x390/frame 0xfffffe0000491a20 > xpt_done_td() at xpt_done_td+0xf6/frame 0xfffffe0000491a70 > fork_exit() at fork_exit+0x84/frame 0xfffffe0000491ab0 > fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe0000491ab0 > --- trap 0, rip =3D 0, rsp =3D 0, rbp =3D 0 --- > KDB: enter: panic > [ thread pid 15 tid 100065 ] > Stopped at kdb_enter+0x3b: movq $0,kdb_why > db>=20 >=20 >=20 > Anything I can/should do to poke at it before trying to capture a dump? Looks like it's related to: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D226510#c18 > Peace, > david > --=20 > David H. Wolfskill david@catwhisker.org > An investigator who doesn't make a perp nervous isn't doing his job. >=20 > See http://www.catwhisker.org/~david/publickey.gpg for my public key. Roman Bogorodskiy --M9NhX3UHpAaciwkO Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEcBAEBAgAGBQJask+QAAoJEMltX/4IwiJqN7EIALGUQqNr8+TO42m7HrrpcJfs 6wQuUddeH1Qnf/yGgc00B9+7sbd7JY0hoFzdbI3HH8gtzGGdfRRjgowYfXvt8GfW 5IOhO6SHQFI9TZMu3xDSF+xjjb7eGDpiMeZPl5zqEpF/reUBAToEyW0yzOD4O7/H ysNMfbREfsrTdCl9nvA+iLPMNBdNZHbMBlU5UEg2eB+h6QcwtaeWR5qNGp5eeeg2 BUISLDjUBIShBE0sj8BwE/BXVkf3HYa07lrtQwKo7Lt+iXukQvnUQzk3kjTYN74x eC4xZG5Mx6eGb1KY++c0O8boOjgW4VTDbiFtHD0EJofxeZL1YxoXiTAaGQNGRFU= =AJV5 -----END PGP SIGNATURE----- --M9NhX3UHpAaciwkO--
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