Date: Tue, 27 Jun 2017 19:45:29 -0400 From: Shawn Webb <shawn.webb@hardenedbsd.org> To: Andriy Gapon <avg@FreeBSD.org> Cc: freebsd-current@FreeBSD.org Subject: Re: ZFS ABD Panic Message-ID: <20170627234529.7jioako7qsmdvdvm@mutt-hbsd> In-Reply-To: <20170627142516.wuveh44jomoagnng@mutt-hbsd> References: <20170626003129.ao72cszn7eeccyhp@mutt-hbsd> <61824b1e-9582-b50f-a55d-5ef4731383d0@FreeBSD.org> <20170627141621.eflvmf53goy45dzh@mutt-hbsd> <8798c2ee-fedf-0641-ffe5-9533d78bc6a2@FreeBSD.org> <20170627142516.wuveh44jomoagnng@mutt-hbsd>
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--ifdxnzw5trumtv3h Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Jun 27, 2017 at 10:25:16AM -0400, Shawn Webb wrote: > On Tue, Jun 27, 2017 at 05:22:39PM +0300, Andriy Gapon wrote: > > On 27/06/2017 17:16, Shawn Webb wrote: > > > On Tue, Jun 27, 2017 at 05:12:01PM +0300, Andriy Gapon wrote: > > >> On 26/06/2017 03:31, Shawn Webb wrote: > > >>> This is on the latest HardenedBSD 12-CURRENT on one of my servers: > > >>> > > >>> [141] panic: sleepq_add: td 0xfffff80008d20560 to sleep on wchan 0x= fffff803b7d4e810 with sleeping prohibited > > >>> [141] cpuid =3D 5 > > >>> [141] time =3D 1498436043 > > >>> [141] KDB: stack backtrace: > > >>> [141] db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0= xfffffe00002fc8b0 > > >>> [141] vpanic() at vpanic+0x19c/frame 0xfffffe00002fc930 > > >>> [141] kassert_panic() at kassert_panic+0x126/frame 0xfffffe00002fc9= a0 > > >>> [141] sleepq_add() at sleepq_add+0x34f/frame 0xfffffe00002fc9f0 > > >>> [141] _sx_xlock_hard() at _sx_xlock_hard+0x2a4/frame 0xfffffe00002f= caa0 > > >>> [141] _sx_xlock() at _sx_xlock+0x98/frame 0xfffffe00002fcae0 > > >>> [141] refcount_remove_many() at refcount_remove_many+0x2a/frame 0xf= ffffe00002fcb20 > > >>> [141] abd_return_buf() at abd_return_buf+0xe3/frame 0xfffffe00002fc= b50 > > >>> [141] vdev_geom_io_intr() at vdev_geom_io_intr+0x114/frame 0xfffffe= 00002fcb70 > > >>> [141] g_io_schedule_up() at g_io_schedule_up+0x42/frame 0xfffffe000= 02fcba0 > > >>> [141] g_up_procbody() at g_up_procbody+0x6d/frame 0xfffffe00002fcbb0 > > >>> [141] fork_exit() at fork_exit+0x84/frame 0xfffffe00002fcbf0 > > >>> [141] fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe00002f= cbf0 > > >> > > >> Seems like another architectural incompatibility between illumos and= FreeBSD. > > >> Are you able to reproduce the crash more or less reliably? > > >=20 > > > Yup. I just need to do a buildworld and it's triggered. > > >=20 > >=20 > > Could you please test this patch? > > http://dpaste.com/12M183A.txt > > I put it together rather quickly, but I think that it should work :) >=20 > Can do later today. I'll report back either tonight or tomorrow. That seems to have fixed it! No kernel panic as of yet. It has survived two world + kernel builds. Thanks a lot for the help! --=20 Shawn Webb Cofounder and Security Engineer HardenedBSD GPG Key ID: 0x6A84658F52456EEE GPG Key Fingerprint: 2ABA B6BD EF6A F486 BE89 3D9E 6A84 658F 5245 6EEE --ifdxnzw5trumtv3h Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEEKrq2ve9q9Ia+iT2eaoRlj1JFbu4FAllS7hcACgkQaoRlj1JF bu4P3BAAi0dXRpmBWZpQbN7TSnzhkqBIm+PyhIW2WE6Y8YdMSCU3BVz87d1C9ReF SLRsQnL0R3+6z1BN3LLFkbnZk+mA5MFDH4JxU2lhC+amvm6BAv/geHUTq31uRKg5 JpxhVPDYmEQRPk+w18/4BwfLSyDHIv0TOX+yroxdYWl9U5J28YN6z3/tBdT/45Zg 4PIAlpQ/Twdt7jm2e+8RTJWkgXXCquFw3oKH4uHx0tK3RyNCXDE2CISpGsC/anfw qKCFiM93aX5fdsXJS1WsrhuTcbvVXzlogODiIdJf4361h7lNzpOlLknjM9CwGO2P qhRviuzG7hPT1tppa084lpkz2IUvnrE4KQuHWts8NbqSXphrvv4ndtapK441Tvhk RV3HnGQQf68yE6oGzuyApHRls1v7RwkD8X9YskHe6TUkixPPfqS3Wzpw5osXYfu8 SMHdHIIbTS1UGqC+t2MUla+tRveJFzolK5AXLnbLlRxSP08afbq1UrSDdw0A0y1v kIIwiaWdQvmnTkfB0wd1DdVNzLrDXcYTawNc0QCmMEkalCm8QRKBXPBT+25C1CIV bpYqtRo/ymFNvhoz6UpjPzNyqhDX3tyhoWePCuCTwxiU0Dh7pQE+wvhjnQs5xUF0 mG2x/NwZEgUau/QeUC7Do6exRhk8Yy0wapp6u7hBfemGmXe8nkc= =nySq -----END PGP SIGNATURE----- --ifdxnzw5trumtv3h--
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