Date: Sun, 8 Jul 2012 19:59:22 +0300 From: Konstantin Belousov <kostikbel@gmail.com> To: Michael Butler <imb@protected-networks.net> Cc: alc@freebsd.org, current@freebsd.org Subject: Re: sleeping thread panic? Message-ID: <20120708165922.GE2338@deviant.kiev.zoral.com.ua> In-Reply-To: <4FF9BC03.1040008@protected-networks.net> References: <4FF98128.6050607@protected-networks.net> <20120708133455.GX2338@deviant.kiev.zoral.com.ua> <4FF98F21.9060003@protected-networks.net> <20120708143113.GZ2338@deviant.kiev.zoral.com.ua> <4FF9A4A8.5050903@protected-networks.net> <4FF9BC03.1040008@protected-networks.net>
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--XLR3b0NScy54cC0V Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sun, Jul 08, 2012 at 12:57:39PM -0400, Michael Butler wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 >=20 > On 07/08/12 11:18, Michael Butler wrote: > > On 07/08/12 10:31, Konstantin Belousov wrote: > >> Catch it next time ? This should be quite reproducable, if real. > >=20 > >> Actually, try this. > >=20 > >> diff --git a/sys/vm/vm_pageout.c b/sys/vm/vm_pageout.c > >> index 9485fdd..de33afc 100644 > >> --- a/sys/vm/vm_pageout.c > >> +++ b/sys/vm/vm_pageout.c > >> @@ -1030,7 +1030,6 @@ rescan0: > >> ++pageout_lock_miss; > >> if (object->flags & OBJ_MIGHTBEDIRTY) > >> vnodes_skipped++; > >> - vm_page_lock_queues(); > >> goto unlock_and_continue; >=20 > [ .. snip .. ] >=20 > > Just waiting for the second of two attached RAID arrays to finish > > rebuilding and I'll give this a shot - thanks! >=20 > I repeated the dumps from last night over NFS with this patch installed > and no more panics :-) But, are panics reproducable without the patch ? --XLR3b0NScy54cC0V Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (FreeBSD) iEUEARECAAYFAk/5vGkACgkQC3+MBN1Mb4i7VwCfX2z+Vj4cewoGE2kQMqp3NFFu hcYAmI/pIY4LahrbteG1hbhae90F8ko= =SUYd -----END PGP SIGNATURE----- --XLR3b0NScy54cC0V--
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