Date: Wed, 10 Dec 2008 18:22:43 +0100 From: "Paul B. Mahol" <onemda@gmail.com> To: "John Baldwin" <jhb@freebsd.org> Cc: freebsd-current@freebsd.org Subject: Re: [PATCH] MPSAFE/LOOKUP_SHARED cd9660 Message-ID: <3a142e750812100922m553be9c6sdcd81d98c81c7ab4@mail.gmail.com> In-Reply-To: <200812091602.10850.jhb@freebsd.org> References: <200811191510.53793.jhb@FreeBSD.org> <200812051608.50120.jhb@freebsd.org> <3a142e750812051354n747bcbcayb31d8d5f4cc15098@mail.gmail.com> <200812091602.10850.jhb@freebsd.org>
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On 12/9/08, John Baldwin <jhb@freebsd.org> wrote: > The RRIP stuff is all done in cd9660_vget_internal() under an exclusive > lock. > It could be a property of the ISO image. "PX" holds permissions (owner, > etc.). Do you get the same messages w/o the patch with the same ISO image / > CD? > > -- > John Baldwin > I searched little for this message and found kern/63446 PR interesting comment: Caused by cd9660_vnops.c rev. 1.77. VOP_READDIR returns bogus d_fileno, VFS_VGET on this value returns bogus vnode with zeroed attributes. I think that whatever locking is done is done wrong. -- Paul
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