On 12/10/08, John Baldwin <jhb_at_freebsd.org> wrote: > On Wednesday 10 December 2008 12:22:43 pm Paul B. Mahol wrote: >> On 12/9/08, John Baldwin <jhb_at_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. > > That issue isn't a locking issue, it's an issue with VOP_READDIR() using a > different meaning for i-node numbers than VFS_VGET(), and would happen > regardless of any Giant or vnode locking. Yes, I know that that issue/PR doesnt have anything to do with locking. But displaying bogus messages and still having functional cd9660 for general use means that something is not correctly locked. -- PaulReceived on Wed Dec 10 2008 - 22:54:23 UTC
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