>> For giggles I'm rolling back vfs_default.c back to 1.87 since its along >> the backtrace path. > >This didn't work so -CURRENT is fully broke. > >I'd suggest staying on 10/30 not before 4PM PST if you want to not crash >on shutdown. >
The patch worked for me. (Well, a slightly modified one: I passed 0 for the thread argument to vget: It recognises that as special). Included here is the patch to both the ffs and default "sync" operations. I didn't exercise the default one, but the ffs case is certainly behaving itself.
Index: kern/vfs_default.c =================================================================== RCS file: /usr/cvs/FreeBSD-CVS/src/sys/kern/vfs_default.c,v retrieving revision 1.89 diff -u -r1.89 vfs_default.c --- kern/vfs_default.c 1 Nov 2003 05:51:54 -0000 1.89 +++ kern/vfs_default.c 2 Nov 2003 03:36:03 -0000 @@ -898,7 +898,7 @@ } mtx_unlock(&mntvnode_mtx); - if ((error = vget(vp, lockreq, td)) != 0) { + if ((error = vget(vp, lockreq, 0)) != 0) { mtx_lock(&mntvnode_mtx); if (error == ENOENT) goto loop; Index: ufs/ffs/ffs_vfsops.c =================================================================== RCS file: /usr/cvs/FreeBSD-CVS/src/sys/ufs/ffs/ffs_vfsops.c,v retrieving revision 1.221 diff -u -r1.221 ffs_vfsops.c --- ufs/ffs/ffs_vfsops.c 1 Nov 2003 05:51:54 -0000 1.221 +++ ufs/ffs/ffs_vfsops.c 2 Nov 2003 03:22:13 -0000 @@ -1158,7 +1158,7 @@ continue; } mtx_unlock(&mntvnode_mtx); - if ((error = vget(vp, lockreq, td)) != 0) { + if ((error = vget(vp, lockreq, 0)) != 0) { mtx_lock(&mntvnode_mtx); if (error == ENOENT) goto loop;
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