> > Ah! Figured it out after reading through init's src: /dev didn't > > exist therefore the machine wouldn't start. No good. I may find > > a place to stick this got'cha in the docs or add an mkdir() call > > to init. > > mkdir(2) on / is not going to work if / is readonly. The kernel > actually tries to do a vop_mkdir() already, I think. The eventual > solution is probably a rootfs (blaim mux).
Well, I haven't tested this, but I think you're right that it's nmount() that's failing and the lack of a check on it's return value. I haven't tested this beyond compiling it, but I suspect it'll work and fix this corner case. -sc -- Sean Chittenden
Index: init.c =================================================================== RCS file: /home/ncvs/src/sbin/init/init.c,v retrieving revision 1.55 diff -u -r1.55 init.c --- init.c 17 Dec 2002 21:23:36 -0000 1.55 +++ init.c 28 Mar 2003 23:48:07 -0000 @@ -304,7 +304,10 @@ iov[3].iov_base = _PATH_DEV; iov[3].iov_len = sizeof(_PATH_DEV); } - nmount(iov, 4, 0); + if (nmount(iov, 4, 0) < 0) { + perror("nmount failed (" _PATH_DEV ")"); + _exit(1); + } if (s != NULL) free(s); }
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