From: utzoo!decvax!cca!netguest@Utexas-11@sri-unix Newsgroups: net.unix-wizards Title: rp07 booting problem Article-I.D.: sri-unix.2993 Posted: Sun Aug 29 20:43:46 1982 Received: Wed Sep 8 01:52:20 1982 Date: 24 Aug 1982 at 1707-CDT I have come up with a solution for the problem of booting 4.1BSD VMUNIX from a freshly-spunup rp07 on a VAX 11/780. It seems that the drive does not clear the Volume-Valid bit when the drive is spun down and then spun back up. However, bits such as the FMT22 (16 or 18 bit mode) get cleared. The following diff listing can be used as a pattern for fixing a version of the standalone hp driver to corectly handle the drive. 45,46d44 < int hp_init[MAXNMBA * 8] = { 0 }; < 82,83c80 < if ((hpaddr->hpds & HPDS_VV) == 0 || < ((hpaddr->hpdt & MBDT_TYPE) == MBDT_RP07 && !hp_init[unit]++)) { --- > if ((hpaddr->hpds & HPDS_VV) == 0) { This patch will work for the 4.1 driver. I also have a patch for the 4.1a standalone driver, however this has not been tested yet. Peter Staubach uucp: duke!uok!ps arpa: oku@utexas-11 -------