From owner-freebsd-current Sat Feb 14 18:58:28 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id SAA08938 for freebsd-current-outgoing; Sat, 14 Feb 1998 18:58:28 -0800 (PST) (envelope-from owner-freebsd-current@FreeBSD.ORG) Received: from dingo.cdrom.com (dingo.cdrom.com [204.216.28.145]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id SAA08933 for ; Sat, 14 Feb 1998 18:58:26 -0800 (PST) (envelope-from mike@dingo.cdrom.com) Received: from dingo.cdrom.com (localhost [127.0.0.1]) by dingo.cdrom.com (8.8.8/8.8.5) with ESMTP id SAA00648; Sat, 14 Feb 1998 18:57:38 -0800 (PST) Message-Id: <199802150257.SAA00648@dingo.cdrom.com> X-Mailer: exmh version 2.0zeta 7/24/97 To: Amancio Hasty cc: current@FreeBSD.ORG Subject: Re: about my last panic In-reply-to: Your message of "Sat, 14 Feb 1998 16:59:05 PST." <199802150059.QAA13152@rah.star-gate.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Sat, 14 Feb 1998 18:57:37 -0800 From: Mike Smith Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG What sort of "heavy" I/O are you talking about here? Are you swapping on this sucker? Is it actually getting a null transfer? > Forgot to include this: > > 419 void wfdstrategy (struct buf *bp) > 420 { > 421 int lun = UNIT(bp->b_dev); > 422 struct wfd *t = wfdtab[lun]; > 423 int x; > 424 > (kgdb) > 425 /* If it's a null transfer, return immediatly. */ > 426 if (bp->b_bcount == 0) { > 427 bp->b_resid = 0; > 428 biodone (bp); > 429 return; > 430 } > (kgdb) print *bp > $4 = {b_hash = {le_next = 0x0, le_prev = 0x0}, b_vnbufs = { > le_next = 0x87654321, le_prev = 0x0}, b_freelist = {tqe_next = 0x0, > tqe_prev = 0x0}, b_act = {tqe_next = 0x0, tqe_prev = 0x0}, > b_proc = 0xf022b7bc, b_flags = 67108944, b_qindex = 0, > b_usecount = 0 '\000', b_error = 0, b_bufsize = 4096, b_bcount = 4096, > b_resid = 0, b_dev = 256, b_data = 0xf39cf000 "", b_kvabase = 0x0, > b_kvasize = 0, b_lblkno = 0, b_blkno = 544, > b_iodone = 0xf01af970 , b_iodone_chain = 0x0, > b_vp = 0xf479c560, b_dirtyoff = 0, b_dirtyend = 4096, b_generation = 0, > b_rcred = 0xf068ac00, b_wcred = 0xf068ac00, b_validoff = 0, b_validend = 0, > b_pblkno = 0, b_saveaddr = 0x0, b_savekva = 0x0, b_driver1 = 0x0, > b_driver2 = 0x0, b_spc = 0xf02163dc, b_cluster = {cluster_head = { > tqh_first = 0x0, tqh_last = 0x0}, cluster_entry = {tqe_next = 0x0, > tqe_prev = 0x0}}, b_pages = {0x0 }, b_npages = 0} > > Tnks, > Amancio > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-current" in the body of the message > -- \\ Sometimes you're ahead, \\ Mike Smith \\ sometimes you're behind. \\ mike@smith.net.au \\ The race is long, and in the \\ msmith@freebsd.org \\ end it's only with yourself. \\ msmith@cdrom.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message