From owner-freebsd-stable Fri Mar 22 13:13:26 2002 Delivered-To: freebsd-stable@freebsd.org Received: from smtp.bmi.net (smtp.bmi.net [204.57.191.31]) by hub.freebsd.org (Postfix) with ESMTP id 83CF837B417 for ; Fri, 22 Mar 2002 13:13:18 -0800 (PST) Received: from yahoo.com ([206.63.201.3]) by smtp.bmi.net (Pro-8.9.3/Pro-8.9.3) with ESMTP id NAA22591 for ; Fri, 22 Mar 2002 13:13:15 -0800 Message-ID: <3C9B9E65.CA168CF1@yahoo.com> Date: Fri, 22 Mar 2002 13:13:09 -0800 From: John Merryweather Cooper X-Mailer: Mozilla 4.61 [en] (OS/2; U) X-Accept-Language: en MIME-Version: 1.0 To: freebsd-stable@freebsd.org Subject: More on ata Trap 12 with tagged queuing enabled Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG As requested, I've recompiled my kernel (after cvsupping) with options DDB With tagged queuing enabled in /boot/loader.conf, I get the following trap and trace: Fatal trap 12: page fault while in kernel mode fault virtual address = 0x70 fault code = supervisor read, page not present instruction pointer = 0x8:0xc017705c stack pointer = 0x10:0xc02ec6fc frame pointer = 0x10:0xc02ec720 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, def32 1, gran 1 processor eflags = interrupt enabled, resume, IOPL = 0 current process = idle iterrupt mask = net tty bio cam kernel: type 12 trap, code=0 Stopped at tsleep+0x74: cmpl $0,0x70(%ebx) db> trace tsleep(c1dc8100,10,c02b6ce6,2710) at tsleep+0x74 ata_command(c1d812c,ec,0,0,0,0,2) at ata_command+0x4ed ata_getparam(c1dc812c,ec,c1ee9c00,c1dec340,400000) at ata_getparam+0x23 ata_reinit(c1dc8100,c1dec340,c01482d4,c02ec7d0,c0179ec5) at ata_reinit+0x1ea ad_timeout(c1dec340,400000,0,0,ffffffff) at ad_timeout+0x122 softclock(0,10,10,10,ffffffff) at softclock+0xd1 doreti_swi() at doreti_swi+oxf db> I hope this helps. jmc To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message