From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1FIjDY-000402-S2 for qemu-devel@nongnu.org; Mon, 13 Mar 2006 04:19:56 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1FIjDV-0003zq-H4 for qemu-devel@nongnu.org; Mon, 13 Mar 2006 04:19:55 -0500 Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1FIjDV-0003zn-E3 for qemu-devel@nongnu.org; Mon, 13 Mar 2006 04:19:53 -0500 Received: from [195.184.98.160] (helo=virtualhost.dk) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_3DES_EDE_CBC_SHA:24) (Exim 4.52) id 1FIjHR-0004Ul-Gc for qemu-devel@nongnu.org; Mon, 13 Mar 2006 04:23:57 -0500 Received: from [62.242.22.158] (helo=router.home.kernel.dk) by virtualhost.dk with esmtp (Exim 3.36 #1) id 1FIjDT-0005oc-00 for qemu-devel@nongnu.org; Mon, 13 Mar 2006 10:19:51 +0100 Received: from nelson.home.kernel.dk ([192.168.0.33] helo=kernel.dk) by router.home.kernel.dk with esmtp (Exim 4.51) id 1FIjDQ-0002Fr-7Q for qemu-devel@nongnu.org; Mon, 13 Mar 2006 10:19:48 +0100 Date: Mon, 13 Mar 2006 10:19:42 +0100 From: Jens Axboe Subject: Re: [Qemu-devel] smp support and ide lba48 Message-ID: <20060313091942.GD13794@suse.de> References: <200603101532.25567.mgoppold@tbz-pariv.de> <20060311123115.GA15454@suse.de> <200603131011.55021.mgoppold@tbz-pariv.de> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline In-Reply-To: <200603131011.55021.mgoppold@tbz-pariv.de> Content-Transfer-Encoding: quoted-printable Reply-To: qemu-devel@nongnu.org List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org On Mon, Mar 13 2006, Mario Goppold wrote: > Am Samstag, 11. M=E4rz 2006 13:31 schrieb Jens Axboe: > > On Fri, Mar 10 2006, Mario Goppold wrote: > > > Hi, > > > > > > I try to install SuSE92-64 on an 400G HD but it fails: > > > > > > hda: max request size: 128KiB > > > hda: cannot use LBA48 - full capacity 838860800 sectors (429496 MB) > > > hda: 268435456 sectors (137438 MB) w/256KiB Cache, CHS=3D65535/16/6= 3, > > > (U)DMA hda:<4>hda: lost interrupt > > > hda: lost interrupt > > > ... > > > > > > > > > If I switch to 32bit (in grub) it works. Here is my Env: > > > > > > Qemu: snapshot20060304 (gcc version 3.3.6) > > > KQemu: kqemu-1.3.0pre3 (gcc version 4.0.2, SuSE10.0, 2.6.13-15.8-sm= p) > > > > > > qemu-img create test.img 400G > > > qemu-system-x86_64 -m 512 -k de -localtime -smp 2 \ > > > -net nic,vlan=3D0,macaddr=3D00:01:02:03:04:05 -net tap,vlan=3D0 \ > > > -hda test.img -cdrom /dev/dvd -boot d > > > > > > If I reduce the image-size it won't better. > > > > > > Yust now I try it without "-smp 2" and see what I want "unkown part= ition > > > table ..." > > > > > > So my question is : Is lba48 not smp save or is smp support broken = (or > > > incomplete)? > > > > lba48 support is not committed yet, read the linux messasge - it says= it=20 > > cannot use lba48, because the drive (qemu) doesn't support it. Find m= y > > latest posting on this list, it should get you going. >=20 > Oh, i oversight that the patches not commited yet. Now i have the patch= es to=20 > the snapshot_2006-03-12 adapted (Patch 2/3 and 3/3 of your Mail from=20 > 4.1.2006) and applied but with no succsess: >=20 > hda: max request size: 128KiB > hda: 838860800 sectors (429496 MB) w/256KiB Cache, CHS=3D52216/255/63, = (U)DMA > hda: lost interrupt > hda: lost interrupt > hda: lost interrupt > hda: lost interrupt > hda:<4>hda: dma_timer_expiry: dma status =3D=3D 0x24 > hda: DMA interrupt recovery > hda: lost interrupt > ... So now you see the full drive size and linux can use it, however there seems to be an unrelated problem with interrupt delivery in smp mode. I can't say what causes that, other 'devices' will likely show the same problem. --=20 Jens Axboe