From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:39900) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TG9aQ-0005j8-0s for qemu-devel@nongnu.org; Mon, 24 Sep 2012 10:24:43 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TG9aK-0005sc-7p for qemu-devel@nongnu.org; Mon, 24 Sep 2012 10:24:37 -0400 Received: from nm22.bullet.mail.sp2.yahoo.com ([98.139.91.92]:21419) by eggs.gnu.org with smtp (Exim 4.71) (envelope-from ) id 1TG9aJ-0005sV-UH for qemu-devel@nongnu.org; Mon, 24 Sep 2012 10:24:32 -0400 From: Shawn Starr Date: Mon, 24 Sep 2012 10:24:24 -0400 Message-ID: <7909933.UYP1mn2ksl@segfault.sh0n.net> In-Reply-To: <50602D64.1080801@redhat.com> References: <3321480.8UDes0xfFC@segfault.sh0n.net> <3951102.8BSsYDziPU@segfault.sh0n.net> <50602D64.1080801@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Subject: Re: [Qemu-devel] EHCI USB regression in 1.2.0 - ehci_state_fetchqtd() asserting List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Hans de Goede Cc: qemu-devel@nongnu.org, gerd@kraxel.org On Monday, September 24, 2012 11:52:36 AM Hans de Goede wrote: > Hi, > > On 09/23/2012 08:52 PM, Shawn Starr wrote: > > I see why there are USB errors, I am seeing corrupt video frames with > > webcam attached via spice-usbredirection, this is not seen with host-usb > > attachment. > What errors exactly are you talking about I did not notice any error > messages in your logs. > buffer overflows, not errors however bufpq overflow, dropping packets ep 81 > > with spice/usb-redirection it can't seem to keep up with the packets, > > freezes/drops them. > > You are running Fedora-18, right? Can you please try using either kernel > 3.6.0-0.rc6.git0.1.fc18.x86_64 or an F-17 kernel, most Fedora 18 kernels > have various debugging options enabled causing significant additional > latencies in the network stack. > Linux segfault.sh0n.net 3.6.0-0.rc6.git0.1.fc18.x86_64 #1 SMP Mon Sep 17 13:16:51 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux Yes, I am running the last non-debug kernel, but frames would freeze, or you would get some interlaced with other frames, not really usable. > Also watch top and see you're not maxing out your CPU ... This I would need to try again to confirm that. > > Regards, > > Hans