From owner-freebsd-current@FreeBSD.ORG Mon Dec 15 12:32:37 2008 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id AFCBA106564A; Mon, 15 Dec 2008 12:32:37 +0000 (UTC) (envelope-from onemda@gmail.com) Received: from mail-gx0-f12.google.com (mail-gx0-f12.google.com [209.85.217.12]) by mx1.freebsd.org (Postfix) with ESMTP id 472BF8FC13; Mon, 15 Dec 2008 12:32:37 +0000 (UTC) (envelope-from onemda@gmail.com) Received: by gxk5 with SMTP id 5so1935854gxk.19 for ; Mon, 15 Dec 2008 04:32:36 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:to :subject:cc:in-reply-to:mime-version:content-type :content-transfer-encoding:content-disposition:references; bh=xGLsrrVV3ZojyUaldyZnWtEMiqtbZQ2aZ/r6FNkt5VI=; b=cWjrVwc1Bn5fRbsF/pECvMEgGxwQg9PDd26TrndRw+h7T4XqSiV6SgOB1EkjQL6dhL eJ4RMZQwk/lOyOmxeNrtZHJkfgVJdRGawTxLbOk/2+iLDTpCxfAQrVF3F++73oNYt77j 08CS1jI+IK1xW0ahV9C2zakK4nz4mS63+q2dU= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version :content-type:content-transfer-encoding:content-disposition :references; b=mVpSKCJdjGY7OEi3NqZlF/r0bVWlErUE80twH1ozfDErJx8wjAd0kwtRfGGSd7fz2U 4HNJxgHJnmThHqhaKTjwD80fvm4mDDS80Lu+cU9diNsOcNK8iLdW6NgKwaqKypHhWk// GFIQ1S3FGLa4FeVmEzfnH7hxS6twjQZriLs6c= Received: by 10.231.30.198 with SMTP id v6mr76589ibc.26.1229344355882; Mon, 15 Dec 2008 04:32:35 -0800 (PST) Received: by 10.231.10.130 with HTTP; Mon, 15 Dec 2008 04:32:35 -0800 (PST) Message-ID: <3a142e750812150432l1d59b6e0icc070935d569ec87@mail.gmail.com> Date: Mon, 15 Dec 2008 13:32:35 +0100 From: "Paul B. Mahol" To: "Kip Macy" In-Reply-To: <3c1674c90812142117m71a6c67dkf6f7dda02a6aa411@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20081212054137.GA42087@plebeian.afflictions.org> <20081215051245.GA58909@plebeian.afflictions.org> <3c1674c90812142117m71a6c67dkf6f7dda02a6aa411@mail.gmail.com> Cc: Damian Gerow , freebsd-current@freebsd.org Subject: Re: ural(4) hits usb/124758 (Was: Panic while using ural(4) with wpa_supplicant) X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 15 Dec 2008 12:32:37 -0000 On 12/15/08, Kip Macy wrote: > I reliably hit panics with ural(4) as well - they appear to be locking > related. > Correct, this PR is same as one from me - but mine is for rum driver. using kern.smp.disabled=1 is workaround. usb2_wlan_rum from usb2 doesnt have that problem - I do not use old usb stack any more. > Cheers, > Kip > > On Mon, Dec 15, 2008 at 5:12 AM, Damian Gerow > wrote: >> I've been able to reliably trigger the panic with ural(4), but I'm pretty >> sure it has nothing to do with wpa_supplicant(8). A quick search of the >> PR >> database turns up usb/124758. >> >> Panic (PID 12 is "irq19: ehci1"): >> >> ----- >> ural0: could not transmit buffer: SHORT_XFER >> panic: ehci_free_sqtd_chain: chain not found >> cpuid = 0 >> KDB: enter: panic >> [thread pid 12 tid 100042] -- Paul