From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?ISO-8859-1?Q?S=E9guier_R=E9gis?= Subject: Re: [PATCH] net: via-velocity.c fix sleep-with-spinlock bug during MTU change Date: Mon, 23 Jun 2008 19:04:45 +0200 Message-ID: <485FD7AD.5080302@e-teleport.net> References: <20080604215909.GA17446@electric-eye.fr.zoreil.com> <20080614212341.GA12976@electric-eye.fr.zoreil.com> <4856DA62.7080803@e-teleport.net> <20080617214538.GA6388@electric-eye.fr.zoreil.com> <48584AA4.8040801@e-teleport.net> <48593E35.1010409@e-teleport.net> <20080618201012.GA4019@electric-eye.fr.zoreil.com> <48598784.40306@e-teleport.net> <20080619204312.GA2160@electric-eye.fr.zoreil.com> <485B8542.7060204@e-teleport.net> <20080620103910.GA21227@electric-eye.fr.zoreil.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: Andrew Morton , Arjan van de Ven , alan@redhat.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org To: Francois Romieu Return-path: Received: from webmail.e-teleport.net ([213.190.83.68]:51934 "EHLO mail.imsnet.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753227AbYFWREt (ORCPT ); Mon, 23 Jun 2008 13:04:49 -0400 In-Reply-To: <20080620103910.GA21227@electric-eye.fr.zoreil.com> Sender: netdev-owner@vger.kernel.org List-ID: =46rancois Romieu a =E9crit : > S=E9guier R=E9gis : > [...] > =20 >> But if I generate a paquet with a size more than around 3825, the dr= iver=20 >> don't send it and no paquet is send after, work again after an inter= face=20 >> down/up and until no paquet > 3825. >> =20 > > Does it qualify as a regression ? > > =20 No, I test with the version of the driver before patches and I have the sam= e=20 error. I think error is in TX. (TX and RX equipments for the test have the sam= e=20 chip, I don't have other kind of chip available at the moment, that why= =20 I not sure) If theses informations help : When I transmit a paquet of ~ 4000 (for a mtu 4500), When I reboot and PCIE-AER is compiled, I got this message : Jun 23 18:28:31 apollo kernel: +------ PCI-Express Device Error ------+ Jun 23 18:28:31 apollo kernel: Error Severity^I^I: Uncorrected (Non-Fat= al) Jun 23 18:28:31 apollo kernel: PCIE Bus Error type^I: Transaction Layer Jun 23 18:28:31 apollo kernel: Unsupported Request ^I: Multiple Jun 23 18:28:31 apollo kernel: Requester ID^I^I: 0300 Jun 23 18:28:31 apollo kernel: VendorID=3D1106h, DeviceID=3D3119h, Bus=3D= 03h,=20 Device=3D00h, Function=3D00h Jun 23 18:28:31 apollo kernel: TLB Header: Jun 23 18:28:31 apollo kernel: 40000001 0018000c febffc7c 0000fdff Jun 23 18:28:31 apollo kernel: Broadcast error_detected message Jun 23 18:28:31 apollo kernel: Broadcast mmio_enabled message Jun 23 18:28:31 apollo kernel: Broadcast resume message When I reboot and "PCIE-AER and MSI" is compiled, I got this message : Jun 23 18:35:59 apollo kernel: irq 163, desc: c0495dc8, depth: 1, count= :=20 0, unhandled: 0 Jun 23 18:35:59 apollo kernel: ->handle_irq(): c012d997,=20 handle_bad_irq+0x0/0x199 Jun 23 18:35:59 apollo kernel: ->chip(): c0496b20, 0xc0496b20 Jun 23 18:35:59 apollo kernel: ->action(): 00000000 Jun 23 18:35:59 apollo kernel: IRQ_DISABLED set Jun 23 18:35:59 apollo kernel: unexpected IRQ trap at vector a3 --=20 R=E9gis