Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753773AbYFAWTw (ORCPT ); Sun, 1 Jun 2008 18:19:52 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751992AbYFAWTj (ORCPT ); Sun, 1 Jun 2008 18:19:39 -0400 Received: from smtp1.linux-foundation.org ([140.211.169.13]:53827 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751961AbYFAWTh (ORCPT ); Sun, 1 Jun 2008 18:19:37 -0400 Date: Sun, 1 Jun 2008 15:19:27 -0700 From: Stephen Hemminger To: Mikael Pettersson Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: sky2 unsupported chip type 0xff failure Message-ID: <20080601151927.43869d06@extreme> In-Reply-To: <18498.24460.411071.234025@harpo.it.uu.se> References: <18498.24460.411071.234025@harpo.it.uu.se> Organization: Linux Foundation X-Mailer: Claws Mail 3.3.1 (GTK+ 2.12.9; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 16887 Lines: 317 On Sun, 1 Jun 2008 10:36:28 +0200 Mikael Pettersson wrote: > I mentioned earlier that the sky2 chip in my ASUS P5B-E Plus > sometimes doesn't get recognized on a cold boot. Well, today > it happened again (first time in over a week). > This is with the 2.6.26-rc4 kernel: > > >sky2 0000:02:00.0: enabling device (0000 -> 0003) > >ACPI: PCI Interrupt 0000:02:00.0[A] -> GSI 17 (level, low) -> IRQ 17 > >PCI: Setting latency timer of device 0000:02:00.0 to 64 > >sky2 0000:02:00.0: unsupported chip type 0xff > >ACPI: PCI interrupt for device 0000:02:00.0 disabled > >sky2: probe of 0000:02:00.0 failed with error -95 > > Here's an lspci dump of the device when it isn't recognized: > > 02:00.0 Ethernet controller: Marvell Technology Group Ltd. Unknown device 4364 (rev 12) > Subsystem: ASUSTeK Computer Inc. Unknown device 81f8 > Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- > Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- SERR- Interrupt: pin A routed to IRQ 17 > Region 0: Memory at ff9fc000 (64-bit, non-prefetchable) [size=16K] > Region 2: I/O ports at c800 [size=256] > [virtual] Expansion ROM at ff9c0000 [disabled] [size=128K] > Capabilities: [48] Power Management version 3 > Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA PME(D0+,D1+,D2+,D3hot+,D3cold+) > Status: D0 PME-Enable- DSel=0 DScale=1 PME- > Capabilities: [50] Vital Product Data > Capabilities: [5c] Message Signalled Interrupts: 64bit+ Queue=0/0 Enable- > Address: 0000000000000000 Data: 0000 > Capabilities: [e0] Express Legacy Endpoint IRQ 0 > Device: Supported: MaxPayload 128 bytes, PhantFunc 0, ExtTag- > Device: Latency L0s unlimited, L1 unlimited > Device: AtnBtn- AtnInd- PwrInd- > Device: Errors: Correctable- Non-Fatal- Fatal- Unsupported- > Device: RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop- > Device: MaxPayload 128 bytes, MaxReadReq 512 bytes > Link: Supported Speed 2.5Gb/s, Width x1, ASPM L0s L1, Port 0 > Link: Latency L0s <256ns, L1 unlimited > Link: ASPM Disabled RCB 128 bytes CommClk- ExtSynch- > Link: Speed 2.5Gb/s, Width x1 > Capabilities: [100] Advanced Error Reporting > 00: ab 11 64 43 03 00 10 00 12 00 00 02 00 00 00 00 > 10: 04 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00 > 20: 00 00 00 00 00 00 00 00 00 00 00 00 43 10 f8 81 > 30: 00 00 00 00 48 00 00 00 00 00 00 00 00 01 00 00 > 40: 00 00 f0 01 00 80 a0 01 01 50 03 fe 00 20 00 13 > 50: 03 5c 00 80 00 00 00 01 00 00 00 01 05 e0 80 00 > 60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 70: 00 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 80: 00 00 00 00 00 70 00 00 00 00 00 00 82 a8 e8 00 > 90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > c0: 00 00 00 00 00 00 00 00 00 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00 00 00 00 00 > e70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > e80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > e90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > ea0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > eb0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > ec0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > ed0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > ee0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > ef0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > f10: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > f20: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > f30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > f40: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > f50: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > f60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > f70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > f90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > fa0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > fb0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > fc0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > fd0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > fe0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > ff0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > > A warm reboot typically solves this problem, though > it's annoying. > > I suspect the BIOS failed to complete some initialisation > the first time, which caused the sky2 driver to bail. > Which makes me think that maybe sky2 is missing some > low-level reset or init code. > > /Mikael More likely it takes longer to reset and the processor is too fast. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/