From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Garzik Subject: Re: megaraid_sata vs megasr Date: Mon, 26 May 2008 13:11:26 -0400 Message-ID: <483AEF3E.5010309@garzik.org> References: <200805261005.31015.maarten@ba.be> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from srv5.dvmed.net ([207.36.208.214]:34015 "EHLO mail.dvmed.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753103AbYEZRL3 (ORCPT ); Mon, 26 May 2008 13:11:29 -0400 In-Reply-To: <200805261005.31015.maarten@ba.be> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: Maarten Vanraes Cc: linux-kernel@vger.kernel.org, linux-scsi Maarten Vanraes wrote: > Hello, (can you CC me? i'm not on the list) > > I have a LSI MegaRAID SAS 8204ELP card, and since it wasn't recognized by any > driver, i tried using the megasr driver supplied by LSI (it also supplies > open_source code with it), i had to modify the code a bit to get it to boot > with kernel-2.6.21 . but there's a very high iowait on it. i'm wondering if > the megaraid_sas driver is meant to be the driver for the same hardware as > megasr? would it help if i just added another PCI ID to the module and try > that one? > > Sincerely, > > Maarten Vanraes > > [] # lspci -s 08:00.0 -vvvn > 08:00.0 0100: 1000:0059 (rev 08) > Subsystem: 1000:3002 > Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr+ > Stepping- SERR+ FastB2B- DisINTx- > Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- > SERR+ Latency: 0, Cache Line Size: 32 bytes > Interrupt: pin A routed to IRQ 18 > Region 0: I/O ports at 3000 [size=256] > Region 1: Memory at d8410000 (64-bit, non-prefetchable) [size=16K] > Region 3: Memory at d8400000 (64-bit, non-prefetchable) [size=64K] > [virtual] Expansion ROM at d8000000 [disabled] [size=2M] > Capabilities: [50] Power Management version 2 > Capabilities: [68] Express (v1) Endpoint, MSI 00 > Capabilities: [98] Message Signalled Interrupts: Mask- 64bit+ > Capabilities: [b0] MSI-X: Enable- Mask- TabSize=1 > Capabilities: [100] Advanced Error Reporting Yeah you can try drivers/scsi/megaraid/megaraid_sas.c or drivers/message/fusion/mptsas.c. A URL to the megasr driver would be nice. Also, please keep linux-scsi in CC (I added it), that's where this sort of things is usually discussed. Jeff