From mboxrd@z Thu Jan 1 00:00:00 1970 From: Johny A Subject: Re: SATA_SX4: data corruption with simultaneous writes Date: Sun, 06 Feb 2005 22:04:54 +1000 Message-ID: <420607E6.5060900@agotnes.com> References: <41D3A15C.5050809@agotnes.com> <41E08A4B.5090400@agotnes.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="------------040908070109000308000201" Received: from munin.agotnes.com ([202.173.149.60]:43392 "EHLO mail.agotnes.com") by vger.kernel.org with ESMTP id S261193AbVBFMFP (ORCPT ); Sun, 6 Feb 2005 07:05:15 -0500 In-Reply-To: <41E08A4B.5090400@agotnes.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: linux-ide@vger.kernel.org Cc: jgarzik@pobox.com, alan@lxorguk.ukuu.org.uk This is a multi-part message in MIME format. --------------040908070109000308000201 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Jeff et al, I'd appreciate if you'd apply the attached patch to the Kconfig file as it may well save people with an SX4 rather a lot of time. It'd be fantastic if it made the patchset for 2.6.11 which I see you're busy preparing. Thanks! :)Johny Johny A wrote: > Guys, > > Sorry to be a pain, wee bump for this note. In particular, if there is > no time to fix this issue now could a wee note be added to the driver > (in the docs, or possibly in the kernel log) stating that it is > potentially dangerous to use this card with the current crop of kernels? > > I'm still happy to help with testing and debugging, but as stated > before, a couple of hints and pointers would be required :) > > Thanks for listening! > > :)Johny > > Johny A wrote: > >> Jeff et al, >> >> I found this one on the mailing-list; >> http://marc.theaimsgroup.com/?l=linux-ide&m=109749133709795&w=2 >> >> and have the same issues as described there, and also in the previous >> mails in this thread. >> >> The difference is, I can reproduce this with the simplest possible setup; >> >> I have an older Asus Mobo with an AMD1.33GHz CPU, >> 1 Promise SX4 SATA controller (0000:00:0a.0 RAID bus controller: >> Promise Technology, Inc.: Unknown device 6622 (rev 01)) >> 2 Seagate ST380817AS, Rev: 3.42 (80 GB SATA) disks >> >> Disks each have 1 large partition with ext2 on them. >> >> 1. I boot off a Gentoo LiveCD running 2.6.9 >> 2. I scp over some 180 MB simultaneously to the two disks across the >> network, one shell copying to 1 disk only >> 3. Unzip the .bz2 and .gz files just copied the files, again 1 shell >> working on each disk (no cross disk stuff going on at all). >> >> Typically, within a few minutes at most of the unzipping starting I >> get CRC errors on the files. No errors in dmesg necessarily. Sometimes >> I get errors unzipping - unmount the drive and run fsck which reports >> no errors - very insidious! >> >> I'd like the card to work - hey, I got one! and am willing to use my >> setup for testing of new driver versions. I'm useful with C, but not a >> kernel hacker, give me pointers to what needs done and I'll get it >> done, no worries... >> >> Let me know if I can help getting this thing fixed! >> >> Thanks, >> >> Johny A >> > - > To unsubscribe from this list: send the line "unsubscribe linux-ide" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > --------------040908070109000308000201 Content-Type: text/plain; name="patch" Content-Transfer-Encoding: 7bit Content-Disposition: inline; filename="patch" --- a/drivers/scsi/Kconfig 2005-02-06 21:58:45.823674543 +1000 +++ b/drivers/scsi/Kconfig 2005-02-06 21:58:47.888341520 +1000 @@ -455,6 +455,10 @@ help This option enables support for Promise Serial ATA SX4. + This driver is experimental and issues have been raised on linux-ide + stating that data corruption may occur when running with multiple + disks on this controller. + If unsure, say N. config SCSI_SATA_SIL --------------040908070109000308000201--