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Date: Wed, 21 Mar 2007 15:34:30 +0100 From: Christian <christiand59@....de> To: linux-kernel@...r.kernel.org Subject: Re: [BUG 2.6.21-rc3-git9] SATA NCQ failure with Samsum HD401LJ On Monday 19 March 2007 08:39:15 Tejun Heo wrote: > Christian wrote: > > Yes, for me the problem was introduced recently. I have moved around > > terabytes (sic!) on my discs with older kernels and I never got errors. > > There is always the possibility of disk going bad, so it would be great > if you can boot an older kernel and verify that the problem doesn't > occur on it. > > Thanks. I've tested multiple kernels (including -mm series) in the range of 2.6.19.7 (before sata_nv adma support went in) up to 2.6.20-rc4. Every NCQ enabled kernel I've tested showed ata errors in dmesg. So I came to the conclusion that my system was faulty. I ran memtest86+ for a long time, but no errors were found. After some fiddling with my HW I discovered that the nforce chipset fan induced some kind of electro magnetic interference to the southbridge, which could clearly be heard as a low frequency noise if I plugged in my speakers to the onboard sound. After replacing the fan, my system is stable again. Now running 2.6.21-rc3-mm2+rsdlv31 without errors. Really strange problem he ;-) -Christian - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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