[Bug 372170] Re: intel isw raid metadata at odd offset

[3b]

I have the same setup on one of the drives in my ich10 raid. Looking
into it, it seems to be a bios recovery feature for gigabyte
motherboards, which apparently uses the ata HPA, which suggested
bug#219393, which says to add "libata.ignore_hpa=0" to the kernel
command line, which fixes the problem for me.

(for reference, my motherboard is a ga-ex58-ud3r, and last 1k of the affected drive looks like this (offsets from beginning of intel raid signature):
00108400: 2447 4146 5210 4108 0000 0000 0000 0000  $GAFR.A.........
00108410: 0000 0000 0000 0000 0000 3f5b 381d 0000  ..........?[8...
00108420: 0000 0008 0000 0000 0000 0000 0000 0000  ................
.....
00108500: 2231 322f 3330 2f32 3030 382d 5835 382d  "12/30/2008-X58-
00108510: 4943 4831 302d 3741 3839 5147 3041 432d  ICH10-7A89QG0AC-
00108520: 001f d000 00af a95f 4445 4347 5f03 0010  ......._DECG_...
00108530: 0000 0000 0000 0000 0000 0000 0000 0000  ................

where 3f 5b 38 1d = 0x1d385b3f is the sector 2 sectors after the isw
raid metadata)

-- 
intel isw raid metadata at odd offset
https://bugs.launchpad.net/bugs/372170
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