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Date: Sun, 23 Nov 2008 22:24:03 +0000 From: Alan Jenkins <alan-jenkins@...fmail.co.uk> To: Pierre Ossman <drzeus-list@...eus.cx> CC: "J.A. Magallón" <jamagallon@....com>, Linux-Kernel <linux-kernel@...r.kernel.org>, Matthew Garrett <mjg59@...f.ucam.org> Subject: Re: Linux 2.6.27-git3: no SD card reader Pierre Ossman wrote: > On Tue, 14 Oct 2008 23:27:59 +0200 > "J.A. Magallón" <jamagallon@....com> wrote: > > > >>> Have you tested more than one card? >>> >> I have two (both unknown brands for me, but I write full names fwiw): >> - One "MBA Executive HiSpeed SD", 2Gb >> - One "takeMS SDHC card Class6", 8Gb >> >> Both give about 10Mb/s on read with hdparm under 2.6.27. >> > > And both work fine in one of the slots, but not the other? > > >>> What machine is this? >>> >> It's an Acer Aspire One. From what I have seen, there are two SD devices. >> Both are capable to read SDHC cards, I have switched cards and they work >> (or at the moment both are working as backwards-compatible in plain SD >> mode, if that even exists...). >> > > The SD/SDHC distinction is all software, so the hardware doesn't really > care. > > >> I call this half-working because I have to boot with a card inside a slot >> to have it detected. If i boot without the card-in, it even dissapears from >> lspci. This is just with the left SD inserted: >> >> > > No idea why this occurs. I'd guess some ACPI voodoo. You're going to > have to check with the PCI and/or ACPI guys to figure that part of the > mystery out. > This specific problem is what I thought Matthew's acpiphp patch would solve - see my comment <http://bugzilla.kernel.org/show_bug.cgi?id=11828#c1>. If I've got this right, then this *specific* issue isnot a regression. Matthew, if I have confused two similar issues, could you please help by explaining the differences? Thanks Alan -- 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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