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Date: Tue, 2 Nov 2010 04:47:53 +0100 From: "Rafael J. Wysocki" <rjw@...k.pl> To: Andy Isaacson <adi@...apodia.org> Cc: Matthew Garrett <mjg59@...f.ucam.org>, srajiv@...ux.vnet.ibm.com, linux-kernel@...r.kernel.org Subject: Re: suspend fails on x200 (was Re: [PATCH] tpm: Autodetect itpm devices) On Tuesday, November 02, 2010, Andy Isaacson wrote: > On Mon, Nov 01, 2010 at 06:31:06PM -0700, Andy Isaacson wrote: > > On Mon, Nov 01, 2010 at 09:32:24PM +0000, Matthew Garrett wrote: > > > On Mon, Nov 01, 2010 at 02:19:48PM -0700, Andy Isaacson wrote: > > > > I suspect that it would have failed previously if I'd forced the module > > > > to load, but since tpm_tis now loads automatically as of 2.6.37-rc1, I > > > > have to "rmmod tpm_tis" for suspend to work. > > > > > > Hm. That's what this patch was intended to fix. Can you check that the > > > tree you're using has it merged? The autoloading comes from the fix to > > > the pnp code to use _CID even if _HID is malformed, so now we have a pnp > > > device when we previously didn't. > > > > Hmmm, I am testing with straight-up .37-rc1, c8ddb2713c62. It does not > > include your patch. > > > > This time around, still running -rc1, I ran pm-suspend and it suspended > > + resumed fine. The second time I ran pm-suspend, it switched to text > > console and started flashing the moon LED, but hung there with the LCD > > backlight still on and the LED moon flashing. > > > > So, definitely something exciting going on... and not a simple > > suspend regression, and definitely not caused by this patch, my > > apologies. Subject line updated accordingly. > > > > I'll try applying "Autodetect itpm devices" and report back. > > With your patch applied on top of -rc1, suspend + resume seems to work > fine, and I don't have any error messages from tpm in dmesg. > > Thanks, problem solved. (Still no idea what caused that one > hang-with-blinking-moon, but it doesn't appear to be connected.) Please give us a pointer to the patch, there are other users experiencing this issue. Thanks, Rafael -- 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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