Messages in this thread |  | | Date | Fri, 14 Feb 2014 09:00:12 -0500 | From | Peter Hurley <> | Subject | Re: Lenovo X240 (haswell) suspend-to-ram hangs on 3-14.0-rc2 |
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On 02/14/2014 08:57 AM, Takashi Iwai wrote: > At Fri, 14 Feb 2014 21:46:25 +0800, > Jeff Chua wrote: >> >> On Fri, Feb 14, 2014 at 1:28 AM, Takashi Iwai <tiwai@suse.de> wrote: >>> At Thu, 13 Feb 2014 12:14:58 -0500, Peter Hurley wrote: >>> Apparently there's no maintainer but I've cc'ed people who might >>> have a clue about this. >> >> Peter ... thanks for pointer. >> >>> On Fri, Feb 14, 2014 at 1:28 AM, Takashi Iwai <tiwai@suse.de> wrote: >>> Is it a Intel+Nvidia hybrid? If so, does it happen even with >>> CONFIG_VGA_SWITCHEROO=n? >> >> It's not Intel+Nvidia. It's Intel Core i7-4600U 2.1 GHz, Intel HD Graphics 4400. > > OK. Then it's a different thing as I expected. > > The other possible change in hda_intel.c is the enablement of runtime > PM for Panther Point. But it's been working for other chips, so > wondering why it hits anything. In anyway, please give the full > Oops messages not only the stack trace.
Also, please attach your config and dmesg.
>> I checked my config. CONFIG_VGA_SWITCHEROO is not set. >> >> On Fri, Feb 14, 2014 at 5:21 AM, Theodore Ts'o <tytso@mit.edu> wrote: >>> For what it's worth, I have a the X240's bigger brother --- a T540p >>> (with intel graphics and the 3k panel) running 3.14-rc2, and >>> suspend-to-ram is working without any problems on my laptop. >> >> Interesting. Perhaps it's the USB options. I had these set to "y" >> >> CONFIG_USB_XHCI_HCD=y >> CONFIG_USB_EHCI_HCD=y >> CONFIG_USB_EHCI_ROOT_HUB_TT=y >> CONFIG_USB_EHCI_TT_NEWSCHED=y >> CONFIG_USB_EHCI_PCI=y >> >> Again, These same config works find on X230. It's very strange. The >> same hard disk (SSD) can suspend-to-ram on the X230 but not on the >> X240. The X230 has i7-3520M vs X240 i7-4600U. > > Any difference in the sound hardware, i.e. PCI controller and codec > chips? > >> I've even tried with all the USB set to "n" and still couldn't S2D. > > Do you mean S2R? I thought the bug is about S3?
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