Bug#677472: [3.1->3.2 regression] Immediate wake on suspend, associated with OHCI on MCP51
- To: Frank Schäfer <fschaefer.oss@googlemail.com>
- Cc: Lan Tianyu <tianyu.lan@intel.com>, Lan Tianyu <lantianyu1986@gmail.com>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Octavio Alvarez <alvarezp@alvarezp.com>, <677472@bugs.debian.org>, Ben Hutchings <ben@decadent.org.uk>, <linux-usb@vger.kernel.org>, Frank Schäfer <schaefer.frank@gmx.net>
- Subject: Bug#677472: [3.1->3.2 regression] Immediate wake on suspend, associated with OHCI on MCP51
- From: Alan Stern <stern@rowland.harvard.edu>
- Date: Thu, 13 Dec 2012 10:47:22 -0500 (EST)
- Message-id: <[🔎] Pine.LNX.4.44L0.1212131044401.1415-100000@iolanthe.rowland.org>
- Reply-to: Alan Stern <stern@rowland.harvard.edu>, 677472@bugs.debian.org
- In-reply-to: <[🔎] 50C9F5DB.6080509@googlemail.com>
On Thu, 13 Dec 2012, Frank Schäfer wrote:
> > I write a quirk patch. Can you test?
>
> Yes, that makes it work !
>
> > I just find one MCP51 and two MCP79 OHCI id. Can you provide more buggy
> > hcd id via "lspci -nnvvv"?
> > Thanks.
>
> I have the MCP61 (rev. A2) with id 10de:03f1.
>
> Further NVIDIA OHCI HCD IDs can be found at
> http://openbenchmarking.org/linux/PCI/0c03.
> But I'm not sure that we should blacklist them all. Maybe this bug has
> been fixed in newer chipset revisions / generations ?
> Where did you get the ID for the MCP79 from ? Is it confirmed that this
> device still suffers from the same bug ?
>
> I also wonder if this could be an BIOS / ACPI issue.
> So far, all boards I've seen were form ASUSTeK (Octavio: A8N-VM, me:
> M2N-VM DH, and I remember having seen the same bug on another M2N board
> with MCP55 a while ago).
It would be great if we could get in touch with an engineer at ASUS or
nVidia who knows the cause of this problem and how to work around it.
Tianyu, do you think this would be possible?
Alan Stern
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