I don't think it's a USB controller issue.
Those ports are connected to USB hubs, right? I wonder if there's some
ACPI nonsense that's resulting in the hubs not being powered up on
On 7 July 2013 00:32, Hans Petter Selasky
> FYI: The USB stack will currently run a complete controller reset upon
> resume, like during boot.
> -----Original message-----
>> From:Ian Smith <smi...@nimnet.asn.au>
>> Sent: Sunday 7th July 2013 7:52
>> To: Adrian Chadd <adr...@freebsd.org>
>> Cc: freebsd-a...@freebsd.org; freebsd-sta...@freebsd.org;
>> Subject: Re: USB ports on Lenovo T400 do not work after a suspend/resume
>> On Sun, 30 Jun 2013 15:02:57 -0700, Adrian Chadd wrote:
>> > On 30 June 2013 07:22, Ian Smith <smi...@nimnet.asn.au> wrote:
>> > > Nothing of note that I can see, if that usb hub-to-bus remapping is
>> > > normal. As you said, 'CPU0: local APIC error 0x40' looks maybe sus.
>> > > Maybe someone who knows might comment on that?
>> Does noone know what that signifies? Maybe it's not relevant to this.
>> > > Just checking: you've tried other USB devices apart from uftdi0?
>> > Yup, there's no 5v on the port.
>> I was rather taken aback to hear this. Would not this indicate a
>> failure to reinitialise the basic underlying USB hardware on resume?
>> More than a bit bemused, Ian
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