@Alex -- Thanks for all your work on this issue. It's made a huge
difference for running Ubuntu on my X201s (vs. Windows).
How will I know when the patch has made it to a Lucid kernel? I will
not update my kernel until the patch makes it.
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Lucid: No USB after resume on Thinkpad X201, T410, T
The patch for this bug has been submitted for Karmic SRU:
https://lists.ubuntu.com/archives/kernel-team/2010-April/010293.html
This patch will NOT be submitted for Lucid SRU, as it will go into the
upstream -stable trees. Lucid will get the fix via the -stable process.
Thanks.
--
Lucid: No USB
@Alex, thanks, the patch from comment #18 is working just fine on my
vanilla 2.6.34-rc5 and my X201s.
--
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Daddy_Cavy,
I'm a little confused. Did you look at the URL I posted?
http://people.canonical.com/~achiang/lp-532374_566149/
There are two linux-headers packages there.
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@Alex
Thx for building and making the fixed kernel available.
I would like to test this on my T510, but I have a number of DKMS
modules that are built.
Can you create a deb "linux-
headers-2.6.32-22-generic_2.6.32-22.33-lp532374-lp566149_all.deb" so the
headers dependencies don't break and DKMS
Hi Alex,
I can confirm that your test kernel fixes this bug on my x201s (BIOS
version 1.05)
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I have applied the changes from the patch provided by Alex (comment #18) to the
latest ubuntu-karmic kernel (from git repo, 2.6.31-21-generic). This fixes this
bug for my system (Lenovo T410, nvidia, amd64 arch) and suspend/resume works
now like a charm. Thanks!
(Note for the sake of completenes
Evegeni, this is the patch I applied to the Lucid kernel. It's
essentially the same as upstream with a little bit of fuzz.
Martijn, I plan on getting this pushed into Lucid, although it will
appear post-release, since the kernel is locked down now.
** Patch added: "pci-re-enable-devices-on-resume
@Alex: I've tested your kernel and it fixes the problem! Will this be in
the standard-ubuntu kernel ?
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Hi Alex,
could you post the needed patches you applied for your fixed kernel? I'd
like to stay with my own kernels and not use Ubuntu ones on my Debian ;)
TIA
Evgeni
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Hello,
I've built a test kernel that contains a fix for both this bug and for
bug 532374.
With this kernel, you do NOT need to pass a command line parameter for
suspend/resume to work. It should Just Work(tm) on its own. And after
resume, you should also have USB power.
Please download from:
A fix is now making it's way upstream:
http://www.spinics.net/lists/linux-pci/msg08690.html
I've tested on T410 & it now powers the usb port up after suspend. This
support was missing from Linux.
--
Lucid: No USB after resume on Thinkpad X201, T410, T510, W510
https://bugs.launchpad.net/bugs/566
@Jerone
Actually I'm using arch linux, and it seems like the ehci_hcd is built as a
module (at least the file
/lib/modules/2.6.33-ARCH/kernel/drivers/usb/host/ehci_hcd.ko exists)
So I updated the bios, but it works the same way.
The /var/log/pm-suspend.log doesn't tell anything about module unloa
Nevermind I figured out why it doing SUSPEND_MODULES="ehci_hcd" does not
work. It is built into the lucid kernel.
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According to Lenovo the bios expects OS to re-initialize USB controller/USB
Port/USB
device besides controlling the power as ACPI defines.
Given this it is looking like a kernel issue not repowering up USB.
@bbandi
Can you update your bios to 1.15 & see what happens when you try to
I'm using a T410 (BIOS 1.12) with Arch linux x64 (kernel 2.6.33-ARCH)
and with "acpi_sleep=sci_force_enable" workaround, and the USB don't
work after suspend for me eigther. After reloading ehci_hcd, the USB
works again, even after suspend. Strangely, adding
SUSPEND_MODULES="ehci_hcd" to /etc/pm/co
** Summary changed:
- Lucid: No USB after resume on Thinkpad X201, T410, T510
+ Lucid: No USB after resume on Thinkpad X201, T410, T510, W510
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