[ltp] New ThinkPad series

Clark Williams linux-thinkpad@linux-thinkpad.org
Wed, 6 Apr 2011 09:52:38 -0500


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On Tue, 5 Apr 2011 18:20:13 -0500
Damon Lynch <damonlynch@gmail.com> wrote:

> On Tue, Apr 5, 2011 at 4:17 PM, Clark Williams <williams@redhat.com> wrot=
e:
>=20
> >
> > Anyone actually used expresscard with their Thinkpad Edge?
> >
> >
> I don't use Fedora but I can speak of experience with Ubuntu under a
> Thinkpad T400s.
>=20
> In Ubuntu 10.10 and earlier, I could plug in an ExpressCard USB 3 device
> after the machine had booted. Any USB 3 hard drives attached would be
> recognized and mounted (actually getting USB 3 drives to work reliably un=
der
> Linux is another question).
>=20
> With Ubuntu 11.04, this is no longer the case. The ExpressCard USB 3 devi=
ce
> works only if it is in the laptop before booting. If you insert it after
> boot, there is nothing in dmesg to indicate the system recognizes it.
>=20
> It's the same for my ExpressCard CompactFlash reader. It works as expected
> in Ubuntu 10.10, but only if inserted at boot time under Ubuntu 11.04.
>=20
> This is a clear regression. I've filed a bug but since I am not an expert=
 I
> don't know how to diagnose its cause; I suspect the bug report will langu=
ish
> because of this.
>=20
> I hope that helps.
>=20
> Damon
>

Bingo. Powered off, inserted Expresscard, booted and voila! we have
firewire. Either a udev or kernel (or both) regression.=20

Thanks for the suggestion Damon!

Clark

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