Re: [regression] usb and thunderbould are misbehaving or broken due to iommu/vt-d change

[Baolu Lu]

On 2024/8/30 8:29, Tian, Kevin wrote:
> > From: Markus Rathgeb<maggu2810@xxxxxxxxx>
> > Sent: Thursday, August 29, 2024 4:34 PM
> >
> > With respect to my previous comment I tested to fix it myself (I am
> > not a kernel hacker and do not know anything about iommu etc.).
> >
> > After applying the following change to the v6.11-rc5 it seems to fix my
> > problem.
> > I can connect, disconnect and connect the dock and USB is working and
> > no DMAR error.
> as said there was already a fix posted which is similar to below:
>
> https://lore.kernel.org/linux-iommu/20240815124857.70038-1-baolu.lu@xxxxxxxxxxxxxxx/

Above patch has been merged in v6.11-rc6. Please try the latest kernel
version.

Thanks,
baolu