I've added some AMD people to Cc. Suravee, Tom, any ideas here? One of
the screen-shots behind the link below show IOTLB_INV_TIMEOUT errors, so
it is likely ATS related. Maybe you guys can reproduce it on your side?
Thanks,
Joerg
On Thu, Apr 26, 2018 at 10:28:47AM +0000, ojab // wrote:
> I've made a bugzilla issue [1] about it, but I'm not sure if anyone
> reading bugzilla reports, so duplicating here.
> I have raven ridge APU (2400g) + ASUS A320M-K motherboard and boot
> (4.16.4 & 4.17-rc2) hangs printing many `[ 0.001000] AMD-Vi Command
> Buffer Timeout` messages. With IOMMU disabled (either via EFI/BIOS or
> using amd_iommu=off) it boots fine.
>
> What info is needed to debug/fix it?
>
> [1] https://bugzilla.kernel.org/show_bug.cgi?id=199513
>
> //wbr ojab
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