Comment 71 for bug 1747463

(In reply to Nikolai from comment #17)
> Hi,
> I still encounter a same issue concerned to ext4 fs corruption using linux
> kernels 4.19.16... 4.20.27 on HP laptop 17-ak041ur (2 pcs on hand).
>
> Laptop configs are A6-9220 radeon r4 5 compute cores 2c+3g, 4G RAM, 200GB
> Intel SSD (1st laptop) or 500GB Toshiba HDD (2nd laptop)

This patch works for me:

https://lkml.org/lkml/2019/4/8/331

One also can use a 'pci=noats' as a temporary countermeasure.

Thanks to Joerg Roedel <email address hidden> who guided me to a solution.