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Re: port-arm/55737: Apparent bug in evbarm64 DMA code causes filesystem corruption
Nick Hudson <nick.hudson%gmx.co.uk@localhost> writes:
> I think this patch is correct and covers the case that your patch
> doesn't where there are no ranges in the parent tag.
> I think the virtio patch is still valid, however.
Okay, here's the (somewhat delayed) results from my testing that I
1) The virtio patch you provided earlier (here
seems to do the trick -- applying that to a recentish -current tree
(21a63fef3aab date: Mon Oct 19 09:07:29 2020 +0000, if it matters)
resulted in a kernel that could withstand three rounds of
sysupgrade installing kernel and world without a single panic. So that
patch looks good.
2) The patch you just gave for bus_dma.c, applied by itself on top of
the same -current, does *not* seem to fix the problem; we get what looks
like the same panic at about the same place.
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