Bug#850425: mpt3sas "swiotlb buffer is full" problem only under Xen
On 3/10/19 11:03 PM, Andrew Cooper wrote:
> On 10/03/2019 21:35, Hans van Kranenburg wrote:
>>
>> [...]
>>
>> Using dom0_mem=2GiB,max:4GiB instead of dom0_mem=2GiB,max:2GiB (which I
>> started with) makes the errors go away, so workaround confirmed.
It's actually dom0_mem=2G,max:4G, I typed something before which was not
identical to what I started that machine with.
>> [...]
>> I think I'm fine with this workaround.
>
> I think
> https://lists.xen.org/archives/html/xen-devel/2014-12/msg00699.html is
> the last attempt David made to upstream the fixes.
>
> Linux is still broken, and these fixes are still necessary.
FMI, is this max:4G DTRT for me now in the meantime, or am I still
facing more hidden problems while using this workaround?
> Boris/Juergen: Any chance you could look into these patches? I have no
> idea what they they're in against master, but its also liable its now
> more complicated with the host max mfn calculations which have gone in
> more recently.
Thanks,
Hans
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