Re: [Xen-users] 4.13.0-rc1 swiotlb buffer is full

[Jürgen Groß <jgross@xxxxxxxx>]

On 22.10.19 11:46, Andrew wrote:
> Hi All,
>
> I am trying to test xen 4.13.0-rc1
>
> Dom0 boots, however it is crippled (networking doesn't work, can't 
> reboot, etc)
> dmesg of the host dom0 gives hundreds of lines like this:
>
>
> ixgbe 0000:22:00.0: swiotlb buffer is full (sz: 8192 bytes)
>
> ahci 0000:00:11.0: swiotlb buffer is full
>
> ehci-pci 0000:00:13.2: swiotlb buffer is full
>
> They start at boot.
>
>
> This is a 4.19.76 kernel that otherwise runs xen 4.12.1 without issues.
>
> I have a tried 5.3.5 kernel as well, the problem is there still ( 
> according to 
> https://wiki.xenproject.org/wiki/Xen_4.13_RC_test_instructions > 4.18 
> kernel should be okay, but thought best to try against 5.x as well)
>
> Any suggestions/advice appreciated.
Can you please share more information?

- hardware used (kind of processor, number of processors, memory size)
- xen boot parameters
- dom0 kernel boot parameters
- distro-kernel or upstream
- dom0 kernel config


Juergen

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