Re: [Xen-devel] [Patch RFC 00/13] VT-d Asynchronous Device-TLB Flush for ATS Device

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 17.09.15 at 05:26, <quan.xu@xxxxxxxxx> wrote:
> Much more information:
>    If I run a service in this domain and tested this waitqueue case. The 
> domain is still working after 60s, but It prints out Call Trace with $dmesg:
> 
> [  161.978599] BUG: soft lockup - CPU#0 stuck for 57s! [kworker/0:1:272]

Not sure what you meant to tell us with that (it clearly means
there's a bug somewhere in the series you're testing):
- Drop the current series and wait for an update?
- A request for help? If so, I don't think there's much to be said
  based on just the kernel soft lockup detector output.
- Anything else?

Jan


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