[bug] userspace hitting sporadic SIGBUS on xfs (Power9, ppc64le), v4.19 and later

[Eric Sandeen]

On 12/6/19 6:09 PM, dftxbs3e wrote:
> Hello!
> 
> I am very happy that someone has found this issue.
> 
> I have been suffering from rather random SIGBUS errors in similar
> conditions described by the author.
> 
> I don't have much troubleshooting information to provide, however, I hit
> the issue regularly so I could investigate during that.
> 
> How do you debug such an issue? I tried a debugger etc. but besides
> crashing with SIGBUS, I couldnt get any other meaningful information.

You may want to test the patch Christoph sent on the original thread for
this issue.

-Eric