On 9/20/23 12:22, Bart Van Assche wrote:
> On 9/20/23 10:18, Bob Pearson wrote:
>> But I have also seen the same behavior in the siw driver which is
>> completely independent.
>
> Hmm ... I haven't seen any hangs yet with the siw driver.
I was on Ubuntu 6-9 months ago. Currently I don't see hangs on either.
>
>> As mentioned above at the moment Ubuntu is failing rarely. But it used to fail reliably (srp/002 about 75% of the time and srp/011 about 99% of the time.) There haven't been any changes to rxe to explain this.
>
> I think that Zhu mentioned commit 9b4b7c1f9f54 ("RDMA/rxe: Add workqueue
> support for rxe tasks")?
That change happened well before the failures went away. I was seeing failures at the same rate with tasklets
and wqs. But after updating Ubuntu and the kernel at some point they all went away.
>
> Thanks,
>
> Bart.
