Re: [test_rht_init] INFO: task swapper/0:1 blocked for more than 120 seconds.

From: Linus Torvalds
Date: Mon Nov 27 2017 - 16:35:02 EST


On Tue, Nov 21, 2017 at 3:52 AM, Fengguang Wu <fengguang.wu@xxxxxxxxx> wrote:
> Here is a different call trace related to rhashtable.
>
> It occurs in 17 out of 90 boots.
>
> [ 342.666234] Writes: Total: 4 Max/Min: 0/0 Fail: 0
> [ 381.918047] INFO: task swapper/0:1 blocked for more than 120 seconds.

This looks very similar to the other lockup case: lock torture testing
and rhashtable testing at the same time, causing long long delays..

Linus