Re: [bug report from blktests nvme/032] WARNING: possible circular locking dependency detected

From: Greg Kroah-Hartman
Date: Tue Jun 28 2022 - 02:08:05 EST


On Tue, Jun 28, 2022 at 04:03:55AM +0000, yangx.jy@xxxxxxxxxxx wrote:
> Hi everyone,
>
> Running blktests nvme/032 on kernel v5.19-rc2+ which enables
> CONFIG_LOCKDEP and CONFIG_PROVE_LOCKING triggered the below WARNING.

What was happening when this trace was created? It looks like you were
manually removing a PCI device from the system through sysfs? Why would
blktests do that?

thanks,

greg k-h