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SubjectRe: [lkp] [net] af1fee9821: BUG:spinlock_trylock_failure_on_UP_on_CPU
On Mon, Nov 07, 2016 at 10:26:28AM +0800, kernel test robot wrote:
>
> FYI, we noticed the following commit:
>
> https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git master
> commit af1fee98219992ba2c12441a447719652ed7e983 ("net: phy: Add support for Microsemi VSC 8530/40 Fast Ethernet PHY")

Humm, interesting. I've no idea how this patch can trigger such a
warning. The USB gadget does not have an Ethernet PHY, let alone a
Microsemi 8530/40 Fast Ethernet PHY this patch adds.

However, it seems nicely documented how to reproduce this. Allan, can
you setup such a system? Reproduce it, then revert the change and see
if it still happens.

Andrew

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