Re: Regression in RCU subsystem in latest mainline kernel

From: Paul E. McKenney
Date: Fri Jun 14 2013 - 08:28:13 EST

On Fri, Jun 14, 2013 at 01:47:00PM +0200, Rojhalat Ibrahim wrote:
> Hi,
> the current mainline kernel from git reproducibly hangs on my Freescale
> PowerPC P5020DS development system. Most of the time the hang occurs during
> boot (kernel just stops booting, system hangs), sometimes shortly after
> booting (system hangs, no message). Very often booting stops at the
> initialization of the Intel PRO 1000 PCIe network device (e1000e).
> I used git bisect and arrived at this commit:
> 016a8d5be6ddcc72ef0432d82d9f6fa34f61b907
> rcu: Don't call wakeup() with rcu_node structure ->lock held
> With versions before that commit the system runs normally.

Odd, given that this fix was intended to prevent hangs. Could you
please send your .config?

Thanx, Paul

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at