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SubjectRe: [serial] BUG: spinlock bad magic on CPU#0, swapper/0
On Sun, Apr 12, 2015 at 09:01:31AM -0400, Peter Hurley wrote:
> Hi Fengguang,
>
> On 04/12/2015 08:41 AM, Fengguang Wu wrote:
> > Greetings,
> >
> > 0day kernel testing robot got the below dmesg and the first bad commit is
> >
> > git://git.code.sf.net/p/openipmi/linux-ipmi master-ipmi-rebase
> >
> > commit ccfb59efb7a78e606516ce878d8dde4690419a5f
> > Author: Corey Minyard <cminyard@mvista.com>
> > AuthorDate: Mon Mar 19 16:00:55 2012 -0500
> > Commit: Corey Minyard <cminyard@mvista.com>
> > CommitDate: Fri Apr 10 20:51:46 2015 -0500
> >
> > serial: Add a polled interface to the 8250 driver
> >
> > Remove the console code from the 8250 driver and add the poll code and
> > setup to use the console over the polled interface.
> >
> > FIXME - The interactions between the 8250_early and 8250 code need to
> > be analyzed and tested.
> >
> > Signed-off-by: Corey Minyard <minyard@acm.org>
> >
> > drivers/tty/serial/8250.c | 227 ++++++++++++++++++++++------------------------
> > 1 file changed, 112 insertions(+), 115 deletions(-)
>
> This is not an upstream bug.

Ah yes, sorry for the noise!

Thanks,
Fengguang


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