Re: [uml-devel] WARNING: CPU: 0 PID: 908 at include/linux/thread_info.h:128 sigsuspend+0xab/0xc0()

[Vegard Nossum <vegard.nossum@oracle.com>]

On 11/16/2015 12:44 PM, Richard Weinberger wrote:
> Am 16.11.2015 um 10:43 schrieb Vegard Nossum:
>> Starting UML like this:
>>
>> ./vmlinux rootfstype=hostfs rw ignore_console_loglevel con=xterm init=/bin/bash
>>
>> Results in unpredictable behaviour, most of the time an xterm flashes on
>> my screen but the process aborts with only "Aborted" on the console
>> where I ran the command, sometimes the xterm remains there but frozen,
>> sometimes the xterm spews this warning non-stop:
>
> Hmm, is this a new regression?
> I bet it only happens with con=xterm, right?

It's the first UML kernel I compile in a few years, so I don't know if
it's old or new, sorry.

Yes, only con=xterm triggers this.

(For the record, I also couldn't con=pty or con=pts to work either, it
just results in "Aborted." on the console where I ran ./vmlinux -- if I
try con1=pty or con1=pts it boots normally, but there is no message in
the kernel log indicating the host device that was used for the console.
But this could be a PEBKAC, I only mention it in case it might be
relevant. Also, normal ./vmlinux without any con*= arguments works fine,
but I only get the plain stdin/stdout console.)

Thanks,


Vegard

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