On 09/22/2013 10:27 AM, Toralf Förster wrote:
> On 09/22/2013 08:52 AM, richard -rw- weinberger wrote:
>> On Mon, Sep 16, 2013 at 10:04 PM, Toralf Förster <toralf.foers...@gmx.de> 
>> wrote:
>>> If I run the following script
>>>
>>> $> cat l.sh
>>> #!/bin/sh
>>> #
>>>
>>> /usr/local/bin/linux-v3.11-8718-g0fb5ca1 earlyprintk 
>>> ubda=/home/tfoerste/virtual/uml/n22unst4 ubdb=/mnt/ramdisk/n22unst4_swap 
>>> eth0=tuntap,tap2,72:ef:3d:5d:d3:db mem=1025M con0=fd:0,fd:1 con=pts 
>>> umid=uml_n22unst4 rootfstype=ext4
>>>
>>>
>>> then during start of the UML I get
>>>
>>> ...
>>> Netdevice 0 (72:ef:3d:5d:d3:db) :
>>> TUN/TAP backend -
>>> winch_thread : TIOCSCTTY failed on fd 1 err = 1
>>
>> Hmm, that's a regression introduced by:
>> commit 250127216dd6635f5730752d7444bdec992aecb0
>> Author: Richard Weinberger <rich...@nod.at>
>> Date:   Sun Aug 18 13:30:09 2013 +0200
>>
>>     um: Run UML in it's own session.
>>
>>     If UML is not run by a shell it can happen that UML
>>     will kill unrelated proceses upon a fatal exit because
>>     it issues a kill(0, ...).
>>     To prevent such oddities we create a new session in main().
>>
>>     Reported-and-tested-by: Richard W.M. Jones <rjo...@redhat.com>
>>     Signed-off-by: Richard Weinberger <rich...@nod.at>
>>
>>
>> The winch-thread also has it's own session, this seems to be to an issue.
>>
> 
> sure - I can reproduce it with linux-v3.11-8718-g0fb5ca1 , which doesn't 
> contain that commit, or ?
> 
I'd like to bisect iit,k but as soon as I run something like
$> ./l.sh | tee >logfile>
then the issue vanishes - so I can see it on the command line.
Furthermore I know, that it is not in 3.10.0-08763-g7d3107d, but in
v3.12-rc1-42-gf42bcf1 - but without automation bisecting is not funny.


-- 
MfG/Sincerely
Toralf Förster
pgp finger print: 7B1A 07F4 EC82 0F90 D4C2 8936 872A E508 7DB6 9DA3

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