Am 22.09.2013 11:20, schrieb Toralf Förster: > 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.
Why bisect? Commit 2501272 is the evildoer. Now I have to find a sane way to fix the kill(0,...) issue without breaking the winch-thread. Thanks, //richard ------------------------------------------------------------------------------ LIMITED TIME SALE - Full Year of Microsoft Training For Just $49.99! 1,500+ hours of tutorials including VisualStudio 2012, Windows 8, SharePoint 2013, SQL 2012, MVC 4, more. BEST VALUE: New Multi-Library Power Pack includes Mobile, Cloud, Java, and UX Design. Lowest price ever! Ends 9/22/13. http://pubads.g.doubleclick.net/gampad/clk?id=64545871&iu=/4140/ostg.clktrk _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel
