[PATCH] pipe2 for Linuxulator

[Alexander Best]

On Sun Apr 15 12, Alexander Leidinger wrote:
> On Sat, 14 Apr 2012 22:47:46 +0200 Alexander Leidinger
> <Alexander at Leidinger.net> wrote:
> 
> > On Sat, 14 Apr 2012 20:32:56 +0000 Alexander Best
> > <arundel at freebsd.org> wrote:
> > 
> > > On Sat Apr 14 12, Alexander Leidinger wrote:
> > > > On Fri, 13 Apr 2012 20:32:22 +0000 Alexander Best
> > > > <arundel at freebsd.org> wrote:
> > > > 
> > > > > i'm having problems with the patch. beforehand, playing music
> > > > > from www.mixcloud.com worked. now the flash based player is
> > > > > initialising forever.
> > > > 
> > > > > just drop me a note with exact instructions and i can give you
> > > > > more verbose information or debugging stats. again: this issue
> > > > > might be futex related and not a result of your patch.
> > > > 
> > > > Are you running -current? If yes I Looks try to get some time to
> > > > commit the linuxulator-dtrace probes, now that SDT probes can be
> > > > loaded dynamically there is no risk to panic the system when the
> > > > linuxulator is loaded after boot and dtrace is used. This could
> > > > help looking at problems with locks.
> > > 
> > > yes i'm running a very recent HEAD on amd64.
> > 
> > I'm in the process of merging all the new stuff from HEAD into my SVN
> > branch. With a slow system and a slow line this may take a while. I
> > hope to at least update my branch in SVN
> > (users/netchild/linuxulator-dtrace) today. I don't know if I get the
> > time to merge it to HEAD today.
> 
> Hmmm... do I remember correctly that I already gave a dtrace patch to
> you to check for futex problems? I think I changed the locking-probes
> since I gave the patch to you, but I'm not sure. Anyway, the patch
> against a recent -current is available from
> http://www.leidinger.net/FreeBSD/current-patches now.

yeah you're right. i've applied the patch and compiled and installed the
kernel. i'm not very experienced with dtrace, so i'll need some instructions
on how to proceed.

cheers.
alex

btw: i saw some of these warnings:

ctfconvert -L VERSION -g ieee80211_sta.o
ERROR: ieee80211_sta.c: die 41029: failed to retrieve array bounds

...i hope their aren't anything to worry about.

> 
> Bye,
> Alexander.
> 
> -- 
> http://www.Leidinger.net    Alexander @ Leidinger.net: PGP ID = B0063FE7
> http://www.FreeBSD.org       netchild @ FreeBSD.org  : PGP ID = 72077137