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Re: Fixed strace [ was Re: ls -l is broken ]



On Saturday 02 May 2009 19:43:48 Kyle McMartin wrote:
> On Sat, May 02, 2009 at 06:34:59PM -0400, John David Anglin wrote:
> > Hi Kyle,
> >
> > > On Sun, Apr 06, 2008 at 07:09:59PM -0400, John David Anglin wrote:
> > > > > If you strace it, what syscall returns -EOPNOTSUPP?
> > > >
> > > > strace is broken and quits before the relevant syscall.  Think I
> > > > mentioned this before is a different context.
> > >
> > > Fixed & updated strace available at
> > > http://people.debian.org/~kyle/strace/
> >
> > strace is either broken again or debian didn't pick up your fix.  The
> > link to your updated version is broken.
> >
> > This happens when tracing sshd during a connection attempt with -f
> > option:
> >
> > strace -f -p 2390
> > Process 2390 attached - interrupt to quit
> > _newselect(7, [3 4], NULL, NULL, NULL
> > ...
> > [pid  5627] open("/etc/selinux/config", O_RDONLY|O_LARGEFILE) = -1 ENOENT
> > (No such file or directory) upeek:
> > ptrace(PTRACE_PEEKUSER,5627,4294967292,0): Input/output error Process
> > 5627 detached
> > <... _newselect resumed> )              = 1 (in [6])
> >
> > Trying to figure out why sshd sometimes does wierd stuff.
>
> I'll take a look, the strace link is broken because sadly the debian
> people didn't migrate the entirety of the people machine when they
> brought in a new one.

if said fix could actually get posted to the strace devel list at sf.net, 
that'd be even better ...

probably related:
http://bugs.gentoo.org/250631
-mike

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