On 18/10/10 08:56 +0200, ext ARJIT SHARMA wrote:
> 
> Hi
> 
> 
>       this is the log of PTY testcase i am getting...
> 
>       all 3 tests ie. "pty01,ptem01 and hangup01"
> 
>       failing because ptsname() function call failed.....
> 
> 
> 
> INFO: creating /opt/ltp/results directory
> If some fields are empty or look unusual you may have an old version.
> Compare to the current minimal requirements in Documentation/Changes.
> 
> Linux 192.168.1.10 2.6.32 #1 SMP Fri Oct 8 16:13:17 IST 2010 armv7l unknown 
> unknown GNU/Linux
> 
> Gnu C                  gcc (GCC) 4.5.0
> Gnu make               3.81
> util-linux             ng 2.16.1)
> mount                  ng 2.16.1 (with libblkid support)
> modutils               3.1
> e2fsprogs              1.41.9
> PPP                    2.4.4
> Linux C Library        2.10.1
> Dynamic linker (ldd)   2.10.1
> Linux C++ Library      6.0.14
> Procps                 3.2.7
> Net-tools              1.60
> iproute2              iproute2-ss100224
> Console-tools          0.2.3
> Sh-utils               5.2.1
> Modules Loaded
> 
> free reports:
>              total       used       free     shared    buffers     cached
> Mem:        255252      28548     226704          0          0      18124
> -/+ buffers/cache:      10424     244828
> Swap:            0          0          0
> 
> /proc/cpuinfo
> Processor              : ARMv7 Processor rev 1 (v7l)
> processor              : 0
> BogoMIPS            : 996.14
> 
> processor              : 1
> BogoMIPS            : 996.14
> 
> Features : swp half thumb fastmult vfp edsp vfpv3 vfpv3d16
> CPU implementer  : 0x41
> CPU architecture: 7
> CPU variant           : 0x1
> CPU part                : 0xc09
> CPU revision         : 1
> 
> Hardware               : ST-SPEAR1300-EVB
> Revision                : 0000
> Serial                      : 0000000000000000

-clip-
> <<<test_output>>>
> pty01       1  TBROK  :  ptsname() call failed
-clip-
> ptem01      1  TBROK  :  ptsname() call failed
-clip-
> hangup01    1  TBROK  :  ptsname
-clip-

I guess u should run:

# strace -f <testcase-bin>

for having more detailed info regarding problem.

What does 
# cat /proc/sys/kernel/pty/max
say? If it is utterly small value, let's say 2..8, change it to eg:
# echo 100 > /proc/sys/kernel/pty/max

br,
Hannu

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