Re: [LTP] Failure of syscalls in kernel version 3.4

[Jan Stancek <jstancek@redhat.com>]

----- Original Message -----
> From: "Om Prakash PAL" <omprakash.pal@stericsson.com>
> To: ltp-list@lists.sourceforge.net
> Sent: Monday, 2 July, 2012 8:49:20 AM
> Subject: [LTP] Failure of syscalls in kernel version 3.4
>
> Hi,
>
> I am currently using ltp-full-20110915.bz2.
> When I switched to  kernel 3.4(from kernel 3.0)  then these syscalls ltp are failing.

I'd suggest you try latest LTP from git. Some of these failures should be already fixed.
(Latest I ran was kernel 3.3 and it ran fine for the ones you listed)

> [1]. get_robust_list01
> get_robust_list01    1  TPASS  :  get_robust_list failed as expected with EFAULT
> get_robust_list01    2  TPASS  :  get_robust_list failed as expected with EFAULT
> get_robust_list01    3  TPASS  :  get_robust_list failed as expected with ESRCH
> get_robust_list01    4  TFAIL  :  get_robust_list succeeded unexpectedly
> get_robust_list01    5  TPASS  :  get_robust_list succeeded
> 
> [2]. gettimeofday02
> gettimeofday02    0  TINFO  :  checking if gettimeofday is monotonous, takes 30s 
> gettimeofday02    1  TFAIL  :  Time is going backwards: old 946
>  
> 
> [3]. lseek03
> lseek03     1  TFAIL  :  lseek(tfile_16887, 1, 4) Failed, errno=6 No such device or address, expected 22(EINVAL) 
> lseek03     2  TPASS  :  lseek(tfile_16887, 1, -1) Failed, errno=22 : Invalid argument 
> lseek03     3  TPASS  :  lseek(tfile_16887, 1, 7) Failed, errno=22 : Invalid argument 

> [4]. readlink03
> readlink03    1  TPASS  :  readlink(), No Search permissions to process, returned errno 13 
> readlink03    2  TPASS  :  readlink(), No Search permissions to process, returned errno 13 
> readlink03    3  TPASS  :  readlink(), Buffer size is not positive, returned errno 22 
> readlink03    4  TPASS  :  readlink(), Buffer size is not positive, returned errno 22 
> readlink03    5  TPASS  :  readlink(), File is not symbolic link, returned errno 22 
> readlink03    6  TPASS  :  readlink(), File is not symbolic link, returned errno 22 
> readlink03    7  TPASS  :  readlink(), Symlink path too long, returned errno 36 
> readlink03    8  TPASS  :  readlink(), Symlink path too long, returned errno 36 
> readlink03    9  TFAIL  :  readlink() failed, Symlink Pathname is empty, errno=2, expected errno=22 
> 
> [5] shmat01
> shmat01     1  TFAIL  :  shmat call failed: TEST_ERRNO=EINVAL(22): Invalid argument 
> 
> [6] sysctl01
> sysctl01    1  TFAIL  :  sysctl(2) failed unexpectedly errno:38 
> sysctl01    2  TFAIL  :  sysctl(2) failed unexpectedly errno:38 
> sysctl01    3  TFAIL  :  sysctl(2) failed unexpectedly errno:38 
38 is ENOSYS, this works only if your kernel supports it (CONFIG_SYSCTL=y).

> 
> any idea why these testcases are failing now?.
Kernel implementation moved forward, your LTP is almost year old.

Regards,
Jan

> How can I resolve it?.
> 
> Best Regards,
> Om Prakash Pal

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