RE: [linus:master] [selftests] 8ae9efb859: kernel-selftests.net.fib_tests.sh.fail

[Sriram Yagnaraman]

CC: Ido, who helped a lot with writing these tests.

> -----Original Message-----
> From: kernel test robot <oliver.sang@xxxxxxxxx>
> Sent: Tuesday, 19 September 2023 10:32
> To: Sriram Yagnaraman <sriram.yagnaraman@xxxxxxxx>
> Cc: oe-lkp@xxxxxxxxxxxxxxx; lkp@xxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; David
> S. Miller <davem@xxxxxxxxxxxxx>; netdev@xxxxxxxxxxxxxxx;
> oliver.sang@xxxxxxxxx
> Subject: [linus:master] [selftests] 8ae9efb859: kernel-
> selftests.net.fib_tests.sh.fail
> 
> 
> hi, Sriram Yagnaraman,
> 
> we noticed two new added tests failed in our test environment.
> want to consult with you what's the dependency and requirement to run
> them?
> Thanks a lot!

Sorry for the delayed response. I will look at this and get back.
I am not an expert with lkp-tests but will try to set it up on my local environment and reproduce the problem.

> 
> Hello,
> 
> kernel test robot noticed "kernel-selftests.net.fib_tests.sh.fail" on:
> 
> commit: 8ae9efb859c05a54ac92b3336c6ca0597c9c8cdb ("selftests: fib_tests:
> Add multipath list receive tests")
> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master
> 
> in testcase: kernel-selftests
> version: kernel-selftests-x86_64-60acb023-1_20230329
> with following parameters:
> 
> 	group: net
> 
> 
> 
> compiler: gcc-12
> test machine: 36 threads 1 sockets Intel(R) Core(TM) i9-10980XE CPU @
> 3.00GHz (Cascade Lake) with 32G memory
> 
> (please refer to attached dmesg/kmsg for entire log/backtrace)
> 
> 
> 
> 
> If you fix the issue in a separate patch/commit (i.e. not just a new version of the
> same patch/commit), kindly add following tags
> | Reported-by: kernel test robot <oliver.sang@xxxxxxxxx>
> | Closes:
> | https://lore.kernel.org/oe-lkp/202309191658.c00d8b8-oliver.sang@intel.
> | com
> 
> 
> 
> # timeout set to 1500
> # selftests: net: fib_tests.sh
> #
> # Single path route test
> #     Start point
> #     TEST: IPv4 fibmatch                                                 [ OK ]
> #     TEST: IPv6 fibmatch                                                 [ OK ]
> #     Nexthop device deleted
> #     TEST: IPv4 fibmatch - no route                                      [ OK ]
> #     TEST: IPv6 fibmatch - no route                                      [ OK ]
> 
> ...
> 
> #
> # Fib6 garbage collection test
> #     TEST: ipv6 route garbage collection                                 [ OK ]
> #
> # IPv4 multipath list receive tests
> #     TEST: Multipath route hit ratio (.06)                               [FAIL]
> #
> # IPv6 multipath list receive tests
> #     TEST: Multipath route hit ratio (.10)                               [FAIL]
> #
> # Tests passed: 223
> # Tests failed:   2
> not ok 17 selftests: net: fib_tests.sh # exit=1
> 
> 
> 
> The kernel config and materials to reproduce are available at:
> https://download.01.org/0day-ci/archive/20230919/202309191658.c00d8b8-
> oliver.sang@xxxxxxxxx
> 
> 
> 
> --
> 0-DAY CI Kernel Test Service
> https://github.com/intel/lkp-tests/wiki