netdev - [linux-next:master] [net_sched] 29f834aa32: kernel-selftests.net.so

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Date: Fri, 20 Oct 2023 15:17:41 +0800
From: kernel test robot <oliver.sang@...el.com>
To: Eric Dumazet <edumazet@...gle.com>
CC: <oe-lkp@...ts.linux.dev>, <lkp@...el.com>, Linux Memory Management List
	<linux-mm@...ck.org>, Paolo Abeni <pabeni@...hat.com>, Dave Taht
	<dave.taht@...il.com>, Willem de Bruijn <willemb@...gle.com>, "Soheil Hassas
 Yeganeh" <soheil@...gle.com>, Toke Høiland-Jørgensen
	<toke@...hat.com>, <netdev@...r.kernel.org>, <aubrey.li@...ux.intel.com>,
	<yu.c.chen@...el.com>, <oliver.sang@...el.com>
Subject: [linux-next:master] [net_sched]  29f834aa32:
 kernel-selftests.net.so_txtime.sh.fail



Hello,

kernel test robot noticed "kernel-selftests.net.so_txtime.sh.fail" on:

commit: 29f834aa326e659ed354c406056e94ea3d29706a ("net_sched: sch_fq: add 3 bands and WRR scheduling")
https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master

[test failed on linux-next/master e3b18f7200f45d66f7141136c25554ac1e82009b]

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@...el.com>
| Closes: https://lore.kernel.org/oe-lkp/202310201422.a22b0999-oliver.sang@intel.com


besides, we also noticed kernel-selftests.net.cmsg_time.sh.fail which does not
happen on parent.

5579ee462dfe7682 29f834aa326e659ed354c406056
---------------- ---------------------------
       fail:runs  %reproduction    fail:runs
           |             |             |
           :6          100%           6:6     kernel-selftests.net.cmsg_time.sh.fail
           :6          100%           6:6     kernel-selftests.net.so_txtime.sh.fail



# timeout set to 1500
# selftests: net: so_txtime.sh
# 
# SO_TXTIME ipv4 clock monotonic
# payload:a delay:296 expected:0 (us)
# 
# SO_TXTIME ipv6 clock monotonic
# payload:a delay:279 expected:0 (us)
# 
# SO_TXTIME ipv6 clock monotonic
# ./so_txtime: recv: timeout: Resource temporarily unavailable
not ok 30 selftests: net: so_txtime.sh # exit=1

....

# timeout set to 1500
# selftests: net: cmsg_time.sh
#   Case UDPv4  - TXTIME abs returned '', expected 'OK'
# FAIL - 1/36 cases failed
not ok 59 selftests: net: cmsg_time.sh # exit=1



The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20231020/202310201422.a22b0999-oliver.sang@intel.com



-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki