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From: "Ma, XinjianX" <xinjianx.ma@intel.com>
To: "legion@kernel.org" <legion@kernel.org>,
	"linux-kselftest@vger.kernel.org"
	<linux-kselftest@vger.kernel.org>
Cc: lkp <lkp@intel.com>,
	"linux-kselftest@vger.kernel.org"
	<linux-kselftest@vger.kernel.org>,
	"akpm@linux-foundation.org" <akpm@linux-foundation.org>,
	"axboe@kernel.dk" <axboe@kernel.dk>,
	"christian.brauner@ubuntu.com" <christian.brauner@ubuntu.com>,
	"containers@lists.linux-foundation.org" 
	<containers@lists.linux-foundation.org>,
	"ebiederm@xmission.com" <ebiederm@xmission.com>,
	"jannh@google.com" <jannh@google.com>,
	"keescook@chromium.org" <keescook@chromium.org>,
	"kernel-hardening@lists.openwall.com" 
	<kernel-hardening@lists.openwall.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-mm@kvack.org" <linux-mm@kvack.org>,
	"oleg@redhat.com" <oleg@redhat.com>,
	"torvalds@linux-foundation.org" <torvalds@linux-foundation.org>
Subject: Re: [PATCH v11 5/9] Reimplement RLIMIT_MSGQUEUE on top of ucounts
Date: Tue, 17 Aug 2021 04:03:50 +0000	[thread overview]
Message-ID: <d650b7794e264d5f8aa107644cc9784f@intel.com> (raw)

Hi Alexey,

When lkp team run kernel selftests, we found after these series of patches, testcase mqueue: mq_perf_tests
in kselftest failed with following message. 

If you confirm and fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot lkp@intel.com

```
# selftests: mqueue: mq_perf_tests
#
# Initial system state:
#       Using queue path:                       /mq_perf_tests
#       RLIMIT_MSGQUEUE(soft):                  819200
#       RLIMIT_MSGQUEUE(hard):                  819200
#       Maximum Message Size:                   8192
#       Maximum Queue Size:                     10
#       Nice value:                             0
#
# Adjusted system state for testing:
#       RLIMIT_MSGQUEUE(soft):                  (unlimited)
#       RLIMIT_MSGQUEUE(hard):                  (unlimited)
#       Maximum Message Size:                   16777216
#       Maximum Queue Size:                     65530
#       Nice value:                             -20
#       Continuous mode:                        (disabled)
#       CPUs to pin:                            3
# ./mq_perf_tests: mq_open() at 296: Too many open files
not ok 2 selftests: mqueue: mq_perf_tests # exit=1
```    

Test env:
rootfs: debian-10
gcc version: 9

------
Thanks 
Ma Xinjian

             reply	other threads:[~2021-08-17  4:04 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-17  4:03 Ma, XinjianX [this message]
2021-08-17 15:47 ` Eric W. Biederman
2021-08-18 13:11   ` Alexey Gladkov
2021-08-19  1:50     ` Ma, XinjianX
2021-08-19 15:10     ` Eric W. Biederman
2021-08-19 17:26       ` Alexey Gladkov
2021-08-23 21:06         ` [PATCH] ucounts: Fix regression preventing increasing of rlimits in init_user_ns Eric W. Biederman
2021-08-24  1:19           ` Ma, XinjianX
2021-08-24  3:24             ` Eric W. Biederman
  -- strict thread matches above, loose matches on Subject: below --
2021-04-22 12:27 [PATCH v11 0/9] Count rlimits in each user namespace legion
2021-04-22 12:27 ` [PATCH v11 5/9] Reimplement RLIMIT_MSGQUEUE on top of ucounts legion

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