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From: Prabhakar Kushwaha <prabhakar.pkin@gmail.com>
To: Liu Yiding <liuyd.fnst@cn.fujitsu.com>
Cc: Kees Cook <keescook@chromium.org>,
	linux-kselftest@vger.kernel.org,
	Shuah Khan <skhan@linuxfoundation.org>,
	Philip Li <philip.li@intel.com>
Subject: Re: [Bug report] "make run_tests -C bpf" hanging forever
Date: Fri, 18 Oct 2019 12:26:11 +0530	[thread overview]
Message-ID: <CAJ2QiJKvUXjC+Ejad3eGiaY8F-UVSnWUPyvbZ46LkE7k0kaZZQ@mail.gmail.com> (raw)
In-Reply-To: <05dbae1d-05de-8360-5f3c-a698d4dc3226@cn.fujitsu.com>

On Fri, Oct 18, 2019 at 12:12 PM Liu Yiding <liuyd.fnst@cn.fujitsu.com> wrote:
>
> CC LKP mainter
>
>
> On 10/18/19 2:32 PM, Liu Yiding wrote:
> > Hi All.
> >
> > The patch 5c069b6dedef "selftests: Move test output to diagnostic
> > lines" from Apr 24, 2019,
> >
> > leads to `make run_tests -C bpf` hanging forever.
> >
> >
> > Bpf includes many subtest, when cmd `make run_tests -C bpf` runs to
> > test_lwt_seg6local.sh, task will hang and runner.sh never run next
> > task. I checked ps aux, prefix.pl will never exit.
> >
> > ```
> >
> > 91058 [  811.451584] # [25] VAR __license type_id=24 linkage=1
> > 91059 [  811.451586]-
> > 91060 [  811.455365] # [26] DATASEC license size=0 vlen=1 size == 0
> > 91061 [  811.455367]-
> > 91062 [  811.457424] #-
> > 91063 [  811.457425]-
> > 91064 [  811.460912] # selftests: test_lwt_seg6local [PASS]
> > 91065 [  811.460914]-
> > 91066 [ 3620.461986] Thu Oct 17 14:54:05 CST 2019 detected soft_timeout
> >
> > ```
> >
> > Ignore test_lwt_seg6local and run `make run_tests -C bpf` again, task
> > will hang on test_tc_tunnel.sh.
> >
> >
> > Kushwaha also meet this issue, `make run_tests -C bpf` hang on
> > test_lwt_ip_encap.sh (This test failed on my localhost).
> >

Yes, i also faced this issue on Linux-5.3. if i kill prefix.pl or add
timeout in prefix.pl, test move ahead.

somehow this issue is not present on Linux 5.4-rc3+. It could be by
chance and may show on any other version.

--prabhakar (pk)

  reply	other threads:[~2019-10-18  6:56 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-18  6:32 [Bug report] "make run_tests -C bpf" hanging forever Liu Yiding
2019-10-18  6:41 ` Liu Yiding
2019-10-18  6:56   ` Prabhakar Kushwaha [this message]
2019-10-18 15:01     ` Shuah Khan
2019-10-21  1:42       ` Liu Yiding
2019-10-18 16:21 ` Kees Cook

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