netdev - Re: [linux-next:master] [selftests] 59dd07db92: kernel-selftests.drivers/net.queues.py.fail

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Message-ID: <aDfiTYmW1mHBEjg6@rli9-mobl>
Date: Thu, 29 May 2025 12:27:57 +0800
From: Philip Li <philip.li@...el.com>
To: Bui Quang Minh <minhquangbui99@...il.com>
CC: Jakub Kicinski <kuba@...nel.org>, kernel test robot
	<oliver.sang@...el.com>, <oe-lkp@...ts.linux.dev>, <lkp@...el.com>, "Michael
 S. Tsirkin" <mst@...hat.com>, <netdev@...r.kernel.org>
Subject: Re: [linux-next:master] [selftests] 59dd07db92:
 kernel-selftests.drivers/net.queues.py.fail

On Thu, May 29, 2025 at 11:06:17AM +0700, Bui Quang Minh wrote:
> On 5/29/25 07:58, Jakub Kicinski wrote:
> > On Wed, 28 May 2025 15:43:17 +0700 Bui Quang Minh wrote:
> > > > 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/202505281004.6c3d0188-lkp@intel.com
> > > > 
> > > > 
> > > > 
> > > > # timeout set to 300
> > > > # selftests: drivers/net: queues.py
> > > > # TAP version 13
> > > > # 1..4
> > > > # ok 1 queues.get_queues
> > > > # ok 2 queues.addremove_queues
> > > > # ok 3 queues.check_down
> > > > # # Exception| Traceback (most recent call last):
> > > > # # Exception|   File "/usr/src/perf_selftests-x86_64-rhel-9.4-kselftests-59dd07db92c166ca3947d2a1bf548d57b7f03316/tools/testing/selftests/net/lib/py/ksft.py", line 223, in ksft_run
> > > > # # Exception|     case(*args)
> > > > # # Exception|   File "/usr/src/perf_selftests-x86_64-rhel-9.4-kselftests-59dd07db92c166ca3947d2a1bf548d57b7f03316/tools/testing/selftests/drivers/net/./queues.py", line 33, in check_xsk
> > > > # # Exception|     raise KsftFailEx('unable to create AF_XDP socket')
> > > > # # Exception| net.lib.py.ksft.KsftFailEx: unable to create AF_XDP socket
> > > > # not ok 4 queues.check_xsk
> > > > # # Totals: pass:3 fail:1 xfail:0 xpass:0 skip:0 error:0
> > > > not ok 7 selftests: drivers/net: queues.py # exit=1
> > > > 
> > > > 
> > > > 
> > > > The kernel config and materials to reproduce are available at:
> > > > https://download.01.org/0day-ci/archive/20250528/202505281004.6c3d0188-lkp@intel.com
> > > Looking at the log file, it seems like the xdp_helper in net/lib is not
> > > compiled so calling this helper from the test fails. There is similar
> > > failures where xdp_dummy.bpf.o in net/lib is not compiled either.
> > > 
> > > Error opening object
> > > /usr/src/perf_selftests-x86_64-rhel-9.4-kselftests-59dd07db92c166ca3947d2a1bf548d57b7f03316/tools/testing/selftests/net/lib/xdp_dummy.bpf.o:
> > > No such file or directory
> > > 
> > > I'm still not sure what the root cause is. On my machine, these files
> > > are compiled correctly.
> > Same here. The get built and installed correctly for me.
> > Oliver Sang, how does LKP build the selftests? I've looked at the
> > artifacts and your repo for 10min, I can't find it.
> > The net/lib has a slightly special way of getting included, maybe
> > something goes wrong with that.
> 
> I understand why now. Normally, this command is used to run test
> pwd: tools/testing/selftests
> make TARGETS="drivers/net" run_tests
> 
> The LKP instead runs this
> make quicktest=1 run_tests -C drivers/net
> 
> So the Makefile in tools/testing/selftests is not triggered and net/lib is
> not included either.

hi Jakub and Quang Minh, sorry for the false positive report. And thanks for
helping root cause the issue in LKP side. We will fix the bot asap to avoid
missing the required dependencies during the kselftest.

Thanks

> 
> Thanks,
> Quang Minh.
> 
> 
>