On Mon, Nov 13, 2023 at 11:01:17AM -0700, Simon Glass wrote:
> Hi,
> 
> On Sun, 12 Nov 2023 at 18:46, AKASHI Takahiro
> <takahiro.aka...@linaro.org> wrote:
> >
> > Hi Tom,
> >
> > On Fri, Nov 10, 2023 at 01:21:37PM -0500, Tom Rini wrote:
> > > On Wed, Oct 25, 2023 at 02:14:27PM +0900, AKASHI Takahiro wrote:
> > >
> > > > In this test, "scmi" command is tested against different sub-commands.
> > > > Please note that scmi command is for debug purpose and is not intended
> > > > in production system.
> > > >
> > > > Signed-off-by: AKASHI Takahiro <takahiro.aka...@linaro.org>
> > > > Reviewed-by: Simon Glass <s...@chromium.org>
> > > > Reviewed-by: Etienne Carriere <etienne.carri...@foss.st.com>
> > >
> > > The test part of this still fails:
> > > https://source.denx.de/u-boot/u-boot/-/jobs/732077
> > >
> > > I don't know why more output wasn't captured, when I run it locally
> > > instead I get:
> > > ========================================== FAILURES 
> > > ===========================================
> > > _______________________________ test_ut[ut_dm_dm_test_scmi_cmd] 
> > > _______________________________
> > > test/py/u_boot_spawn.py:195: in expect
> > >     c = os.read(self.fd, 1024).decode(errors='replace')
> > > E   OSError: [Errno 5] Input/output error
> > >
> > > During handling of the above exception, another exception occurred:
> > > test/py/tests/test_ut.py:502: in test_ut
> > >     output = u_boot_console.run_command('ut ' + ut_subtest)
> > > test/py/u_boot_console_base.py:266: in run_command
> > >     m = self.p.expect([self.prompt_compiled] + self.bad_patterns)
> > > test/py/u_boot_spawn.py:204: in expect
> > >     raise ValueError('U-Boot exited with %s' % info)
> > > E   ValueError: U-Boot exited with signal 11 (SIGSEGV)
> >
> >
> > The command uses global variables which hold pointers to 'struct udevice'
> > which are to be shared between the main and the sub-commands.
> > Since pytest framework executes ut tests twice, once with a (normal?) device
> > tree and once with a flat tree,  udevices will be *voided* between
> > two executions.
> 
> Are you able to put the var in the uclass-priv data instead? The state
> should be cleared before running each DM test.

Well, I don't think we need such a trick.
As you can see, we may simply fetch/find necessary udevices
every time the command is called.
It is enough given that the command is mainly for debug purpose.

-Takahiro Akashi


> Regards,
> Simon
> 
> 
> >
> > I will fix it in v2.
> >
> > Thanks,
> > -Takahiro Akashi
> >
> >
> > > ------------------------------------ Captured stdout call 
> > > -------------------------------------
> > > => ut dm dm_test_scmi_cmd
> > > Test: dm_test_scmi_cmd: scmi.c
> > > SCMI device: scmi
> > >   protocol version: 0x20000
> > >   # of agents: 2
> > >       0: platform
> > >     > 1: OSPM
> > >   # of protocols: 4
> > >       Power domain management
> > >       Clock management
> > >       Reset domain management
> > >       Voltage domain management
> > >   vendor: U-Boot
> > >   sub vendor: Sandbox
> > >   impl version: 0x1
> > > Denying access to device:0 failed (-13)
> > > Denying access to protocol:0x14 on device:0 failed (-13)
> > > Reset failed (-13)
> > > Test: dm_test_scmi_cmd: scmi.c (flat tree)
> > > SCMI device: Q
> > > =================================== short test summary info 
> > > ===================================
> > > FAILED test/py/tests/test_ut.py::test_ut[ut_dm_dm_test_scmi_cmd] - 
> > > ValueError: U-Boot exited...
> > >
> > > --
> > > Tom
> >
> >

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