[PATCH 1/2] gitlab: Move the n900 test into its own section

[Simon Glass]

Hi Pali,

On Sun, 31 Jan 2021 at 08:52, Pali Rohár <pali at kernel.org> wrote:
>
> On Sunday 31 January 2021 08:43:19 Simon Glass wrote:
> > Hi Pali,
> >
> > On Sun, 31 Jan 2021 at 08:04, Pali Rohár <pali at kernel.org> wrote:
> > >
> > > On Sunday 31 January 2021 08:49:20 Tom Rini wrote:
> > > > On Sun, Jan 31, 2021 at 01:15:20PM +0100, Pali Rohár wrote:
> > > > > On Saturday 30 January 2021 22:17:45 Simon Glass wrote:
> > > > > > This test is not reliable. Quite often (20%?) it makes the build fail and
> > > > > > a retry succeeds.
> > > > >
> > > > > This test should work. Are there any logs with issues?
> > > >
> > > > I don't see it failing any more often than other tests do, due to
> > > > network connectivity issues.  That may be helped by, now that we've
> > > > dropped Travis, having the container be pre-populated with more of the
> > > > downloaded files and pre-building the special QEMU.
> > >
> > > If there are just network issue problems then pre-downloading required
> > > files into cache / container should resolve them.
> >
> > The flake issues I see are like this:
> >
> > https://gitlab.denx.de/u-boot/custodians/u-boot-dm/-/jobs/202441
> >
> > I am not sure of the cause, but it would be good to fix it!
>
> Hello Simon! This is not a network issue problem but rather some U-Boot
> regression in mmc code. Second test failed with error:
>
>     "Failed to boot kernel from eMMC"
>
> Other tests succeed:
>
>     "Kernel was successfully booted from RAM"
>     "Kernel was successfully booted from OneNAND"
>
> So problem is really with second boot attempt from eMMC. U-Boot log is
> also available in output (as second run):
>
>     Check if pads/pull-ups of bus are properly configured
>     Timed out in wait_for_event: status=0000
>     ...
>     Timed out in wait_for_event: status=0000
>     Check if pads/pull-ups of bus are properly configured
>     Timed out in wait_for_event: status=0000
>     Check if pads/pull-ups of bus are properly configured
>     Timed out in wait_for_event: status=0000
>     Check if pads/pull-ups of bus are properly configured
>     test/nokia_rx51_test.sh: line 233:  5946 Killed                  ./qemu-system-arm -M n900 -mtdblock mtd_emmc.img -sd emmc_emmc.img -serial /dev/stdout -display none > qemu_emmc.log
>
> After 300s was qemu killed and test marked as failure.
>
> So this is valid failure and regression in u-boot emmc code. So it would
> be needed to identify which commit caused it and revert it...

The problem is that it is intermittent. Can you repeat it?

>
> > Re the network issues, I have a persistent DNS problem with my
> > network. I am really not sure of the root cause but sometimes it will
> > fail to find a host, then succeed 5 seconds later. I spent some time
> > on it a few weeks ago but will try again.

Regards,
Simon