[Bug 103706] [CI][BAT] igt* incomplete - /dev/kmsg buffer overrun, some messages lost - pstore cleanout broken

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=103706

--- Comment #52 from Marta Löfstedt <marta.lofstedt at intel.com> ---
testrunner at hsw4:~$ uname -r
4.11.0-rc3-pstore+
testrunner at hsw4:~$ ls /sys/fs/pstore
dmesg-efi-151315300001001  dmesg-efi-151315300202001
testrunner at hsw4:~$ sudo rm /sys/fs/pstore/*
testrunner at hsw4:~$ ls /sys/fs/pstore
testrunner at hsw4:~$ sudo reboot
then it reboots to generic kernel, which of course doesn't have PSTORE_EFI_VARS
enabled:
testrunner at hsw4:~$ uname -r
4.10.0-19-generic
testrunner at hsw4:~$ sudo ls /sys/fs/pstore

then it was picked up by IGT on 3504
testrunner at hsw4:~$ uname -r
4.15.0-rc3-CI-CI_DRM_3504+
testrunner at hsw4:~$ sudo ls /sys/fs/pstore
testrunner at hsw4:~$ 

i.e. deleting with pstore kernel appear to work, so why didn't reboot to pstore
between runs before really clear out pstore?

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