diff options
| author | Kelvin Zhang <zhangkelvin@google.com> | 2020-11-25 11:33:51 -0500 |
|---|---|---|
| committer | Kelvin Zhang <zhangkelvin@google.com> | 2020-11-25 15:53:26 -0500 |
| commit | af4135035abb5b2f1d16639bfb718dd75b1ca048 (patch) | |
| tree | 7d4f36e5346db1621940616f7b4de764d6fad6a3 /common | |
| parent | fa5177845c6ddab264c92e31ba73c0442dd78ff7 (diff) | |
Monitor the property ota.warm_reset
The property is set to inform kernel to do a warm_reset on the next
reboot. This is useful to persist the logs to debug device boot
failures. More details in http://go/rvc-ota-persist-logs.
The property is read by vendor_init. And according to its value,
vendor_init writes a particular sysfs file to schedule a warm reset
on the following reboot.
The vendor init also schedules the warm reset if the current slot
hasn't
been marked as successful during boottime, i.e.
ro.boot.slot_successful=no
Move definition of relevant rc scripts to pixel common script
Bug: 143489994
Bug: 173267277
Test: adb shell grep "ota.warm_reset" -r /vendor
Change-Id: I1f475403430149a0242e8ac098f1ce0155cad054
Diffstat (limited to 'common')
| -rw-r--r-- | common/init.pixel.rc | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/common/init.pixel.rc b/common/init.pixel.rc index 9c4d223..ad75632 100644 --- a/common/init.pixel.rc +++ b/common/init.pixel.rc @@ -32,3 +32,13 @@ on property:persist.sys.theme=1 on property:persist.sys.theme=0 start vendor.theme_clear +# Set or clear the warm reset flag upon the change of system property. The flag itself is set +on init && property:ro.boot.slot_successful=no + write /sys/module/msm_poweroff/parameters/warm_reset 1 + +# by writing a sysfs file; and the file will be read by kernel. +on property:ota.warm_reset=1 + write /sys/module/msm_poweroff/parameters/warm_reset 1 + +on property:ota.warm_reset=0 + write /sys/module/msm_poweroff/parameters/warm_reset 0 |