jetson: Update next active slots on HUP #245
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,9 @@ | ||
| [Unit] | ||
| Description=Mark boot slot as successful once the system is up | ||
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| [Service] | ||
| Type=oneshot | ||
| ExecStart=/bin/sh -c /usr/bin/mark_active_tegra_boot_slot.sh | ||
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| [Install] | ||
| WantedBy=multi-user.target | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,21 @@ | ||
| #!/bin/sh | ||
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| # Ensure reduntant boot is enabled | ||
| if /usr/bin/tegra-boot-control -e ; then | ||
| echo "Tegra redundant boot: enabled successfully" | ||
| else | ||
| echo "Tegra redundant boot: failed to enable!" | ||
| fi; | ||
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| # If the boot process was | ||
| # able to start the rollback service, we can | ||
| # mark the current boot as successful | ||
| # Othrwise if not marked, the old kernel | ||
| # and dtb slots will be used after 3 attempts | ||
| # as per https://forums.developer.nvidia.com/t/failed-bootloader-watchdog-recovery/154380/5 | ||
| if /usr/bin/tegra-boot-control -m ; then | ||
| echo "Tegra redundant boot: marked successful boot" | ||
| else | ||
| echo "Tegra redundant boot: failed to record successful boot" | ||
| fi | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,33 @@ | ||
| FILESEXTRAPATHS:prepend := "${THISDIR}/files:" | ||
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| # libuuid was split from the main | ||
| # util-linux later, after Dunfell | ||
| DEPENDS:remove = "util-linux-libuuid" | ||
| DEPENDS:append = " util-linux" | ||
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| SRC_URI += " \ | ||
| file://mark_active_tegra_boot_slot.sh \ | ||
| file://mark-active-slot.service \ | ||
| " | ||
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| # Once redundant boot is enabled, each boot | ||
| # needs to be marked as successful once | ||
| # the system is up to prevent the tegra | ||
| # bootloaders from decrementing boot count | ||
| # and reverting to the previous slot. If | ||
| # redundant boot is disabled, default slot _a | ||
| # is used. | ||
| SYSTEMD_PACKAGES += " ${PN}" | ||
| SYSTEMD_SERVICE:${PN} += " mark-active-slot.service" | ||
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| # Upon rollback to a release that does not have | ||
| # this feature implemented, the _a slots will | ||
| # be used by default, without chaning behavior. | ||
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There was a problem hiding this comment. Thank you @jakogut , I'll get that fixed |
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| do_install:append() { | ||
| install -m 0755 ${WORKDIR}/mark_active_tegra_boot_slot.sh ${D}${bindir}/ | ||
| install -m 0644 ${WORKDIR}/mark-active-slot.service ${D}${systemd_unitdir}/system/ | ||
| } | ||
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| FILES:${PN} += " \ | ||
| /lib/systemd/system/mark-active-slot.service \ | ||
| " | ||
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@acostach is this service running every single boot, even if no HUP happened?
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Hi @alexgg , indeed, it needs to run every boot, otherwise the tegra bootloaders will consider that the current one failed and decrease the current slot's priority, causing the alternate to be loaded once the retries number is achieved.
Disabling redundant boot after marking a boot sequence as successful unfortunately triggers the default slot _a to be loaded, so the only option for now is to mark every boot if we want to have the kernel and dtb loaded from the selected raw partitions, _a or _b.