Is this thing on? Using OpenBMC and ACPI power states for reliable server boot
ID: bfddda4d-d2bf-59e1-bc58-bdf05d492af8
STIX ID: report--bfddda4d-d2bf-59e1-bc58-bdf05d492af8
Feed Name: Cloudflare Blog
Cloudflare details enhancements to its OpenBMC firmware to improve server boot reliability and observability by integrating ACPI power state tracking (including S2_D2), coordinating BMC/UEFI interactions, and refining sensor handling. These changes mitigate race conditions that caused non-booting hosts, missing DIMMs from SPD access collisions, and erroneous thermal fail-safe behavior, while adding stronger diagnostics and automation (e.g., IPMI updates and Redfish BootProgress) to streamline fleet management and testing.
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