Articoli

Note dai progetti: cosa si è rotto, come l’ho scoperto, cosa l’ha risolto. Gli articoli sono in inglese.

• 11 novembre 2026
  Deep sleep on the Galaxy Book4 Edge: why it needed EL2

  Suspend on a Snapdragon X Elite laptop drained the battery in a day. What the chip's sleep counters showed, why Linux under Qualcomm's hypervisor never got the SoC to power down, and how running at EL2 fixed it.

• 11 novembre 2026
  Hunting random resets: the Snapdragon X DC ZVA erratum

  My laptop hard-reset itself three times in ten days, with nothing in any log. A public reproducer turned it into a CPU erratum, and a two-patch kernel fix stopped it without giving up the deepest idle state.