=== DF-2387 run : Mon Oct 19 10:34:49 UTC 2026 ===
--- create fake device (real verbatim attach) ---
--- control: sane 9-element SINF; unprivileged reads (maxx) ---
hw.acpi.panasonic.lcd_brightness_max: 255
hw.acpi.panasonic.lcd_brightness_min: 0
hw.acpi.panasonic.lcd_brightness: 128
hw.acpi.panasonic.sound_mute: 0
--- PROOF 1: canary (Count=2, 9-elem backing) -- maxx reads ---
reg2_max: -1
reg3_min: -1
reg4_brt: -1
reg8_mute: -1
--- PROOF 2: tight (Count=2, 2-elem alloc) -- maxx reads x5 --
tight1 reg4_brt=-1 reg8_mute=-1
tight2 reg4_brt=-1 reg8_mute=-1
tight3 reg4_brt=-1 reg8_mute=-1
tight4 reg4_brt=-1 reg8_mute=-1
tight5 reg4_brt=-1 reg8_mute=-1
--- PROOF 3: tight+spray (groomed 256-zone neighbors) x5 --
spray1 reg4_brt=-1 reg8_mute=-1
spray2 reg4_brt=-1 reg8_mute=-1
spray3 reg4_brt=-1 reg8_mute=-1
spray4 reg4_brt=-1 reg8_mute=-1
spray5 reg4_brt=-1 reg8_mute=-1
62
=== DF-2387 run complete (values above; no panic expected) ===