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The Wire · Showcase

ACPI TAD DRIVER FIXES LAND AS 7.1-RC2 STABILIZES

By RepoJournal · Filed · About Linux

The kernel is tightening up core subsystems ahead of 7.1 final, with ACPI, networking, and storage all shipping targeted fixes overnight.

Linus pulled a wave of ACPI patches that address removal ordering bugs in the Time and Alarm Device driver and fix timer computation issues that could cause incorrect RTC behavior [1]. A companion merge swept in four separate ACPI branches [2] including a critical EINJV2 memory error injection fix in APEI, a CPU hotplug inconsistency in the CPPC library, and a quirk for HP OMEN 16 backlight handling. On the network side, the SMB3 client layer [3] got multichannel crediting fixes and allocation improvements in compound operations—high-impact for enterprise NFS users. The sound subsystem [4] landed a data race fix in the PCM OSS layer alongside device-specific quirks for HD-audio and USB-audio controllers. MTD subsystem [5] shipped Winbond octal SPI NAND support and an out-of-bounds fix that affects embedded storage stacks.

Action items

References

  1. [1] ACPI TAD driver removal and timer fixes for 7.1-rc2
  2. [2] ACPI APEI, CPPC, and video quirk merges
  3. [3] SMB3 client multichannel and allocation fixes
  4. [4] Sound subsystem PCM OSS and device-specific fixes
  5. [5] MTD Winbond SPI NAND and out-of-bounds fixes

FAQ

What changed in Linux on May 1, 2026?
The kernel is tightening up core subsystems ahead of 7.1 final, with ACPI, networking, and storage all shipping targeted fixes overnight.
What should Linux teams do about it?
Test 7.1-rc2 against your ACPI-dependent hardware, especially laptops with TAD devices • Retest SMB3 multichannel scenarios if you maintain Windows interop paths • Monitor PCM OSS audio paths for race condition regressions in testing

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