tips for reading the ACPI specification: don't
February 12, 2026 at 5:22 PM
tips for reading the ACPI specification: don't
I am, once again, having to explain why ACPI is preferable to having userland smash values into random hardware and if 20 years ago you'd asked me if I would be defending ACPI I would have stared at you very hard
May 11, 2025 at 10:07 AM
I am, once again, having to explain why ACPI is preferable to having userland smash values into random hardware and if 20 years ago you'd asked me if I would be defending ACPI I would have stared at you very hard
"it's somewhere in the ACPI specification, i think you can find it in there..."
"did you just tell me to go fuck myself?"
"did you just tell me to go fuck myself?"
March 20, 2025 at 8:48 PM
"it's somewhere in the ACPI specification, i think you can find it in there..."
"did you just tell me to go fuck myself?"
"did you just tell me to go fuck myself?"
ACPI: Advanced Catgirl Programming Interface
January 8, 2026 at 5:17 AM
ACPI: Advanced Catgirl Programming Interface
We won an award at the Philippine Creative Awards for Animation & Games! 🏅
Thank you so much to GDAP and ACPI for hosting an event that recognizes talented Filipino creatives ✨
Thank you so much to GDAP and ACPI for hosting an event that recognizes talented Filipino creatives ✨
December 2, 2024 at 1:31 PM
We won an award at the Philippine Creative Awards for Animation & Games! 🏅
Thank you so much to GDAP and ACPI for hosting an event that recognizes talented Filipino creatives ✨
Thank you so much to GDAP and ACPI for hosting an event that recognizes talented Filipino creatives ✨
TIL my homelab motherboards initiate emergency ACPI shutdown when SATA devices get hotplugged
November 30, 2024 at 5:40 PM
TIL my homelab motherboards initiate emergency ACPI shutdown when SATA devices get hotplugged
Sometimes I still think about ACPI without immediately crying: www.codon.org.uk/~mjg59/blog/...
SystemIO conflicts are not firmware bugs
I’m looking at something entirely unrelated, but tripped over some search results that made me realise that a lot of people still think getting errors like ACPI Warning: SystemIO range 0x0000000000001...
www.codon.org.uk
September 9, 2026 at 11:07 PM
Sometimes I still think about ACPI without immediately crying: www.codon.org.uk/~mjg59/blog/...
(ACPI has entered the chat)
June 8, 2024 at 3:09 PM
(ACPI has entered the chat)
Urgent ACPI Revert For Linux 6.18 To Deal With Some Hardware Crashing - https://www.phoronix.com/news/Urgent-ACPI-Revert-Linux-6.18
Urgent ACPI Revert For Linux 6.18 To Deal With Some Hardware Crashing
The Linux 6.18 kernel is anticipated for release this coming Sunday while this week a last-minute crisis was averted following reports of a kernel crash from recent ACPI code changes...
www.phoronix.com
November 26, 2025 at 1:35 PM
Urgent ACPI Revert For Linux 6.18 To Deal With Some Hardware Crashing - https://www.phoronix.com/news/Urgent-ACPI-Revert-Linux-6.18
No...my PC isn't booting into Windows. I can get to my BIOS, but booting into any windows install (I did try multiple) gives me ACPI BIOS error 0xa5. I spent all night on this, updating the BIOS, disabling ACPI settings, taking out and setting the RAM back in...nothing's working...
February 12, 2026 at 7:47 AM
No...my PC isn't booting into Windows. I can get to my BIOS, but booting into any windows install (I did try multiple) gives me ACPI BIOS error 0xa5. I spent all night on this, updating the BIOS, disabling ACPI settings, taking out and setting the RAM back in...nothing's working...
Linux WMI Driver Gets Ready To Support ACPI-Based ARM64 Laptops - https://www.phoronix.com/news/Linux-ACPI-WMI-Driver-ARM64
Linux WMI Driver Gets Ready To Support ACPI-Based ARM64 Laptops
Linux developer Armin Wolf sent out a set of patches today for enabling AArch64 support for the ACPI Windows Management Instrumentation (WMI) driver to work on AArch64 in no longer being bound to x86/x86_64. This is a step toward the long goal of being able to support modern Windows on ARM laptops via ACPI on Linux...
www.phoronix.com
July 17, 2026 at 1:54 PM
Linux WMI Driver Gets Ready To Support ACPI-Based ARM64 Laptops - https://www.phoronix.com/news/Linux-ACPI-WMI-Driver-ARM64
Linux 7.1 Will Power Off The System By Default If A Fatal ACPI Error Occurs - https://www.phoronix.com/news/Linux-7.1-ACPI-Error-Power-Off
Linux 7.1 Will Power Off The System By Default If A Fatal ACPI Error Occurs
An important default kernel behavior change worth noting in advance for the upcoming Linux 7.1 kernel is that the system will attempt to power-off automatically if encountering any fatal ACPI errors. Up to now the Linux kernel has just logged ACPI fatal errors...
www.phoronix.com
March 2, 2026 at 6:08 PM
Linux 7.1 Will Power Off The System By Default If A Fatal ACPI Error Occurs - https://www.phoronix.com/news/Linux-7.1-ACPI-Error-Power-Off
New ACPI sleep level dropped: "Someone took a sledgehammer to the power supply"
October 21, 2024 at 8:47 PM
New ACPI sleep level dropped: "Someone took a sledgehammer to the power supply"
"You wouldn't expect windows vista to support pentium 1"
Windows Vista actually supports the original Intel Pentium 1, just only the motherboard needs to support ACPI.
Windows Vista actually supports the original Intel Pentium 1, just only the motherboard needs to support ACPI.
August 30, 2026 at 8:25 AM
"You wouldn't expect windows vista to support pentium 1"
Windows Vista actually supports the original Intel Pentium 1, just only the motherboard needs to support ACPI.
Windows Vista actually supports the original Intel Pentium 1, just only the motherboard needs to support ACPI.
Much Faster Suspend & Resume For Some Systems With Linux 6.14 - https://www.phoronix.com/news/Linux-6.14-ACPI
Much Faster Suspend & Resume For Some Systems With Linux 6.14
Alongside the power management and thermal driver updates this week for the ongoing Linux 6.14 kernel cycle were also the ACPI updates. The ACPI pull request was worth calling out on its own thanks to a change that will allow for faster suspend and resume cycles on some systems with this new kernel...
www.phoronix.com
January 25, 2025 at 12:25 PM
Much Faster Suspend & Resume For Some Systems With Linux 6.14 - https://www.phoronix.com/news/Linux-6.14-ACPI
catgirls dream of ACPI tables (nightmares)
May 24, 2025 at 3:42 PM
catgirls dream of ACPI tables (nightmares)
The APM standard later got replaced by ACPI, but it's an interesting tidbit of computer history nontheless.
If you'd like to read some interesting history of the APM vs ACPI debate, check out this writeup by MJG59:
mjg59.dreamwidth.org/68350.html
If you'd like to read some interesting history of the APM vs ACPI debate, check out this writeup by MJG59:
mjg59.dreamwidth.org/68350.html
Captcha Check
mjg59.dreamwidth.org
December 9, 2024 at 10:17 PM
The APM standard later got replaced by ACPI, but it's an interesting tidbit of computer history nontheless.
If you'd like to read some interesting history of the APM vs ACPI debate, check out this writeup by MJG59:
mjg59.dreamwidth.org/68350.html
If you'd like to read some interesting history of the APM vs ACPI debate, check out this writeup by MJG59:
mjg59.dreamwidth.org/68350.html
Linux 7.2 To Add ACPI CPPC v4 Support Authored By NVIDIA - https://www.phoronix.com/news/ACPI-CPPC-v4-Linux-7.2
Linux 7.2 To Add ACPI CPPC v4 Support Authored By NVIDIA
Ahead of NVIDIA Vera ramping up, the upcoming Linux 7.2 kernel is adding the ACPI CPPC v4 support authored by a NVIDIA engineer...
www.phoronix.com
June 8, 2026 at 1:49 PM
Linux 7.2 To Add ACPI CPPC v4 Support Authored By NVIDIA - https://www.phoronix.com/news/ACPI-CPPC-v4-Linux-7.2