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Linux kernel maintainer. Compilers and virtualization at Parity Technologies.

a git cheat sheet

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Alastair captures one of the biggest problems with the current RISC-V spec. When I looked into this a while back I was (almost) shocked at the lack of rigor and state of the tooling. I say almost because I expected it, but was still sad. Read his blog.

https://alastairreid.github.io/riscv-spec-issues/

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Jarkko Sakkinen

How people login to #OpenSUSE #Bugzilla? Does not work for me.
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Incredible research at BlackHat Asia today by Tong Liu and team from the Institute of Information Engineering, Chinese Academy of Sciences (在iie.ac.cn 的电子邮件经过验证)

A dozen+ RCEs on popular LLM framework libraries like LangChain and LlamaIndex - used in lots of chat-assisted apps including GitHub. These guys got a reverse shell in two prompts, and even managed to exploit SetUID for full root on the underlying VM!

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"hi I am Greg, this is wrong, everything I say is public information and *not* under NDA" - @gregkh on stage of the

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Jarkko Sakkinen

I think this is the most time-standing IT book that I own. It was published in 1999 and I still check it from time to time.

E.g. when collaborating with hpa on arch/x86/realmode, this book was my main reference in addition to ELF specification.

It is also as prose very nice reading with cool stories embedded!

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Jarkko Sakkinen

love this, going to try it ao486 core developed for MiSTeR FPGA https://github.com/microsoft/MS-DOS :-) fan-tas-tic #microsoft #dos
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Jarkko Sakkinen

destination tallinn
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Jarkko Sakkinen

when the comedy writes itself https://www.youtube.com/watch?v=v5-xpoL280E
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Jarkko Sakkinen

dragon looks interesting: https://github.com/osandov/drgn

I need to try this.
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Jarkko Sakkinen

#LWN #subscription renewed for the next annual period!
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Jarkko Sakkinen

Edited 7 months ago

I wonder if this the most convenient way to reset #KDE #Plasma 6 panel settings:

rm -f .config/plasmashellrc && kquitapp5 plasmashell && kstart5 plasmashell
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Edited 7 months ago

A recent demo "Backslide to Arcanum" by Cosmic Orbs included a mind-blowing fullscreen 50Hz rotozoom effect on Amiga 500. Having created a rotozoomer on A500 back in the day I knew exactly how incredibly hard it is to make such routine run fast. The effect has now been dissected and there's also author's writeup.
• Dissect of the effect by Alexander Grupe: https://heckmeck.de/blog/skew-this/
• Jobbo's writeup: https://www.cosmicorbs.com/blog/backslide
• Backslide to Arcanum at Pouet: https://www.pouet.net/prod.php?which=96604

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Jarkko Sakkinen

Edited 7 months ago

Voyager 1 just got software update. 15 billion miles away from home :-)

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Jarkko Sakkinen

Edited 7 months ago
Despite yesterdays rant on #Intel #GPU I cannot wait to have the slice of time to test various things like drm-tip. My own computer failings gives a chance me to learn a tiny bit of new in #Linux #kernel :-) So I'm always excited when my computers fails.
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Jarkko Sakkinen

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Thorsten Leemhuis (acct. 1/4)

9.0.0 is out:

https://www.qemu.org/2024/04/23/qemu-9-0-0/

https://wiki.qemu.org/ChangeLog/9.0

"'block: virtio-blk now supports multiqueue where different queues of a single disk can be processed by different I/O threads

migration: support for “mapped-ram” capability allowing for more efficient VM snapshots, improved support for zero-page detection, and checkpoint-restart support for VFIO

ARM: architectural feature support for ECV, NV, and NV2

ARM: board support for […] raspi4b (Raspberry Pi 4 Model B)"'

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