CRIU - Recent changes [en]

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AI Engineer 2026

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CANOPIE-HPC @ Supercomputing 2026

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Download/criu/4.3

Avagin — Sat, 29 Aug 2026 01:45:11 GMT

Created page with " 400px|right {{Release|..."

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[[Image:4.3.jpg|400px|right]]
{{Release|4.3}}

=== New features ===
* Memory compression: Support for LZ4 memory page and block compression with multi-threaded decompression
* Support for AArch64 / ARM64 Guarded Control Stack (GCS)
* Parallelize memfd and anonymous shared memory content restore via async daemon (asyncd)
* Restorer: Restore VMA pages with Linux native AIO
* Add --image-io-mode option to support O_DIRECT reads/writes for pages images
* plugins/amdgpu: Support checkpoint and restore of DRM buffer objects and DMA-BUF file descriptors
* Support for Linux kernel binfmt_misc sandboxing
* Add UPDATE_INETSK hook for socket address rewrite during restore
* crit: Add offline compress and decompress commands for memory images
* criu: Add collection and restoration of timer_slack_ns per thread

=== Bugfixes ===
* restore: Fix exit code and wait status truncation for zombie processes
* restorer/pagemap: Detect EOF on truncated pages file to prevent infinite loops
* file-lock: Fix type confusion in broken read lease restore
* soccr: Restore TCP_REPAIR_WINDOW before TCP_SEND_QUEUE to avoid window collapse
* sk-queue: Fix SCM restore for packets containing both SCM_RIGHTS and SCM_CREDENTIALS
* sk-unix: Fix mutex deadlock on connect failure in standalone restore
* pipes: Restore pipe ownership to fix /proc/self/fd access permissions
* compel: Fix heap alignment for structs with XSAVE state
* fsnotify: Fix memory and file descriptor leaks in inotify/fanotify error paths
* pycriu: Fix self-dump failure when explicit PID is provided

=== Improvements ===
* compel/infect: Optimize task interception and stop tasks without hardware breakpoints
* restorer: Switch thread synchronization to atomic operations
* restore: Parallelize task stopping in attach_to_tasks and catch_tasks
* fsnotify: Add overlayfs directory walk fallback for inotify watches
* sockets: Support dumping and restoring ucred for Unix and Netlink sockets
* coredump: Enable coredump generation on riscv64
* contrib: Add reference client and test suite for criu-service
* docs: Major overhaul and export of "Under the Hood" architecture documentation
* ci: Consolidate test workflows, shard test suites, and add Lima-based kernel test jobs

User:NevaGarlock

NevaGarlock — Wed, 26 Aug 2026 00:52:37 GMT

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@@ Line 24: / Line 24: @@
 == Linux Plumbers Conference 2026 ==
-[[Image:Linuxplumbers.png |left|60px|link=]]
+[[Image:Linuxplumbers.png |left|64px|link=]]
 '''October 7, 2026 in Prague, Czech Republic'''
@@ Line 35: / Line 35: @@
 == AI Engineer 2026 ==
-[[Image:Ai-engineer-paris-2026-logo.jpeg ‎|left|60px|link=]]
+[[Image:Ai-engineer-paris-2026-logo.jpeg ‎|left|64px|link=]]
 '''September 24, 2026 in Paris, France'''

@@ Line 19: / Line 19: @@
 [[Image:Sc26_logo.png ‎|left|140px|link=]]
-'''November 16, 2026, Chicago, Illinois'''
+'''November 16, 2026 in Chicago, Illinois'''
 [https://canopie-hpc.org/program/ Parallel Restore-Optimized Snapshot Compression for Cost-Efficient Inference Serving]
 == Linux Plumbers Conference 2026 ==
-[[Image:Linuxplumbers.png|left|80px|link=]]
+[[Image:Linuxplumbers.png |left|60px|link=]]
-'''October 7, 2026, Prague, Czech Republic
+'''October 7, 2026 in Prague, Czech Republic'''
 [https://lpc.events/event/20/sessions/267/ Containers and Checkpoint/Restore Microconference]
 <noinclude><endFeed/>

@@ Line 17: / Line 17: @@
 == CANOPIE-HPC @ Supercomputing 2026 ==
-[[Image:Sc26_logo.jpg ‎|left|140px|link=]]
+[[Image:Sc26_logo.png ‎|left|140px|link=]]
 '''November 16, 2026, Chicago, Illinois'''

@@ Line 17: / Line 17: @@
 == CANOPIE-HPC @ Supercomputing 2026 ==
-[[Image:Sc25_logo.png ‎|left|140px|link=]]
+[[Image:Sc26_logo.jpg ‎|left|140px|link=]]
 '''November 16, 2026, Chicago, Illinois'''

@@ Line 75: / Line 75: @@
 == CANOPIE-HPC @ Supercomputing 2025 ==
-[[Image:Sc25_logo.png ‎|left|140px|link=]]
+[[Image:Sc26_logo.png ‎|left|140px|link=]]
 '''November 17, 2025, St. Louis, MO'''

@@ Line 3: / Line 3: @@
 {{Note|this page lists events that has happened already, kept here just for historical reasons. For future events, see [[News/events]].}}
 __TOC__
 == EuroMLSys 2026 ==