vmm: fix migration sender hang on worker failure - #192

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Coffeeri wants to merge 1894 commits into

cyberus-technology:mainfrom

Coffeeri:fix/migration-sender-hang

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Commits on May 14, 2026

build: Release v52.0
likebreath
committed
1314ac8

Commits on May 20, 2026

vmm: Revert "vmm: create memfd for private mappings"

rbradford
authored and
phip1611
committed
2557909
vm-migration: be explicit about commands
phip1611
committed
3759424
vmm: migration: better observe and log invalid states
phip1611
committed
0860597
vmm: Don't store the snapshot on the DeviceManager

rbradford
authored and
phip1611
committed
ebc1e7e
vmm: remove redundant SocketStream overrides

amphi
authored and
phip1611
committed
2ab7ee6
vmm: remove AsRawFd trait for SocketStream

amphi
authored and
phip1611
committed
cbfe183
vm-migration: client-side of a TLS connection

amphi
authored and
phip1611
committed
162f74e
vm-migration: server-side of a TLS connection

amphi
authored and
phip1611
committed
1eb31b1
vmm: add TLS streams to migration transport

amphi
authored and
phip1611
committed
725f0f8
vmm: accept migration connections over TLS

amphi
authored and
phip1611
committed
a5a248b
vmm: tighten migration URL validation

amphi
authored and
phip1611
committed
7da1e8c
vmm: add TLS API option to send migration call

amphi
authored and
phip1611
committed
db5213f
vmm: add TLS API option to receive migration call

amphi
authored and
phip1611
committed
cd1c00d
vmm: encrypt migration data with TLS if configured

amphi
authored and
phip1611
committed
5e0484b
docs: document live migration TLS encryption

amphi
authored and
phip1611
committed
ab64813
docs: update README for gardenlinux Cloud Hypervisor
phip1611
committed
ce9340e
misc: adjust AGENTS.md for our fork
phip1611
committed
41c8341
ci: enforce SAP commit style
phip1611
committed
53be0f7
ci: remove irrelevant CI for this fork
phip1611
committed
6f07b15
build: flake: init
phip1611
committed
f83009e
build: nix: add commit to version info

arctic-alpaca
authored and
phip1611
committed
44dd0ab
build: ci/nix: build cloud-hypervisor
phip1611
committed
5b45689
build: cargo: add optimized-dev profile
phip1611
committed
7499991
build: cargo: don't strip binary
phip1611
committed
e8ba7f3
main: print build version and date on startup
phip1611
committed
3caabf4
vmm: cpu: improve timeout handling in wait_until_signal_acknowledged()
phip1611
committed
714551c
vmm: increase logging level of precopy from debug -> info
phip1611
committed
9f6ca3d
vmm: pci: rename pci_device_id -> bdf_device
phip1611
committed
26c0baf
main: restore absolute timestamp behavior in logger
phip1611
committed
f795caf
misc: live-migration with virtio-net devices with network fds
phip1611
committed
ead7662
vmm: properly unset immediate_exit on -EINTR
phip1611
committed
07d1f92
vmm: vcpu: optimize lock usage
phip1611
committed
b3b0988
vmm: prerequisites for accessing KVM_RUN in the vCPU loop
phip1611
committed
46f6d30
vmm: fix kicking vCPU out of KVM_RUN from signal handler
phip1611
committed
caff5a7
vmm: temporarily make "resize" API call fail fast
phip1611
committed
babc663
vm-migration: mTLS -> TLS (make upstream compatible with our fork)
phip1611
committed
a346961
vmm: add vCPU throttling (auto-converge) for pre-copy
phip1611
committed
ed3e81e
vmm: console: add tcp option

hertrste
authored and
phip1611
committed
37505a8
vmm: serial: add Tcp enum entry

hertrste
authored and
phip1611
committed
c068d9d
vmm: serial: rename CloneUnixStream -> CloneStream

hertrste
authored and
phip1611
committed
67cc1af
vmm: serial: add serial tcp implementation

hertrste
authored and
phip1611
committed
eae34fe
vmm: serial: implement writer combiner

hertrste
authored and
phip1611
committed
6d3b70a
vmm: config: allow additional file when mode TCP

hertrste
authored and
phip1611
committed
4c396f3
vmm: serial: additional log to file

hertrste
authored and
phip1611
committed
73a98d0
vmm: serial_manager: use TypeId trait for key type in FanoutWriter

hertrste
authored and
phip1611
committed
8a65636
vmm: api: receive_migration can get a tcp_serial_url

hertrste
authored and
phip1611
committed
fef3e3f
arch: x86_64: refactor SMBIOS helpers

Coffeeri
authored and
phip1611
committed
59763b3
vmm: plumb legacy SMBIOS config

Coffeeri
authored and
phip1611
committed
7a1d331
vmm: platform: add structured SMBIOS config

Coffeeri
authored and
phip1611
committed
287c2c0
vmm: deprecate legacy SMBIOS keys in API and CLI

Coffeeri
authored and
phip1611
committed
29fab19
arch: smbios: add tests for table serialization

Coffeeri
authored and
phip1611
committed
9e3afb7
vmm: Allow to modify host numa settings

scholzp
authored and
phip1611
committed
90d53ef
vmm: migration: prepare EventFd for async migration events
phip1611
committed
a904e9b
vmm: migration: handle in dedicated thread (make async)
phip1611
committed
034935a
vmm: better VM ownership handling in context of live migration
phip1611
committed
e397792
vmm: api: temporarily make VmSendMigration call blocking again
phip1611
committed
f7303f3
vmm: migration: fix missing resume() VM after failed live migration
phip1611
committed
3b3eda1
vmm: migration: limit to running VMs only
phip1611
committed
27ba41b
vm-migration: prepare progress types for new API endpoint
phip1611
committed
04dd58f
vmm: add migration-progress API endpoint
phip1611
committed
e27612d
vmm: add migration-progress HTTP endpoint
phip1611
committed
2dd9618
vmm: actually populate migration progress
phip1611
committed
fe5387d
ch-remote: add `migration-progress` command
phip1611
committed
d9a8206
vmm: migration: switch to non-blocking SendMigration call
phip1611
committed
cf18742
ch-remote: wait for migration to finish by querying migration progress
phip1611
committed
8bbea46
vmm: api: less verbose log
phip1611
committed
9840545
devices: stop reset loops when vCPUs are paused

Coffeeri
authored and
phip1611
committed
26778e9
devices: cmos: simplify pause/kill wait flags

Coffeeri
authored and
phip1611
committed
07426a5
vmm: set timeouts on sockets used for live migrations

amphi
authored and
phip1611
committed
668a637
vmm: make aborted migrations return errors

amphi
authored and
phip1611
committed
8be5c81
vm-migration: send periodic keep alive messages during live migration

amphi
authored and
phip1611
committed
599d53a
vmm: return error if the migration sender never connects

amphi
authored and
phip1611
committed
a3f00f1
vmm: add context to MigrateSend-Error

amphi
authored and
phip1611
committed
eebf20f
vmm: return error if prefaulting fails

amphi
authored and
phip1611
committed
fc81e2a
vmm: migration receiver: report error when migration is aborted

amphi
authored and
phip1611
committed
0041e57
vmm: add context to MigrateReceive-Error

amphi
authored and
phip1611
committed
dc00fe1
vmm: add post-migration event to VmSnapshot

Coffeeri
authored and
phip1611
committed
fbb64c8
vmm: postpone reset/exit during migration

Coffeeri
authored and
phip1611
committed
23414bb
vmm: migration: switch downtime on postponed event

Coffeeri
authored and
phip1611
committed
fe3709f
vmm: streamline migration failure cleanup
phip1611
committed
838ea2e
vmm: api: add VmCancelMigration action
phip1611
committed
1688e55
vmm: http api: add VmCancelMigration action
phip1611
committed
9fa49fd
vmm: migration: add handle wrapper for MigrationWorker
phip1611
committed
2a2f4e6
vmm: add try_resume_vm() helper
phip1611
committed
c70dd77
vmm: migration: actually support cancellation
phip1611
committed
806b51b
vmm: migration: early cancellation (add more checks)
phip1611
committed
a925363
vmm: migration cancellation: integrate into TCP threads
phip1611
committed
a2abcf5
ch-remote: add cancel-migration
phip1611
committed
5283a0c
vmm: migration: properly print error chain on failure
phip1611
committed
0aebb7b
vmm: defer guest exit during migration

Coffeeri
authored and
phip1611
committed
0795c73
vmm: reduce API event verbosity
phip1611
committed
09c6399
vmm: keep virtio activation alive in migration

Coffeeri
authored and
phip1611
committed
8c86589
vm-migration: speed up volatile read and write

amphi
authored and
phip1611
committed
0c04114
vm-migration: Add AsFd for KeepAliveStream

amphi
authored and
phip1611
committed
dd4f596
vmm: differentiate timeouts by reader/writer, not sender/receiver

amphi
authored and
phip1611
committed
4db6bd3
vm-migration: move keep alive handling into the protocol

amphi
authored and
phip1611
committed
7c79afe
vm-migration: add KeepAlive status to response

amphi
authored and
phip1611
committed
37268c0
vm-migration: make KeepAliveStream work for sender and receiver

amphi
authored and
phip1611
committed
2c89466
vmm: always use KeepAliveStream for main connection

amphi
authored and
phip1611
committed
1d7098a
vmm: Use KeepAliveStream also for receiver

amphi
authored and
phip1611
committed
60fa667
vmm: migration: longer accept timeout for receiver
phip1611
committed
481c725
vmm: migration: improve error message on timeout
phip1611
committed
e01f34a
vm-migration: fix UB in network parsing

arctic-alpaca
authored and
phip1611
committed
b641706
vm-migration: stop sending abandon after error response

amphi
authored and
phip1611
committed
0e4be70
vmm: add mechanism for post-migration announcements

amphi
authored and
phip1611
committed
3655c61
vmm: add internal post-migration announce action

amphi
authored and
phip1611
committed
0f8e073
vmm: api: add API call for post migration announcements

amphi
authored and
phip1611
committed
2bffeb4
net_util: refactor ctrl queue parsing

amphi
authored and
phip1611
committed
54c920e
virtio-devices: net: refactor constructor state

amphi
authored and
phip1611
committed
909cb53
virtio-devices: net: report link up in config status

amphi
authored and
phip1611
committed
70fc3a2
virtio-devices: net: support guest announce after migration

amphi
authored and
phip1611
committed
cd9eb4b
virtio-devices: net: add guest announce tests

amphi
authored and
phip1611
committed
8a01679
virtio-devices: net: fix guest announce compatibility

amphi
authored and
phip1611
committed
f07580b
virtio-devices: net: restore pending announce notifications

amphi
authored and
phip1611
committed
7bfbdc3
virtio-devices: net: invalidate stale announce retries

amphi
authored and
phip1611
committed
a80ce71
vmm: Enable AMX states prior to checking CPUID compatibility

olivereanderson
authored and
phip1611
committed
dcdf37c
arch: Initial data structures for describing CPUID parameters

olivereanderson
authored and
phip1611
committed
6646945
hypervisor: Implement common traits for HypervisorType and CpuVendor

olivereanderson
authored and
phip1611
committed
f599f64
arch: CpuProfile data structures

olivereanderson
authored and
phip1611
committed
14d2466
misc: Make CPU profile part of various configs

olivereanderson
authored and
phip1611
committed
997cfe3
arch: Apply CPU profile (if any) when generating common CPUID

olivereanderson
authored and
phip1611
committed
65a8e4c
arch: Include Skylake and Sapphire rapids CPU profiles

olivereanderson
authored and
phip1611
committed
563b274
arch: CPUID definitions data structures

olivereanderson
authored and
phip1611
committed
fd04dca
arch: Intel CPUID definitions

olivereanderson
authored and
phip1611
committed
a8f9757
arch: KVM CPUID definitions

olivereanderson
authored and
phip1611
committed
fe5512e
arch: Improve CPUID incompatibility logging

olivereanderson
authored and
phip1611
committed
329d56c
arch: CPU profile generation CLI

olivereanderson
authored and
phip1611
committed
3c6e4c9
arch: Change numeric serialization for CPU profiles

olivereanderson
authored and
phip1611
committed
92a9442
arch: Passthrough policies for mutable CPUID fields

olivereanderson
authored and
phip1611
committed
7bbbd02
arch: Update CPU profiles (passthrough mutable fields)

olivereanderson
authored and
phip1611
committed
1f77620
arch: Regenerate CPU profiles after updating the serialization format

olivereanderson
authored and
phip1611
committed
e4ae34a
misc: move MSR retrieval to Hypervisor trait (KVM)
phip1611
committed
dd47149
hypervisor: Add get_msr_based_features method

olivereanderson
authored and
phip1611
committed
27b843a
hypervisor: Add get_msr_index_list method to the hypervisor trait

olivereanderson
authored and
phip1611
committed
846d221
misc: Don't expose MSR buffer directly through the hypervisor

olivereanderson
authored and
phip1611
committed
96aa3bf
hypervisor: msr_filter method on Vm trait

olivereanderson
authored and
phip1611
committed
a0d6833
arch: Disable UINTR state components

olivereanderson
authored and
phip1611
committed
d40d067
arch: Disable CET in CPUID for CPU profiles

olivereanderson
authored and
phip1611
committed
bdfd8c1
arch: Change CPU profile policy for MCA

olivereanderson
authored and
phip1611
committed
d4bdb77
arch: Change CPUID profile policy for WAITPKG

olivereanderson
authored and
phip1611
committed
48815aa
arch: More Inherit for CPUID leaf 0x7.EDX

olivereanderson
authored and
phip1611
committed
1dcb703
arch: Disable PKU and OSPKE for non-host CPU profiles

olivereanderson
authored and
phip1611
committed
d7becd7
arch: Change CPU profile generation tool

olivereanderson
authored and
phip1611
committed
ce5aee5
arch: Lookup methods on CPUID definitions

olivereanderson
authored and
phip1611
committed
4bd67c5
arch: Add data structures for MSR definitions

olivereanderson
authored and
phip1611
committed
09df0a5
arch: INTEL MSR-based feature definitions

olivereanderson
authored and
phip1611
committed
d0a764a
arch: I32_ARCH_CAPABILITIES changes according to PR review

olivereanderson
authored and
phip1611
committed
56afe85
arch: Change policies for CR4_FIXED_I

olivereanderson
authored and
phip1611
committed
fe5b3df
arch: MSR compatibility checks

olivereanderson
authored and
phip1611
committed
b249f20
arch: Stricter MSR compatibility checks for IA32_ARCH_CAPABILITIES

olivereanderson
authored and
phip1611
committed
550d633
arch: Add a list of all Intel architectural MSRS

olivereanderson
authored and
phip1611
committed
0869f9e
arch: Address architectural msrs review

olivereanderson
authored and
phip1611
committed
47c55a6
arch: Include a list of non-architectural MSRs

olivereanderson
authored and
phip1611
committed
af970c7
arch: Add lists of KVM MSRS

olivereanderson
authored and
phip1611
committed
e81cd26
arch: Add a list of HyperV MSRs

olivereanderson
authored and
phip1611
committed
a3cc017
arch: Add required MSR update functionality

olivereanderson
authored and
phip1611
committed
bdfeb7e
arch: Deny MSR functionality

olivereanderson
authored and
phip1611
committed
1ba49cf
vmm: Apply MSR adjustments according to CPU profile (if any)

olivereanderson
authored and
phip1611
committed
6c332a1
arch: Make the CPU profile generation tool MSR aware

olivereanderson
authored and
phip1611
committed
6ef99ea
arch: Use MSR aware profiles

olivereanderson
authored and
phip1611
committed
1b33c3c
arch: Inherit policy for MCA

olivereanderson
authored and
phip1611
committed
043bd6a
arch: Permit IA32_MCG_CAP and IA32_MCG_STATUS

olivereanderson
authored and
phip1611
committed
83619ba
arch: Regenerate CPU profiles

olivereanderson
authored and
phip1611
committed
1f1ddf5
arch: FORDIB IA32_U_CET and IA32_S_CET in CPU Profiles

olivereanderson
authored and
phip1611
committed
683d613
arch: Disable HDC state components for CPU profiles

olivereanderson
authored and
phip1611
committed
fa08c47
arch: Disable LBR state components

olivereanderson
authored and
phip1611
committed
52a3920
arch: Disable HWP state components

olivereanderson
authored and
phip1611
committed
6c31b6e
arch: Disable PT state components

olivereanderson
authored and
phip1611
committed
11cd2cc
arch: Disable PASID state components

olivereanderson
authored and
phip1611
committed
8086bdf
arch: Disable VM_ENTRY_HARDWARE_EXCEPTIONS for CPU profiles

olivereanderson
authored and
phip1611
committed
fa9dc5f
arch: Forbid IA32_XSS for non-host CPU profiles

olivereanderson
authored and
phip1611
committed
19a662d
arch: Clear LBR related bits in the VM-Exit and VM-Entry CTL MSRs

olivereanderson
authored and
phip1611
committed
b3abc68
docs: CPU Profile generation

olivereanderson
authored and
phip1611
committed
8e5bc8f
build: flate2 Workspace dependency

olivereanderson
authored and
phip1611
committed
81fbb61
arch: Code generation for CPU profiles

olivereanderson
authored and
phip1611
committed
65785e9
arch: Update cpu_profile.rs to include code generation from build.rs

olivereanderson
authored and
phip1611
committed
37239a6
docs: Update CPU profile generation developer documentation

olivereanderson
authored and
phip1611
committed
b88d1b9
arch: Deserialize CPU profiles in kebab-case

olivereanderson
authored and
phip1611
committed
8a11273
Merge pull request #153 from phip1611/gardenlinux-next-v52
phip1611
authored
9902cf3

Commits on May 21, 2026

vmm: add seccomp rules for absolute timestamps

amphi
authored and
phip1611
committed
7d2b664
virtio-devices: add seccomp rules for absolute timestamps

amphi
authored and
phip1611
committed
0cf621d

Commits on May 22, 2026

ci: bring back unit tests
phip1611
committed
13adaea
ci: implementation of flake bump auto approve and merge

pkr4711
authored and
tpressure
committed
1d5cab1

Commits on May 27, 2026

Commits on May 28, 2026

vmm: seccomp: extend event-monitor allowlist
phip1611
committed
7e0b120

Commits on May 29, 2026

Revert "arch: smbios: add tests for table serialization"
Coffeeri
committed
48e6ed9
Revert "vmm: deprecate legacy SMBIOS keys in API and CLI"
Coffeeri
committed
bd4572a
Revert "vmm: platform: add structured SMBIOS config"
Coffeeri
committed
ca72aa8
Revert "vmm: plumb legacy SMBIOS config"
Coffeeri
committed
a7736bc
Revert "arch: x86_64: refactor SMBIOS helpers"
Coffeeri
committed
62a6d87
vmm: store PCI MMIO allocators as slices

phip1611
authored and
Coffeeri
committed
af30c74
vmm: store PCI segments as a slice

phip1611
authored and
Coffeeri
committed
746cc49
vmm: store CPU affinity lists as slices

phip1611
authored and
Coffeeri
committed
104e12f
virtio-devices, vmm: replace Vec<T> with Box<[T]> in config structs

phip1611
authored and
Coffeeri
committed
37cbc45
arch: x86_64: refactor SMBIOS helpers
Coffeeri
committed
f5362f7
vmm: plumb legacy SMBIOS config
Coffeeri
committed
f65d01c
vmm: platform: add structured SMBIOS config
Coffeeri
committed
295863f
vmm: deprecate legacy SMBIOS keys in API and CLI
Coffeeri
committed
57ec3b8
arch: smbios: add tests for table serialization
Coffeeri
committed
cfeba65
tests: cover new SMBIOS platform fields
Coffeeri
committed
2d26a5f

Commits on Jun 2, 2026

vmm: Emit complete ACPI S5 sleep package
tpressure
committed
bc8f289

Commits on Jun 5, 2026

vmm: seccomp: add read to event-monitor allowlist
amphi
committed
d6b2484
vmm: seccomp: add read to http-server allowlist
amphi
committed
246bda5

Commits on Jun 10, 2026

build: nix: update to nixos-26.05
arctic-alpaca
committed
3544c4c

Commits on Jun 11, 2026

vmm: remove spammy log message
phip1611
committed
4a11781

Commits on Jun 18, 2026

block: Retry locking when interrupted by EINTR

scholzp
authored and
phip1611
committed
598ec8b
vmm: prevent serial manager TCP shutdown deadlock
amphi
committed
079ed4d

Commits on Jun 22, 2026

virtio-devices: block: drain async I/O before pausing

dgreid
authored and
phip1611
committed
780b18e

Commits on Jun 26, 2026

build: bump all Nix Flake dependencies
phip1611
committed
e648432
ci: fix flake bump auto approve workflow with forked PRs

pkr4711
authored and
tpressure
committed
0bd3750

Commits on Jun 29, 2026

vmm: temporarily decrease info logging for PIO access
amphi
committed
7c88aec

Commits on Jul 2, 2026

Commits on Jul 9, 2026

hypervisor: Fix clippy: for_kv_map

rbradford
authored and
arctic-alpaca
committed
af99501
virtio-devices: Fix clippy: for_kv_map

rbradford
authored and
arctic-alpaca
committed
5d6a2e1
vmm: Fix clippy: for_kv_map

rbradford
authored and
arctic-alpaca
committed
dae9118
test_infra: Fix clippy: useless_borrows_in_formatting

rbradford
authored and
arctic-alpaca
committed
40f032c
virtio-devices: Fix clippy: useless_borrows_in_formatting

rbradford
authored and
arctic-alpaca
committed
24f10e4
vmm: Fix clippy: useless_borrows_in_formatting

rbradford
authored and
arctic-alpaca
committed
9ae2d58
arch: Fix clippy: unused_format_specs

rbradford
authored and
arctic-alpaca
committed
54b5da1
test_infra: Fix clippy: uninlined_format_args

rbradford
authored and
arctic-alpaca
committed
a78aa63
vmm: Fix clippy: uninlined_format_args

rbradford
authored and
arctic-alpaca
committed
1ed8481
tests: Fix clippy: useless_borrows_in_formatting

rbradford
authored and
arctic-alpaca
committed
cb47649
tests: Fix clippy: uninlined_format_args

rbradford
authored and
arctic-alpaca
committed
4926f13
arch: Fix clippy: unused_format_specs
arctic-alpaca
committed
851a8e6
vmm: Fix clippy: useless_borrows_in_formatting
arctic-alpaca
committed
373036f

Commits on Jul 10, 2026

vmm: remove `get_lock_state` function
arctic-alpaca
committed
7f30e9c
vmm: remove `get_` prefix
arctic-alpaca
committed
fc056d5
vmm: refactor locking functions to be methods of `LockGranularity`
arctic-alpaca
committed
b4b7f59
vmm: refactor `LockGranularity` for easier addition of variants
arctic-alpaca
committed
82a6c76
vmm: move error handling into `fcntl` function
arctic-alpaca
committed
b177424
vmm: fix safety comment for `fcntl` wrapper
arctic-alpaca
committed
c6acfa0
vmm: add option for QEMU compatible file locking
arctic-alpaca
committed
b72315b
vmm: set `QemuCompatible` to the default `LockGranularityChoice`
arctic-alpaca
committed
72c474d

Commits on Jul 20, 2026

pci: Detect masked BAR size probes

Coffeeri
and
tpressure
committed
3e60ea9

Commits on Jul 27, 2026

Revert "main: restore absolute timestamp behavior in logger"
arctic-alpaca
committed
e790c85
main: Add support for "glog style" timestamps

rbradford
authored and
arctic-alpaca
committed
ff86599
main: logger: capture local timezone before seccomp

dgreid
authored and
arctic-alpaca
committed
b3d0d50
Revert "main: print build version and date on startup"
arctic-alpaca
committed
489a922
main: print build version on startup

arctic-alpaca
and
phip1611
committed
8b0b6f1

Commits on Jul 29, 2026

vmm: clean up migration threads on failure

arctic-alpaca
authored and
olivereanderson
committed
d00bdc0

Commits on Aug 6, 2026

Commits on Aug 18, 2026

vmm: fix migration sender hang on worker failure
Coffeeri
committed
847d8d8