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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-05-30 16:52:07 +0200 |
|---|---|---|
| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-05-30 16:52:17 +0200 |
| commit | 9260319e7411ff8281700a532caa436f40120ec4 (patch) | |
| tree | 2f6bfe5f3458dd49d328d3a9eb508595450adec0 /gitlab/issues_text/target_missing/host_missing/accel_missing/1645 | |
| parent | 225caa38269323af1bfc2daadff5ec8bd930747f (diff) | |
| download | qemu-analysis-9260319e7411ff8281700a532caa436f40120ec4.tar.gz qemu-analysis-9260319e7411ff8281700a532caa436f40120ec4.zip | |
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Diffstat (limited to 'gitlab/issues_text/target_missing/host_missing/accel_missing/1645')
| -rw-r--r-- | gitlab/issues_text/target_missing/host_missing/accel_missing/1645 | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/gitlab/issues_text/target_missing/host_missing/accel_missing/1645 b/gitlab/issues_text/target_missing/host_missing/accel_missing/1645 new file mode 100644 index 000000000..7b5892a70 --- /dev/null +++ b/gitlab/issues_text/target_missing/host_missing/accel_missing/1645 @@ -0,0 +1,8 @@ +qemu error `hotplug memory" error="QMP command failed: a used vhost backend has no free memory slots left"` +Description of problem: +When I create a Qemu VM with 8 Gpus and hot-plugging memory, this will return the error QMP command failed: a used vhost backend has no free memory slots left. I read some source file https://gitlab.com/qemu-project/qemu/-/blob/master/hw/virtio/vhost-user.c#L2077, and debug show u->user->memory_slots is 32, but this https://gitlab.com/qemu-project/qemu/-/blob/master/hw/virtio/vhost.c#L62 used_memslots is bigger than u->user->memory_slots. `u->user->memory_slots` is defined 32 by https://gitlab.com/qemu-project/qemu/-/blob/master/subprojects/libvhost-user/libvhost-user.h#L37, but I also see VHOST_USER_MAX_RAM_SLOTS defined 512 under x86 architecture. Can I improve `u->user->memory_slots` by any way? +Steps to reproduce: +1.crate kata containers with 8 Gpus +2.kata containers return error +Additional information: + |