|
| 1 | +--- |
| 2 | +title: "Cloud Hypervisor v47.0 Released!" |
| 3 | +date: 2025-07-22T22:48:05Z |
| 4 | +draft: false |
| 5 | +contributors: [Cloud Hypervisor Team] |
| 6 | +--- |
| 7 | +This release has been tracked in [v47.0 group](https://github.com/orgs/cloud-hypervisor/projects/6/views/4?filterQuery=release%3A%22Release+47%22) of our [roadmap project](https://github.com/orgs/cloud-hypervisor/projects/6/). |
| 8 | + |
| 9 | +Block Device Error Reporting to the Guest |
| 10 | +----------------------------------------- |
| 11 | + |
| 12 | +Instead of exiting on I/O errors, the `virtio-block` device now reports |
| 13 | +errors to the guest using `VIRTIO_BLK_S_IOERR`. It improves the user |
| 14 | +experience particularly when the guest rootfs is not backed by the |
| 15 | +affected block device. (#7107) |
| 16 | + |
| 17 | +Nice Error Messages on Exit |
| 18 | +--------------------------- |
| 19 | + |
| 20 | +We now have the chain of errors being reported and printed nicely, when |
| 21 | +Cloud Hypervisor or ch-remote exits on errors. (#7066) |
| 22 | + |
| 23 | +Alphabetically Sorted CLI Options for ch-remote |
| 24 | +----------------------------------------------- |
| 25 | + |
| 26 | +To improve readability, ch-remote now prints help information in |
| 27 | +alphabetical order. (#7130) |
| 28 | + |
| 29 | +Notable Bug Fixes |
| 30 | +----------------- |
| 31 | + |
| 32 | +* Error out early when block device serial is too long (#7124) |
| 33 | +* Fix partial commands being discarded for `virtio-vsock` (#7195) |
| 34 | +* Disable the broken interrupt support for the `rtc_pl031` device to |
| 35 | + prevent spurious guest interrupts (#7199) |
| 36 | + |
| 37 | +Deprecations |
| 38 | +------------ |
| 39 | + |
| 40 | +* A default IP (`192.168.249.1`) and mask (`255.255.255.0`) are |
| 41 | + currently assigned to the `virtio-net` device if no value is specified |
| 42 | + by users. Such behavior is now deprecated. Users of this behavior will |
| 43 | + receive a warning message and should make adjustments. The behavior |
| 44 | + will be removed in two release cycles (v49.0). |
| 45 | +### Download |
| 46 | + See the <a href="https://github.com/cloud-hypervisor/cloud-hypervisor/releases/tag/v47.0">GitHub Release</a> for the release assets. |
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