firecracker

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no internet inside the VM

2

I followed the getting started docs to set up and run the firecracker VM. However, I am not able to access the internet inside the VM. Firecracker version: v1.6.0 Host...

chappie1998

Error writing to file - write (28: No space left on device) [IP: 185.125.190.36 80]

9

# Describe the bug When I started firecracker according to getting-started, an error occurred when executing unminimize: Error writing to file - write (28: No space left on device) [IP:...

lebron8dong

Fix bindgen.sh and solve TODO

2

## Changes - Fix `bindgen.sh` - Generates Rust code from `prctl.h` and solve TODO ## Reason bindgen.sh is broken for the following reasons: - `--size_t-is-usize` was removed since it became...

zulinx86

[Feature Request] Core Scheduling

2

# Feature Request It would be valuable to have core scheduling for Firecracker, to avoid, and potentially eliminate side channel attacks. ## Describe the desired solution To add core scheduling...

sargun

Cannot boot a 32MB VM

4

VMs cannot be booted with 32MB (or lower) as the memory size. It does work with >= 33MB though. Steps to reproduce: ```shell # In one terminal ./firecracker --api-sock /tmp/firecracker.socket...

jeromegn

Interact with the MicroVM in jail environment and daemon mode.

1

Hi I started the microVM running correctly with the jail in daemon mode, I see my VM running in memory but I can't connect to the shell. The kernel is...

dtouzeau

Taking Diff Snapshots is not transactional

1

**Description**: To determine which parts of guest memory should be included in a differential snapshot, we have two "dirty bitmaps" to consult: The one maintained by KVM for tracking memory...

JonathanWoollett-Light

Use `u32` to describe descriptor chain lengths

2

### Description Currently, parts of our virtio code use usize to describe the lengths of descriptor chains [[1](https://github.com/firecracker-microvm/firecracker/blob/036d9906a09ed759597ee88bab6c1278e4fd7655/src/vmm/src/devices/virtio/iovec.rs#L43)], while other parts use u32, which results in some ugly casts that...

bchalios

Rustify Snapshot Module

12

As part of [the work done to remove support for versionize](https://github.com/firecracker-microvm/firecracker/pull/4230#discussion_r1394074065), we realized that we could improve the API of the snapshot module. The pattern that would like to follow...

zulinx86

Avoid IoVecBuffer allocations in the TX network data path

1

### Description When the guest wants to transmit an ethernet frame over a virtio-net device it places the frame somewhere in guest memory and sends us an interrupt. A single...

bchalios