https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=242023
Bug ID: 242023
Summary: bhyve pci_vtnet_rx broken after r354552
Product: Base System
Version: CURRENT
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: bhyve
Assignee: virtualizat...@freebsd.org
Reporter: woods...@freebsd.org
I am running FreeBSD 13-CURRENT r354563, and when I boot my Windows 10 VM guest
it is crashing after ~5 seconds with the following error printed to the
console:
Assertion failed: (iov[0].iov_len >= sizeof(*hdr)), function pci_vtnet_rx, file
/usr/src/usr.sbin/bhyve/pci_virtio_net.c, line 272.
This appears that it could be a result of the recent change r354552 "bhyve: add
support for virtio-net mergeable rx buffers", as it added the line of code
referenced in the above error:
https://svnweb.freebsd.org/base?view=revision&revision=354552
The other thing that could be relevant is that this VM was recently upgraded to
Windows 10 version 1909. However, given the code that is crashing was only
added to head 8 days ago, that is my first guess at where the issue is.
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