[Bug 270966] PCI passthru stops working after ~30 guest reboots (ivhd, ILLEGAL CMD, IO_PAGE_FAULT)

In reply to: bugzilla-noreply_a_freebsd.org: "[Bug 270966] PCI passthru stops working after ~30 guest reboots (ivhd, ILLEGAL CMD, IO_PAGE_FAULT)"
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From: <bugzilla-noreply_at_freebsd.org>
Date: Mon, 07 Aug 2023 20:48:48 UTC

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=270966

--- Comment #9 from attila.kover@guardian.co.uk ---
(In reply to Raúl from comment #7)


This same problem is already present in both 12.2 and 13.0 (fresh install, no
OS update, no patch, only vm-bhyve installed with pkg).

This time I've used a desktop machine, Asus M5A99X EVO board with a 4-port
Intel 82580 NIC.


Part of /var/log/messages in 13.0:

Aug  7 20:08:21 dlc kernel: ivhd0: Error: completion failed tail:0xbd0,
head:0x30.
Aug  7 20:08:21 dlc kernel: ivhd0: Dump last 1 command(s):
Aug  7 20:08:21 dlc kernel:   [CMD0, off:0x20] opcode= 0x2 0x800 0x0 0xa5a5
Aug  7 20:08:25 dlc kernel: ivhd0: Error: completion failed tail:0xc80,
head:0x30.
Aug  7 20:08:25 dlc kernel: ivhd0: Dump last 1 command(s):
Aug  7 20:08:25 dlc kernel:   [CMD0, off:0x20] opcode= 0x2 0x800 0x0 0xa5a5
Aug  7 20:08:25 dlc kernel: ivhd0: Error: completion failed tail:0xd30,
head:0x30.
Aug  7 20:08:25 dlc kernel: ivhd0: Dump last 1 command(s):
Aug  7 20:08:25 dlc kernel:   [CMD0, off:0x20] opcode= 0x2 0x800 0x0 0xa5a5
Aug  7 20:08:25 dlc kernel: ivhd0: Error: completion failed tail:0xde0,
head:0x30.
Aug  7 20:08:25 dlc kernel: ivhd0: Dump last 1 command(s):
Aug  7 20:08:25 dlc kernel:   [CMD0, off:0x20] opcode= 0x2 0x800 0x0 0xa5a5



Part of /var/log/messages in 12.2:

Aug  7 20:41:03 dlc kernel: ivhd0: Error: completion failed tail:0x9d0,
head:0x30.
Aug  7 20:41:03 dlc kernel: ivhd0: Dump last 1 command(s):
Aug  7 20:41:03 dlc kernel:   [CMD0, off:0x20] opcode= 0x1 0x512b029 0x0 0xa5a5
Aug  7 20:41:06 dlc kernel: ivhd0: Error: completion failed tail:0xa80,
head:0x30.
Aug  7 20:41:06 dlc kernel: ivhd0: Dump last 1 command(s):
Aug  7 20:41:06 dlc kernel:   [CMD0, off:0x20] opcode= 0x1 0x512b029 0x0 0xa5a5
Aug  7 20:41:06 dlc kernel: ivhd0: Error: completion failed tail:0xb30,
head:0x30.
Aug  7 20:41:06 dlc kernel: ivhd0: Dump last 1 command(s):
Aug  7 20:41:06 dlc kernel:   [CMD0, off:0x20] opcode= 0x1 0x512b029 0x0 0xa5a5
Aug  7 20:41:06 dlc kernel: ivhd0: Error: completion failed tail:0xbe0,
head:0x30.
Aug  7 20:41:06 dlc kernel: ivhd0: Dump last 1 command(s):
Aug  7 20:41:06 dlc kernel:   [CMD0, off:0x20] opcode= 0x1 0x512b029 0x0 0xa5a5

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