Re: ivhd0 IO_PAGE_FAULT EVT with external disk
- Reply: Bjoern A. Zeeb: "Re: ivhd0 IO_PAGE_FAULT EVT with external disk"
- In reply to: Peter Grehan : "Re: ivhd0 IO_PAGE_FAULT EVT with external disk"
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Date: Fri, 30 Jul 2021 08:22:27 UTC
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On Fri, 30 Jul 2021, Peter Grehan wrote:
>> I grabbed an external USB drive from an Intel machine and put it to an AMD
>> host
>> using it to boot directly from it like:
>> -s 3,ahci-hd,/dev/da0,sectorsize=512 \
> ...
>
>> On the AMD machine this doesn't work and I get a lot of:
>>
>> ivhd0: EVT INTR 45 Status:0x1a EVT Head:0xfb0 Tail:0x430]^M
>> [CMD Total 0xaf] Tail:0xaf0, Head:0xaf0.^M
> ...
>> Is this in theory supposed to work?
>
> Yes.
Good.
>> Does this in any way depend on the USB
>> port used or are we simply working on the device node?
>
> bhyve only uses the device node.
Also good.
> Do you have passthru devices configured ? If so, are they under the same
> controller that the USB device is on ?
I do.
And they did work fine without the raw disk (netbooting FreeBSD).
If I remove the passthru devices the Linux on the disk boots.
nexus0
cryptosoft0
aesni0
smbios0
ram0
apic0
vtvga0
acpi0
cpu0
hwpstate0
acpi_perf0
cpufreq0
cpu1
acpi_perf1
cpu2
acpi_perf2
cpu3
acpi_perf3
acpi_button0
pcib0
pci0
hostb0
amdiommu0
hostb1
pcib1
pci1
ppt0
pcib2
pci2
igb0
pcib3
pci3
ppt1
pcib4
pci4
ppt2
pcib5
pci5
ppt3
xhci0
usbus0
uhub1
umass0
ahci0
ahcich0
ahcich1
ehci0
usbus1
uhub0
uhub2
isab0
isa0
orm0
superio0
wbwd0
sdhci_pci0
hostb2
hostb3
hostb4
hostb5
hostb6
hostb7
acpi_tz0
...
> (also what version of FreeBSD on the host)
HEAD as of a few days or weeks ago.
--
Bjoern A. Zeeb r15:7
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