Date: Fri, 30 Jul 2021 00:26:24 +0000 (UTC) From: "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net> To: freebsd-virtualization@freebsd.org Subject: ivhd0 IO_PAGE_FAULT EVT with external disk Message-ID: <alpine.BSF.2.00.2107300018030.68830@ai.fobar.qr>
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Hi,
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
ivhd0: [Event0: Head:0xfb0 Tail:0x440]^M
[IO_PAGE_FAULT EVT: devId:0x80 DomId:0x0 Addr:0xaa4cf410 0x20<RW>]^M
ivhd0: [Event1: Head:0xfc0 Tail:0x460]^M
[IO_PAGE_FAULT EVT: devId:0x80 DomId:0x0 Addr:0xaa4ce010 0x20<RW>]^M
ivhd0: [Event2: Head:0xfd0 Tail:0x470]^M
[IO_PAGE_FAULT EVT: devId:0x80 DomId:0x0 Addr:0xaa5c4000 0x20<RW>]^M
ivhd0: [Event3: Head:0xfe0 Tail:0x470]^M
[IO_PAGE_FAULT EVT: devId:0x80 DomId:0x0 Addr:0xaa4cf410 0x20<RW>]^M
ivhd0: [Event4: Head:0xff0 Tail:0x470]^M
[IO_PAGE_FAULT EVT: devId:0x80 DomId:0x0 Addr:0xaa5c4000 0x20<RW>]^M
ivhd0: [Event5: Head:0x0 Tail:0x470]^M
[IO_PAGE_FAULT EVT: devId:0x80 DomId:0x0 Addr:0xaa4cfa90 0x20<RW>]^M
...
Is this in theory supposed to work? Does this in any way depend on the USB
port used or are we simply working on the device node?
/bz
--
Bjoern A. Zeeb r15:7
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