I shared dvd burner device /dev/cd0 with the windows server 2012 guest
(using passthrough) and attempted to burn dvd from the guest using
InfraRecorder program.
In the process sound playing on the host was cycling several times for a
prolonged periods of time. After a while all of a sudden InfraRecorder
said that progress is 100%.
But I don't believe disk was even touched for writing. Instead host log
got many error messages, and eventually /dev/cd0 disappeared (!!!).
Why those error messages weren't passed to the guest program?
Did anybody actually succeed in burning dvds from guests? Is this
supposed to work?
Yuri
--- host system log ---
Oct 31 00:16:50 myhost kernel: ata2: error issuing ATA PACKET command
Oct 31 00:16:55 myhost kernel: ata2: MODE_SELECT_BIG trying to write on
read buffer
Oct 31 00:16:56 myhost kernel: ata2: timeout waiting for PACKET command
Oct 31 00:16:56 myhost kernel: ata2: error issuing ATA PACKET command
Oct 31 00:17:01 myhost kernel: ata2: MODE_SELECT_BIG trying to write on
read buffer
Oct 31 00:17:02 myhost kernel: ata2: timeout waiting for PACKET command
Oct 31 00:17:02 myhost kernel: ata2: error issuing ATA PACKET command
Oct 31 00:17:07 myhost kernel: ata2: MODE_SELECT_BIG trying to write on
read buffer
Oct 31 00:17:08 myhost kernel: ata2: timeout waiting for PACKET command
Oct 31 00:17:08 myhost kernel: ata2: error issuing ATA PACKET command
Oct 31 00:17:13 myhost kernel: ata2: MODE_SELECT_BIG trying to write on
read buffer
Oct 31 00:17:14 myhost kernel: ata2: timeout waiting for PACKET command
Oct 31 00:17:14 myhost kernel: ata2: error issuing ATA PACKET command
Oct 31 00:17:20 myhost kernel: unknown: FAILURE - READ_TOC ILLEGAL
REQUEST asc=0x24 ascq=0x00
Oct 31 00:17:20 myhost kernel: ata2: MODE_SELECT_BIG trying to write on
read buffer
Oct 31 00:17:21 myhost kernel: ata2: timeout waiting for PACKET command
Oct 31 00:17:21 myhost kernel: ata2: error issuing ATA PACKET command
Oct 31 00:17:26 myhost kernel: unknown: FAILURE - READ_TOC ILLEGAL
REQUEST asc=0x24 ascq=0x00
Oct 31 00:17:26 myhost kernel: unknown: FAILURE - READ_BUFFER ILLEGAL
REQUEST asc=0x24 ascq=0x00
Oct 31 00:17:26 myhost kernel: unknown: FAILURE - READ_TOC ILLEGAL
REQUEST asc=0x24 ascq=0x00
Oct 31 00:17:26 myhost kernel: unknown: FAILURE - READ_BUFFER ILLEGAL
REQUEST asc=0x24 ascq=0x00
Oct 31 00:17:26 myhost kernel: ata2: MODE_SELECT_BIG trying to write on
read buffer
Oct 31 00:17:27 myhost kernel: ata2: timeout waiting for PACKET command
Oct 31 00:17:27 myhost kernel: ata2: error issuing ATA PACKET command
Oct 31 00:17:32 myhost kernel: unknown: FAILURE - READ_TOC ILLEGAL
REQUEST asc=0x24 ascq=0x00
Oct 31 00:17:32 myhost last message repeated 2 times
Oct 31 00:17:32 myhost kernel: ata2: MODE_SELECT_BIG trying to write on
read buffer
Oct 31 00:17:33 myhost kernel: ata2: timeout waiting for PACKET command
Oct 31 00:17:33 myhost kernel: ata2: error issuing ATA PACKET command
Oct 31 00:17:38 myhost kernel: unknown: FAILURE - MODE_SENSE_BIG ILLEGAL
REQUEST asc=0x24 ascq=0x00 sks=0x4d 0x00 0x02
Oct 31 00:17:38 myhost kernel: unknown: FAILURE - MODE_SENSE_BIG ILLEGAL
REQUEST asc=0x24 ascq=0x00 sks=0x4d 0x00 0x02
Oct 31 00:17:38 myhost kernel: ata2: unknown CMD (0xb6) trying to write
on read buffer
Oct 31 00:17:39 myhost kernel: ata2: timeout waiting for PACKET command
Oct 31 00:17:39 myhost kernel: ata2: error issuing ATA PACKET command
Oct 31 00:17:44 myhost kernel: unknown: FAILURE - unknown CMD (0x03)
ILLEGAL REQUEST asc=0x24 ascq=0x00
Oct 31 00:17:50 myhost kernel: unknown: FAILURE - READ_TOC ILLEGAL
REQUEST asc=0x24 ascq=0x00
Oct 31 00:17:50 myhost kernel: ata2: MODE_SELECT_BIG trying to write on
read buffer
Oct 31 00:17:51 myhost kernel: ata2: timeout waiting for PACKET command
Oct 31 00:17:51 myhost kernel: ata2: error issuing ATA PACKET command
Oct 31 00:17:56 myhost kernel: ata2: unknown CMD (0xbf) trying to write
on read buffer
Oct 31 00:17:57 myhost kernel: ata2: timeout waiting for PACKET command
Oct 31 00:17:57 myhost kernel: ata2: error issuing ATA PACKET command
Oct 31 00:18:12 myhost kernel: (cd0:ata2:0:0:0): lost device, 1 refs
Oct 31 00:18:12 myhost kernel: (pass4:ata2:0:0:0): Lost target 0???
Oct 31 00:18:12 myhost kernel: (cd0:ata2:0:0:0): removing device entry
Oct 31 00:18:12 myhost kernel: (pass4:ata2:0:0:0): passdevgonecb: devfs
entry is gone
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