[Qemu-devel] Re: qemu 20061102 snapshot: trouble booting directly from c

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[Qemu-devel] Re: qemu 20061102 snapshot: trouble booting directly from c

From:	Juergen Lock
Subject:	[Qemu-devel] Re: qemu 20061102 snapshot: trouble booting directly from cdrom device
Date:	Sun, 10 Dec 2006 00:36:53 +0100
User-agent:	Mutt/1.5.11
On Sat, Nov 11, 2006 at 01:58:43PM +0100, I wrote:
> Hi!
> 
>  I got a report yesterday of the win2k cd bsod'ing with an
> INACCESSIBLE_BOOT_DEVICE error when booted directly from the device
> (as opposed to from an iso, which worked.)  I dont have a win2k cd,
> but I tried a KANOTIX-2006-01-RC2 cd (linux livecd), and that, although
> it did boot, said
>       VFS: busy inodes on changed media
> repeatedly.  ...

I just enabled DEBUG_IDE and DEBUG_IDE_ATAPI in ide.c (now using
the 2006-11-28 snapshot), and below is what I get booting the guest
at runlevel 2 between each
        VFS: busy inodes on changed media
message (I hit return between each and copied out one iteration.)

 The same booted from the iso comes after that, and then the diff
(search for (qemu)...)

 Any ide experts around that can tell whats happening here?

(qemu) IDE: write addr=0x176 val=0xa0
ide: read addr=0x177 val=40
ide: read addr=0x177 val=40
ide: read addr=0x177 val=40
ide: read addr=0x177 val=40
IDE: write addr=0x171 val=0x00
IDE: write addr=0x172 val=0x00
IDE: write addr=0x173 val=0x00
IDE: write addr=0x174 val=0x00
IDE: write addr=0x175 val=0x00
ide: write control addr=0x376 val=08
IDE: write addr=0x177 val=0xa0
ide: CMD=a0
ide: read addr=0x177 val=48
ide: read addr=0x177 val=48
ATAPI limit=0x0 packet: 00 00 00 00 00 00 00 00 00 00 00 00
ide: read status addr=0x376 val=40
ide: read addr=0x177 val=40
ide: read addr=0x172 val=03
ide: read addr=0x174 val=00
ide: read addr=0x175 val=00
IDE: write addr=0x176 val=0xa0
ide: read addr=0x177 val=40
ide: read addr=0x177 val=40
ide: read addr=0x177 val=40
ide: read addr=0x177 val=40
IDE: write addr=0x171 val=0x00
IDE: write addr=0x172 val=0x00
IDE: write addr=0x173 val=0x00
IDE: write addr=0x174 val=0x00
IDE: write addr=0x175 val=0x00
ide: write control addr=0x376 val=08
IDE: write addr=0x177 val=0xa0
ide: CMD=a0
ide: read addr=0x177 val=48
ide: read addr=0x177 val=48
ATAPI limit=0x0 packet: 00 00 00 00 00 00 00 00 00 00 00 00
ide: read status addr=0x376 val=40
ide: read addr=0x177 val=40
ide: read addr=0x172 val=03
ide: read addr=0x174 val=00
ide: read addr=0x175 val=00
IDE: write addr=0x176 val=0xa0
ide: read addr=0x177 val=40
ide: read addr=0x177 val=40
ide: read addr=0x177 val=40
ide: read addr=0x177 val=40
IDE: write addr=0x171 val=0x00
IDE: write addr=0x172 val=0x00
IDE: write addr=0x173 val=0x00
IDE: write addr=0x174 val=0x08
IDE: write addr=0x175 val=0x00
ide: write control addr=0x376 val=08
IDE: write addr=0x177 val=0xa0
ide: CMD=a0
ide: read addr=0x177 val=48
ide: read addr=0x177 val=48
ATAPI limit=0x8 packet: 25 00 00 00 00 00 00 00 00 00 00 00
atapi_cmd_error: sense=0x2 asc=0x3a
ide: read status addr=0x376 val=41
ide: read addr=0x177 val=41
ide: read addr=0x171 val=20
IDE: write addr=0x176 val=0xa0
ide: read addr=0x177 val=41
ide: read addr=0x177 val=41
ide: read addr=0x177 val=41
ide: read addr=0x177 val=41
IDE: write addr=0x171 val=0x00
IDE: write addr=0x172 val=0x00
IDE: write addr=0x173 val=0x00
IDE: write addr=0x174 val=0x12
IDE: write addr=0x175 val=0x00
ide: write control addr=0x376 val=08
IDE: write addr=0x177 val=0xa0
ide: CMD=a0
ide: read addr=0x177 val=49
ide: read addr=0x177 val=49
ATAPI limit=0x12 packet: 03 00 00 00 12 00 00 00 00 00 00 00
reply: tx_size=18 elem_tx_size=0 index=0
byte_count_limit=18
status=0x48
ide: read status addr=0x376 val=48
ide: read addr=0x177 val=48
ide: read addr=0x172 val=02
ide: read addr=0x174 val=12
ide: read addr=0x175 val=00
reply: tx_size=0 elem_tx_size=0 index=18
status=0x40
ide: read status addr=0x376 val=40
ide: read addr=0x177 val=40
ide: read addr=0x172 val=03
ide: read addr=0x174 val=12
ide: read addr=0x175 val=00
IDE: write addr=0x176 val=0xa0
ide: read addr=0x177 val=40
ide: read addr=0x177 val=40
ide: read addr=0x177 val=40
ide: read addr=0x177 val=40
IDE: write addr=0x171 val=0x00
IDE: write addr=0x172 val=0x00
IDE: write addr=0x173 val=0x00
IDE: write addr=0x174 val=0x04
IDE: write addr=0x175 val=0x00
ide: write control addr=0x376 val=08
IDE: write addr=0x177 val=0xa0status=0x48
ide: read status addr=0x376 val=48
ide: read addr=0x177 val=48
ide: read addr=0x172 val=02
ide: read addr=0x174 val=12
ide: read addr=0x175 val=00
reply: tx_size=0 elem_tx_size=0 index=18
status=0x40
ide: read status addr=0x376 val=40
ide: read addr=0x177 val=40
ide: read addr=0x172 val=03
ide: read addr=0x174 val=12
ide: read addr=0x175 val=00
IDE: write addr=0x176 val=0xa0
ide: read addr=0x177 val=40
ide: read addr=0x177 val=40
ide: read addr=0x177 val=40
ide: read addr=0x177 val=40
IDE: write addr=0x171 val=0x00
IDE: write addr=0x172 val=0x00
IDE: write addr=0x173 val=0x00
IDE: write addr=0x174 val=0x00
IDE: write addr=0x175 val=0x00
ide: write control addr=0x376 val=08
IDE: write addr=0x177 val=0xa0
ide: CMD=a0
ide: read addr=0x177 val=48
ide: read addr=0x177 val=48
ATAPI limit=0x0 packet: 00 00 00 00 00 00 00 00 00 00 00 00
ide: read status addr=0x376 val=40
ide: read addr=0x177 val=40
ide: read addr=0x172 val=03
ide: read addr=0x174 val=00
ide: read addr=0x175 val=00
IDE: write addr=0x176 val=0xa0
ide: read addr=0x177 val=40
ide: read addr=0x177 val=40
ide: read addr=0x177 val=40
ide: read addr=0x177 val=40
IDE: write addr=0x171 val=0x00
IDE: write addr=0x172 val=0x00
IDE: write addr=0x173 val=0x00
IDE: write addr=0x174 val=0x00
IDE: write addr=0x175 val=0x00
ide: write control addr=0x376 val=08
IDE: write addr=0x177 val=0xa0
ide: CMD=a0
ide: read addr=0x177 val=48
ide: read addr=0x177 val=48
ATAPI limit=0x0 packet: 00 00 00 00 00 00 00 00 00 00 00 00
ide: read status addr=0x376 val=40
ide: read addr=0x177 val=40
ide: read addr=0x172 val=03
ide: read addr=0x174 val=00
ide: read addr=0x175 val=00
IDE: write addr=0x176 val=0xa0
ide: read addr=0x177 val=40
ide: read addr=0x177 val=40
ide: read addr=0x177 val=40
ide: read addr=0x177 val=40
IDE: write addr=0x171 val=0x00
IDE: write addr=0x172 val=0x00
IDE: write addr=0x173 val=0x00
IDE: write addr=0x174 val=0x08
IDE: write addr=0x175 val=0x00
ide: write control addr=0x376 val=08
IDE: write addr=0x177 val=0xa0
ide: CMD=a0
ide: read addr=0x177 val=48
ide: read addr=0x177 val=48
ATAPI limit=0x8 packet: 25 00 00 00 00 00 00 00 00 00 00 00
atapi_cmd_error: sense=0x2 asc=0x3a
ide: read status addr=0x376 val=41
ide: read addr=0x177 val=41
ide: read addr=0x171 val=20
IDE: write addr=0x176 val=0xa0
ide: read addr=0x177 val=41
ide: read addr=0x177 val=41
ide: read addr=0x177 val=41
ide: read addr=0x177 val=41
IDE: write addr=0x171 val=0x00
IDE: write addr=0x172 val=0x00
IDE: write addr=0x173 val=0x00
IDE: write addr=0x174 val=0x12
IDE: write addr=0x175 val=0x00
ide: write control addr=0x376 val=08
IDE: write addr=0x177 val=0xa0
ide: CMD=a0
ide: read addr=0x177 val=49
ide: read addr=0x177 val=49
ATAPI limit=0x12 packet: 03 00 00 00 12 00 00 00 00 00 00 00
reply: tx_size=18 elem_tx_size=0 index=0
byte_count_limit=18
status=0x48
ide: read status addr=0x376 val=48
ide: read addr=0x177 val=48
ide: read addr=0x172 val=02
ide: read addr=0x174 val=12
ide: read addr=0x175 val=00
reply: tx_size=0 elem_tx_size=0 index=18
status=0x40
ide: read status addr=0x376 val=40
ide: read addr=0x177 val=40
ide: read addr=0x172 val=03
ide: read addr=0x174 val=12
ide: read addr=0x175 val=00
IDE: write addr=0x176 val=0xa0
ide: read addr=0x177 val=40
ide: read addr=0x177 val=40
ide: read addr=0x177 val=40
ide: read addr=0x177 val=40
IDE: write addr=0x171 val=0x00
IDE: write addr=0x172 val=0x00
IDE: write addr=0x173 val=0x00
IDE: write addr=0x174 val=0x04
IDE: write addr=0x175 val=0x00
ide: write control addr=0x376 val=08
IDE: write addr=0x177 val=0xa0
ide: CMD=a0
ide: read addr=0x177 val=48
ide: read addr=0x177 val=48
ATAPI limit=0x4 packet: 43 02 00 00 00 00 00 00 04 00 00 00
atapi_cmd_error: sense=0x2 asc=0x3a
ide: read status addr=0x376 val=41
ide: read addr=0x177 val=41
ide: read addr=0x171 val=20
IDE: write addr=0x176 val=0xa0
ide: read addr=0x177 val=41
ide: read addr=0x177 val=41
ide: read addr=0x177 val=41
ide: read addr=0x177 val=41
IDE: write addr=0x171 val=0x00
IDE: write addr=0x172 val=0x00
IDE: write addr=0x173 val=0x00
IDE: write addr=0x174 val=0x12
IDE: write addr=0x175 val=0x00
ide: write control addr=0x376 val=08
IDE: write addr=0x177 val=0xa0
ide: CMD=a0
ide: read addr=0x177 val=49
ide: read addr=0x177 val=49
ATAPI limit=0x12 packet: 03 00 00 00 12 00 00 00 00 00 00 00
reply: tx_size=18 elem_tx_size=0 index=0
byte_count_limit=18
status=0x48
ide: read status addr=0x376 val=48
ide: read addr=0x177 val=48
ide: read addr=0x172 val=02
ide: read addr=0x174 val=12
ide: read addr=0x175 val=00
reply: tx_size=0 elem_tx_size=0 index=18
status=0x40
ide: read status addr=0x376 val=40
ide: read addr=0x177 val=40
ide: read addr=0x172 val=03
ide: read addr=0x174 val=12
ide: read addr=0x175 val=00
IDE: write addr=0x176 val=0xa0
ide: read addr=0x177 val=40
ide: read addr=0x177 val=40
ide: read addr=0x177 val=40
ide: read addr=0x177 val=40
IDE: write addr=0x171 val=0x00
IDE: write addr=0x172 val=0x00
IDE: write addr=0x173 val=0x00
IDE: write addr=0x174 val=0x00
IDE: write addr=0x175 val=0x00
ide: write control addr=0x376 val=08
IDE: write addr=0x177 val=0xa0
ide: CMD=a0
ide: read addr=0x177 val=48
ide: read addr=0x177 val=48
ATAPI limit=0x0 packet: 00 00 00 00 00 00 00 00 00 00 00 00
ide: read status addr=0x376 val=40
ide: read addr=0x177 val=40
ide: read addr=0x172 val=03
ide: read addr=0x174 val=00
ide: read addr=0x175 val=00
IDE: write addr=0x176 val=0xa0
ide: read addr=0x177 val=40
ide: read addr=0x177 val=40
ide: read addr=0x177 val=40
ide: read addr=0x177 val=40
IDE: write addr=0x171 val=0x00
IDE: write addr=0x172 val=0x00
IDE: write addr=0x173 val=0x00
IDE: write addr=0x174 val=0x00
IDE: write addr=0x175 val=0x00
ide: write control addr=0x376 val=08
IDE: write addr=0x177 val=0xa0
ide: CMD=a0
ide: read addr=0x177 val=48
ide: read addr=0x177 val=48
ATAPI limit=0x0 packet: 00 00 00 00 00 00 00 00 00 00 00 00
ide: read status addr=0x376 val=40
ide: read addr=0x177 val=40
ide: read addr=0x172 val=03
ide: read addr=0x174 val=00
ide: read addr=0x175 val=00
IDE: write addr=0x176 val=0xa0
ide: read addr=0x177 val=40
ide: read addr=0x177 val=40
ide: read addr=0x177 val=40
ide: read addr=0x177 val=40
IDE: write addr=0x171 val=0x00
IDE: write addr=0x172 val=0x00
IDE: write addr=0x173 val=0x00
IDE: write addr=0x174 val=0x00
IDE: write addr=0x175 val=0x00
ide: write control addr=0x376 val=08
IDE: write addr=0x177 val=0xa0
ide: CMD=a0
ide: read addr=0x177 val=48
ide: read addr=0x177 val=48
ATAPI limit=0x0 packet: 00 00 00 00 00 00 00 00 00 00 00 00
ide: read status addr=0x376 val=40
ide: read addr=0x177 val=40
ide: read addr=0x172 val=03
ide: read addr=0x174 val=00
ide: read addr=0x175 val=00
IDE: write addr=0x176 val=0xa0
ide: read addr=0x177 val=40
ide: read addr=0x177 val=40
ide: read addr=0x177 val=40
ide: read addr=0x177 val=40
IDE: write addr=0x171 val=0x00
IDE: write addr=0x172 val=0x00
IDE: write addr=0x173 val=0x00
IDE: write addr=0x174 val=0x08
IDE: write addr=0x175 val=0x00
ide: write control addr=0x376 val=08
IDE: write addr=0x177 val=0xa0
ide: CMD=a0
ide: read addr=0x177 val=48
ide: read addr=0x177 val=48
ATAPI limit=0x8 packet: 4a 01 00 00 10 00 00 00 08 00 00 00
atapi_cmd_error: sense=0x5 asc=0x20
ide: read status addr=0x376 val=41
ide: read addr=0x177 val=41
ide: read addr=0x171 val=50
IDE: write addr=0x176 val=0xa0
ide: read addr=0x177 val=41
ide: read addr=0x177 val=41
ide: read addr=0x177 val=41
ide: read addr=0x177 val=41
IDE: write addr=0x171 val=0x00
IDE: write addr=0x172 val=0x00
IDE: write addr=0x173 val=0x00
IDE: write addr=0x174 val=0x12
IDE: write addr=0x175 val=0x00
ide: write control addr=0x376 val=08
IDE: write addr=0x177 val=0xa0
ide: CMD=a0
ide: read addr=0x177 val=49
ide: read addr=0x177 val=49
ATAPI limit=0x12 packet: 03 00 00 00 12 00 00 00 00 00 00 00
reply: tx_size=18 elem_tx_size=0 index=0
byte_count_limit=18
status=0x48
ide: read status addr=0x376 val=48
ide: read addr=0x177 val=48
ide: read addr=0x172 val=02
ide: read addr=0x174 val=12
ide: read addr=0x175 val=00
reply: tx_size=0 elem_tx_size=0 index=18
status=0x40
ide: read status addr=0x376 val=40
ide: read addr=0x177 val=40
ide: read addr=0x172 val=03
ide: read addr=0x174 val=12
ide: read addr=0x175 val=00

(qemu) IDE: write addr=0x176 val=0xa0
...

 booted from iso:

(qemu) IDE: write addr=0x176 val=0xa0
ide: read addr=0x177 val=40
ide: read addr=0x177 val=40
ide: read addr=0x177 val=40
ide: read addr=0x177 val=40
IDE: write addr=0x171 val=0x00
IDE: write addr=0x172 val=0x00
IDE: write addr=0x173 val=0x00
IDE: write addr=0x174 val=0x00
IDE: write addr=0x175 val=0x00
ide: write control addr=0x376 val=08
IDE: write addr=0x177 val=0xa0
ide: CMD=a0
ide: read addr=0x177 val=48
ide: read addr=0x177 val=48
ATAPI limit=0x0 packet: 00 00 00 00 00 00 00 00 00 00 00 00
ide: read status addr=0x376 val=40
ide: read addr=0x177 val=40
ide: read addr=0x172 val=03
ide: read addr=0x174 val=00
ide: read addr=0x175 val=00
IDE: write addr=0x176 val=0xa0
ide: read addr=0x177 val=40
ide: read addr=0x177 val=40
ide: read addr=0x177 val=40
ide: read addr=0x177 val=40
IDE: write addr=0x171 val=0x00
IDE: write addr=0x172 val=0x00
IDE: write addr=0x173 val=0x00
IDE: write addr=0x174 val=0x00
IDE: write addr=0x175 val=0x00
ide: write control addr=0x376 val=08
IDE: write addr=0x177 val=0xa0
ide: CMD=a0
ide: read addr=0x177 val=48
ide: read addr=0x177 val=48
ATAPI limit=0x0 packet: 00 00 00 00 00 00 00 00 00 00 00 00
ide: read status addr=0x376 val=40
ide: read addr=0x177 val=40
ide: read addr=0x172 val=03
ide: read addr=0x174 val=00
ide: read addr=0x175 val=00
IDE: write addr=0x176 val=0xa0
ide: read addr=0x177 val=40
ide: read addr=0x177 val=40
ide: read addr=0x177 val=40
ide: read addr=0x177 val=40
IDE: write addr=0x171 val=0x00
IDE: write addr=0x172 val=0x00
IDE: write addr=0x173 val=0x00
IDE: write addr=0x174 val=0x00
IDE: write addr=0x175 val=0x00
ide: write control addr=0x376 val=08
IDE: write addr=0x177 val=0xa0
ide: CMD=a0
ide: read addr=0x177 val=48
ide: read addr=0x177 val=48
ATAPI limit=0x0 packet: 00 00 00 00 00 00 00 00 00 00 00 00
ide: read status addr=0x376 val=40
ide: read addr=0x177 val=40
ide: read addr=0x172 val=03
ide: read addr=0x174 val=00
ide: read addr=0x175 val=00
IDE: write addr=0x176 val=0xa0
ide: read addr=0x177 val=40
ide: read addr=0x177 val=40
ide: read addr=0x177 val=40
ide: read addr=0x177 val=40
IDE: write addr=0x171 val=0x00
IDE: write addr=0x172 val=0x00
IDE: write addr=0x173 val=0x00
IDE: write addr=0x174 val=0x00
IDE: write addr=0x175 val=0x00
ide: write control addr=0x376 val=08
IDE: write addr=0x177 val=0xa0
ide: CMD=a0
ide: read addr=0x177 val=48
ide: read addr=0x177 val=48
ATAPI limit=0x0 packet: 00 00 00 00 00 00 00 00 00 00 00 00
ide: read status addr=0x376 val=40
ide: read addr=0x177 val=40
ide: read addr=0x172 val=03
ide: read addr=0x174 val=00
ide: read addr=0x175 val=00
IDE: write addr=0x176 val=0xa0
ide: read addr=0x177 val=40
ide: read addr=0x177 val=40
ide: read addr=0x177 val=40
ide: read addr=0x177 val=40
IDE: write addr=0x171 val=0x00
IDE: write addr=0x172 val=0x00
IDE: write addr=0x173 val=0x00
IDE: write addr=0x174 val=0x08
IDE: write addr=0x175 val=0x00
ide: write control addr=0x376 val=08
IDE: write addr=0x177 val=0xa0
ide: CMD=a0
ide: read addr=0x177 val=48
ide: read addr=0x177 val=48
ATAPI limit=0x8 packet: 4a 01 00 00 10 00 00 00 08 00 00 00
atapi_cmd_error: sense=0x5 asc=0x20
ide: read status addr=0x376 val=41
ide: read addr=0x177 val=41
ide: read addr=0x171 val=50
IDE: write addr=0x176 val=0xa0
ide: read addr=0x177 val=41
ide: read addr=0x177 val=41
ide: read addr=0x177 val=41
ide: read addr=0x177 val=41
IDE: write addr=0x171 val=0x00
IDE: write addr=0x172 val=0x00
IDE: write addr=0x173 val=0x00
IDE: write addr=0x174 val=0x12
IDE: write addr=0x175 val=0x00
ide: write control addr=0x376 val=08
IDE: write addr=0x177 val=0xa0
ide: CMD=a0
ide: read addr=0x177 val=49
ide: read addr=0x177 val=49
ATAPI limit=0x12 packet: 03 00 00 00 12 00 00 00 00 00 00 00
reply: tx_size=18 elem_tx_size=0 index=0
byte_count_limit=18
status=0x48
ide: read status addr=0x376 val=48
ide: read addr=0x177 val=48
ide: read addr=0x172 val=02
ide: read addr=0x174 val=12
ide: read addr=0x175 val=00
reply: tx_size=0 elem_tx_size=0 index=18
status=0x40
ide: read status addr=0x376 val=40
ide: read addr=0x177 val=40
ide: read addr=0x172 val=03
ide: read addr=0x174 val=12
ide: read addr=0x175 val=00

(qemu) IDE: write addr=0x176 val=0xa0
...

 diff:

--- vfsbusy-device      Sun Dec 10 00:12:08 2006
+++ vfsbusy-not-iso     Sun Dec 10 00:24:45 2006
@@ -48,246 +48,6 @@
 IDE: write addr=0x171 val=0x00
 IDE: write addr=0x172 val=0x00
 IDE: write addr=0x173 val=0x00
-IDE: write addr=0x174 val=0x08
-IDE: write addr=0x175 val=0x00
-ide: write control addr=0x376 val=08
-IDE: write addr=0x177 val=0xa0
-ide: CMD=a0
-ide: read addr=0x177 val=48
-ide: read addr=0x177 val=48
-ATAPI limit=0x8 packet: 25 00 00 00 00 00 00 00 00 00 00 00
-atapi_cmd_error: sense=0x2 asc=0x3a
-ide: read status addr=0x376 val=41
-ide: read addr=0x177 val=41
-ide: read addr=0x171 val=20
-IDE: write addr=0x176 val=0xa0
-ide: read addr=0x177 val=41
-ide: read addr=0x177 val=41
-ide: read addr=0x177 val=41
-ide: read addr=0x177 val=41
-IDE: write addr=0x171 val=0x00
-IDE: write addr=0x172 val=0x00
-IDE: write addr=0x173 val=0x00
-IDE: write addr=0x174 val=0x12
-IDE: write addr=0x175 val=0x00
-ide: write control addr=0x376 val=08
-IDE: write addr=0x177 val=0xa0
-ide: CMD=a0
-ide: read addr=0x177 val=49
-ide: read addr=0x177 val=49
-ATAPI limit=0x12 packet: 03 00 00 00 12 00 00 00 00 00 00 00
-reply: tx_size=18 elem_tx_size=0 index=0
-byte_count_limit=18
-status=0x48
-ide: read status addr=0x376 val=48
-ide: read addr=0x177 val=48
-ide: read addr=0x172 val=02
-ide: read addr=0x174 val=12
-ide: read addr=0x175 val=00
-reply: tx_size=0 elem_tx_size=0 index=18
-status=0x40
-ide: read status addr=0x376 val=40
-ide: read addr=0x177 val=40
-ide: read addr=0x172 val=03
-ide: read addr=0x174 val=12
-ide: read addr=0x175 val=00
-IDE: write addr=0x176 val=0xa0
-ide: read addr=0x177 val=40
-ide: read addr=0x177 val=40
-ide: read addr=0x177 val=40
-ide: read addr=0x177 val=40
-IDE: write addr=0x171 val=0x00
-IDE: write addr=0x172 val=0x00
-IDE: write addr=0x173 val=0x00
-IDE: write addr=0x174 val=0x04
-IDE: write addr=0x175 val=0x00
-ide: write control addr=0x376 val=08
-IDE: write addr=0x177 val=0xa0status=0x48
-ide: read status addr=0x376 val=48
-ide: read addr=0x177 val=48
-ide: read addr=0x172 val=02
-ide: read addr=0x174 val=12
-ide: read addr=0x175 val=00
-reply: tx_size=0 elem_tx_size=0 index=18
-status=0x40
-ide: read status addr=0x376 val=40
-ide: read addr=0x177 val=40
-ide: read addr=0x172 val=03
-ide: read addr=0x174 val=12
-ide: read addr=0x175 val=00
-IDE: write addr=0x176 val=0xa0
-ide: read addr=0x177 val=40
-ide: read addr=0x177 val=40
-ide: read addr=0x177 val=40
-ide: read addr=0x177 val=40
-IDE: write addr=0x171 val=0x00
-IDE: write addr=0x172 val=0x00
-IDE: write addr=0x173 val=0x00
-IDE: write addr=0x174 val=0x00
-IDE: write addr=0x175 val=0x00
-ide: write control addr=0x376 val=08
-IDE: write addr=0x177 val=0xa0
-ide: CMD=a0
-ide: read addr=0x177 val=48
-ide: read addr=0x177 val=48
-ATAPI limit=0x0 packet: 00 00 00 00 00 00 00 00 00 00 00 00
-ide: read status addr=0x376 val=40
-ide: read addr=0x177 val=40
-ide: read addr=0x172 val=03
-ide: read addr=0x174 val=00
-ide: read addr=0x175 val=00
-IDE: write addr=0x176 val=0xa0
-ide: read addr=0x177 val=40
-ide: read addr=0x177 val=40
-ide: read addr=0x177 val=40
-ide: read addr=0x177 val=40
-IDE: write addr=0x171 val=0x00
-IDE: write addr=0x172 val=0x00
-IDE: write addr=0x173 val=0x00
-IDE: write addr=0x174 val=0x00
-IDE: write addr=0x175 val=0x00
-ide: write control addr=0x376 val=08
-IDE: write addr=0x177 val=0xa0
-ide: CMD=a0
-ide: read addr=0x177 val=48
-ide: read addr=0x177 val=48
-ATAPI limit=0x0 packet: 00 00 00 00 00 00 00 00 00 00 00 00
-ide: read status addr=0x376 val=40
-ide: read addr=0x177 val=40
-ide: read addr=0x172 val=03
-ide: read addr=0x174 val=00
-ide: read addr=0x175 val=00
-IDE: write addr=0x176 val=0xa0
-ide: read addr=0x177 val=40
-ide: read addr=0x177 val=40
-ide: read addr=0x177 val=40
-ide: read addr=0x177 val=40
-IDE: write addr=0x171 val=0x00
-IDE: write addr=0x172 val=0x00
-IDE: write addr=0x173 val=0x00
-IDE: write addr=0x174 val=0x08
-IDE: write addr=0x175 val=0x00
-ide: write control addr=0x376 val=08
-IDE: write addr=0x177 val=0xa0
-ide: CMD=a0
-ide: read addr=0x177 val=48
-ide: read addr=0x177 val=48
-ATAPI limit=0x8 packet: 25 00 00 00 00 00 00 00 00 00 00 00
-atapi_cmd_error: sense=0x2 asc=0x3a
-ide: read status addr=0x376 val=41
-ide: read addr=0x177 val=41
-ide: read addr=0x171 val=20
-IDE: write addr=0x176 val=0xa0
-ide: read addr=0x177 val=41
-ide: read addr=0x177 val=41
-ide: read addr=0x177 val=41
-ide: read addr=0x177 val=41
-IDE: write addr=0x171 val=0x00
-IDE: write addr=0x172 val=0x00
-IDE: write addr=0x173 val=0x00
-IDE: write addr=0x174 val=0x12
-IDE: write addr=0x175 val=0x00
-ide: write control addr=0x376 val=08
-IDE: write addr=0x177 val=0xa0
-ide: CMD=a0
-ide: read addr=0x177 val=49
-ide: read addr=0x177 val=49
-ATAPI limit=0x12 packet: 03 00 00 00 12 00 00 00 00 00 00 00
-reply: tx_size=18 elem_tx_size=0 index=0
-byte_count_limit=18
-status=0x48
-ide: read status addr=0x376 val=48
-ide: read addr=0x177 val=48
-ide: read addr=0x172 val=02
-ide: read addr=0x174 val=12
-ide: read addr=0x175 val=00
-reply: tx_size=0 elem_tx_size=0 index=18
-status=0x40
-ide: read status addr=0x376 val=40
-ide: read addr=0x177 val=40
-ide: read addr=0x172 val=03
-ide: read addr=0x174 val=12
-ide: read addr=0x175 val=00
-IDE: write addr=0x176 val=0xa0
-ide: read addr=0x177 val=40
-ide: read addr=0x177 val=40
-ide: read addr=0x177 val=40
-ide: read addr=0x177 val=40
-IDE: write addr=0x171 val=0x00
-IDE: write addr=0x172 val=0x00
-IDE: write addr=0x173 val=0x00
-IDE: write addr=0x174 val=0x04
-IDE: write addr=0x175 val=0x00
-ide: write control addr=0x376 val=08
-IDE: write addr=0x177 val=0xa0
-ide: CMD=a0
-ide: read addr=0x177 val=48
-ide: read addr=0x177 val=48
-ATAPI limit=0x4 packet: 43 02 00 00 00 00 00 00 04 00 00 00
-atapi_cmd_error: sense=0x2 asc=0x3a
-ide: read status addr=0x376 val=41
-ide: read addr=0x177 val=41
-ide: read addr=0x171 val=20
-IDE: write addr=0x176 val=0xa0
-ide: read addr=0x177 val=41
-ide: read addr=0x177 val=41
-ide: read addr=0x177 val=41
-ide: read addr=0x177 val=41
-IDE: write addr=0x171 val=0x00
-IDE: write addr=0x172 val=0x00
-IDE: write addr=0x173 val=0x00
-IDE: write addr=0x174 val=0x12
-IDE: write addr=0x175 val=0x00
-ide: write control addr=0x376 val=08
-IDE: write addr=0x177 val=0xa0
-ide: CMD=a0
-ide: read addr=0x177 val=49
-ide: read addr=0x177 val=49
-ATAPI limit=0x12 packet: 03 00 00 00 12 00 00 00 00 00 00 00
-reply: tx_size=18 elem_tx_size=0 index=0
-byte_count_limit=18
-status=0x48
-ide: read status addr=0x376 val=48
-ide: read addr=0x177 val=48
-ide: read addr=0x172 val=02
-ide: read addr=0x174 val=12
-ide: read addr=0x175 val=00
-reply: tx_size=0 elem_tx_size=0 index=18
-status=0x40
-ide: read status addr=0x376 val=40
-ide: read addr=0x177 val=40
-ide: read addr=0x172 val=03
-ide: read addr=0x174 val=12
-ide: read addr=0x175 val=00
-IDE: write addr=0x176 val=0xa0
-ide: read addr=0x177 val=40
-ide: read addr=0x177 val=40
-ide: read addr=0x177 val=40
-ide: read addr=0x177 val=40
-IDE: write addr=0x171 val=0x00
-IDE: write addr=0x172 val=0x00
-IDE: write addr=0x173 val=0x00
-IDE: write addr=0x174 val=0x00
-IDE: write addr=0x175 val=0x00
-ide: write control addr=0x376 val=08
-IDE: write addr=0x177 val=0xa0
-ide: CMD=a0
-ide: read addr=0x177 val=48
-ide: read addr=0x177 val=48
-ATAPI limit=0x0 packet: 00 00 00 00 00 00 00 00 00 00 00 00
-ide: read status addr=0x376 val=40
-ide: read addr=0x177 val=40
-ide: read addr=0x172 val=03
-ide: read addr=0x174 val=00
-ide: read addr=0x175 val=00
-IDE: write addr=0x176 val=0xa0
-ide: read addr=0x177 val=40
-ide: read addr=0x177 val=40
-ide: read addr=0x177 val=40
-ide: read addr=0x177 val=40
-IDE: write addr=0x171 val=0x00
-IDE: write addr=0x172 val=0x00
-IDE: write addr=0x173 val=0x00
 IDE: write addr=0x174 val=0x00
 IDE: write addr=0x175 val=0x00
 ide: write control addr=0x376 val=08
@@ -373,6 +133,6 @@
 ide: read addr=0x172 val=03
 ide: read addr=0x174 val=12
 ide: read addr=0x175 val=00
 
 (qemu) IDE: write addr=0x176 val=0xa0
 ...
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[Qemu-devel] Re: qemu 20061102 snapshot: trouble booting directly from cdrom device, Juergen Lock <=
- Re: [Qemu-devel] Re: qemu 20061102 snapshot: trouble booting directly from cdrom device, Ottavio Caruso, 2006/12/10
  - Re: [Qemu-devel] Re: qemu 20061102 snapshot: trouble booting directly from cdrom device, Juergen Lock, 2006/12/10
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