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[Qemu-devel] [Bug 588748] Re: QEMU fails to boot DR DOS Plus since 0.6.1
From: |
Roy Tam |
Subject: |
[Qemu-devel] [Bug 588748] Re: QEMU fails to boot DR DOS Plus since 0.6.1 |
Date: |
Fri, 04 Jun 2010 01:09:51 -0000 |
> Can you add some debugging to see what IER is being set to?
With DEBUG_SERIAL defined, serial logs:
serial: event 2
serial: write addr=0x01 val=0x02
serial: read addr=0x01 val=0x02
serial: read addr=0x02 val=0x02
serial: write addr=0x01 val=0x00
serial: write addr=0x03 val=0x80
serial: write addr=0x00 val=0x0c
serial: write addr=0x01 val=0x00
serial: write addr=0x03 val=0x03
serial: write addr=0x04 val=0x0b
serial: read addr=0x05 val=0x60
serial: read addr=0x06 val=0xb0
serial: read addr=0x00 val=0x00
serial: write addr=0x01 val=0x0f
serial: read addr=0x02 val=0x02
serial: read addr=0x02 val=0x01
(stalls here)
--
QEMU fails to boot DR DOS Plus since 0.6.1
https://bugs.launchpad.net/bugs/588748
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Status in QEMU: In Progress
Bug description:
The commit in r1049 (serial interrupt fix (Hampa Hug)) prevents booting Digital
Research DOS Plus.
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