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From: Roy Tam <roytam@gmail.com>
Date: Tue, 23 Feb 2010 14:09:25 +0800
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Subject: [Qemu-devel] Re: Regression: DOSPlus 1.2-je5 doesn't boot correctly
	since QEMU-0.6.1
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To: qemu-devel <qemu-devel@nongnu.org>

2010/2/23 Roy Tam <roytam@gmail.com>:
> 2010/2/23 Roy Tam <roytam@gmail.com>:
>> Hi all,
>>
>> This is an very old regression that DOSPlus 1.2-je5 boots in QEMU
>> 0.5~0.6.0, and 0.6.1 breaks booting DOSPlus 1.2-je5 till now.
>>
>> Floppy Disk Image:
>> http://roy.reactos.me:9088/files/dp12je5.zip
>>
>
> OK r1049 breaks booting DOSPlus. Is it really fix the serial interrupt issue?
> http://git.savannah.gnu.org/cgit/qemu.git/commit/?id=60e336dbb837ef4d5053433f9ee391feb102be36
>

Comment out "s->thr_ipending = 1;" in "if (s->lsr & UART_LSR_THRE)"
seems fix this issue.