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From: 陳韋任 <chenwj@iis.sinica.edu.tw>
To: Max Filippov <jcmvbkbc@gmail.com>
Cc: "Peter Maydell" <peter.maydell@linaro.org>,
	qemu-devel@nongnu.org, 陳韋任 <chenwj@iis.sinica.edu.tw>
Subject: Re: [Qemu-devel] Improve QEMU performance with LLVM codegen and other techniques
Date: Thu, 1 Dec 2011 17:25:03 +0800	[thread overview]
Message-ID: <20111201092503.GA24603@cs.nctu.edu.tw> (raw)
In-Reply-To: <CAMo8BfLBsOqnS+3RLBPP_M448ujeTHENDtss1rmQJQWMi_bitA@mail.gmail.com>

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Hi, Max

On Thu, Dec 01, 2011 at 12:15:06PM +0300, Max Filippov wrote:
> > 瓱isgenerated code might not be an issue now since we have tested our framework
> > in LLVM-only mode. I think the problem still is about the link/unlink stuff.
> > The first problem I have while lowering the threshold is the broken one generate
> > a few traces (2, actually) that a work one doesn't. When boot the linux image
> > downloaded from the QEMU website, the system hangs on the booting process (see
> > attach if you're interested). Simply put, the system hangs after printing
> 
> There's no attachment in this mail. I can try to help you resolving it
> if you provide more information.

  Sorry about that, see the attachment please. What kind of information you want
to know?
 
> > ?..TIMER: vector=0x31 apic1=0 pin1=2 apic2=-1 pin2=-1
> >
> > which turns out should be function check_timer (arch/i386/kernel/io_apic.c). I
> 
> If it hangs inside QEMU itself then you may try to backport commit
> 4f61927a41a098d06e642ffdea5fc285dc3a0e6b that fixes
> infinite loop caused by hpet interrupt probing.

  I don't understand. What "it hangs inside QEMU itself" supposed to mean?

  Thanks!

Regards,
chenwj

-- 
Wei-Ren Chen (陳韋任)
Computer Systems Lab, Institute of Information Science,
Academia Sinica, Taiwan (R.O.C.)
Tel:886-2-2788-3799 #1667
Homepage: http://people.cs.nctu.edu.tw/~chenwj

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  reply	other threads:[~2011-12-01  9:25 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-11-29  7:03 [Qemu-devel] Improve QEMU performance with LLVM codegen and other techniques 陳韋任
2011-11-30 12:37 ` Alexander Graf
2011-12-01  3:50   ` 陳韋任
2011-12-01  7:46     ` Stefan Hajnoczi
2011-12-01  9:16       ` Alex Bradbury
2011-12-01  9:30       ` 陳韋任
2011-12-01 10:23     ` Alexander Graf
2011-12-04  6:14       ` 陳韋任
2011-12-04 11:29         ` Alexander Graf
2011-12-05  6:05           ` 陳韋任
2011-12-01 10:59     ` Peter Maydell
2011-12-06  7:39   ` 陳韋任
2011-12-19 17:44     ` Alexander Graf
2011-11-30 12:51 ` Peter Maydell
2011-12-01  9:03   ` 陳韋任
2011-12-01  9:13     ` 陳韋任
2011-12-01  9:15     ` Max Filippov
2011-12-01  9:25       ` 陳韋任 [this message]
2011-12-01  9:41         ` Max Filippov
2011-12-06  6:37           ` 陳韋任
2011-12-01 10:12     ` Peter Maydell
2011-12-01 10:40       ` 陳韋任

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