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From: Michael Tokarev <mjt@tls.msk.ru>
To: "longguang.yue" <kvmluck@163.com>,
	qemu-devel <qemu-devel@nongnu.org>,
	linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: LTP test related to virtio releasing and reassigning resource leads to guest hung
Date: Thu, 10 Aug 2023 12:08:36 +0300	[thread overview]
Message-ID: <38e69323-0185-32bb-2de1-8e5b36de2abc@tls.msk.ru> (raw)
In-Reply-To: <461df15f.15e2d.189deaa6eed.Coremail.kvmluck@163.com>

10.08.2023 11:57, longguang.yue wrote:
> Hi, all:
> A ltp test leads to guest hung(io hung), the test releases virtio device resource and then reassign.
> I find device’s mem prefetchable resource 64-bit is changed.
> 
> ltp 
> test: https://github.com/linux-test-project/ltp/blob/522d7fba4afc84e07b252aa4cd91b241e81d6613/testcases/kernel/device-drivers/pci/tpci_kernel/ltp_tpci.c#L428
> 
> Do you know what cause the problem?
> 
> Thanks very much.
> 
> --------------------------
> ENV: kernel 5.10.0, qemu 6.2

Current qemu is 8.1 (well, almost, to be released this month;
previous release is 8.0 anyway).

This might be interesting to test in a current version before
going any further.

Thanks,

/mjt

       reply	other threads:[~2023-08-10  9:19 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <461df15f.15e2d.189deaa6eed.Coremail.kvmluck@163.com>
2023-08-10  9:08 ` Michael Tokarev [this message]
     [not found]   ` <3c1a93da.16493.189df040e16.Coremail.kvmluck@163.com>
2023-08-10 14:13     ` Stefan Hajnoczi
2023-08-10 15:24       ` Stefan Hajnoczi
     [not found]         ` <1c616fdb.17b27.189e26afed5.Coremail.kvmluck@163.com>
2023-08-15 15:18           ` Stefan Hajnoczi

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