From: Stefan Hajnoczi <stefanha@gmail.com>
To: "Gonglei (Arei)" <arei.gonglei@huawei.com>
Cc: "Zhangbo (Oscar)" <oscar.zhangbo@huawei.com>,
Yanqiangjun <yanqiangjun@huawei.com>,
Luonengjun <luonengjun@huawei.com>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
"xen-devel@lists.xen.org" <xen-devel@lists.xen.org>,
"Huangweidong (Hardware)" <huangweidong@huawei.com>
Subject: Re: [Qemu-devel] Qemu crashed while unpluging IDE disk
Date: Mon, 10 Jun 2013 10:36:16 +0200 [thread overview]
Message-ID: <20130610083616.GA5308@stefanha-thinkpad.redhat.com> (raw)
In-Reply-To: <33183CC9F5247A488A2544077AF190206C901DDC@szxeml538-mbx.china.huawei.com>
On Fri, Jun 07, 2013 at 02:31:00PM +0000, Gonglei (Arei) wrote:
> While starting a Fedora_14 guest, we came across a segfault of qemu:
>
> the logs in /var/log/messages are:
> Jun 1 02:38:56 NC587 kernel: [403549.565754] show_signal_msg: 136 callbacks suppressed
> Jun 1 02:38:56 NC587 kernel: [403549.565758] qemu-system-i38[25840]: segfault at 28 ip 0000000000418d91 sp 00007fe02aef4f00 error 4 in qemu-system-i386[400000+350000]
>
> the very segfault refers to the code:
> /*
> * Handle a read request in coroutine context
> */
> static int coroutine_fn bdrv_co_do_readv(BlockDriverState *bs,
> int64_t sector_num, int nb_sectors, QEMUIOVector *qiov,
> BdrvRequestFlags flags)
> {
> BlockDriver *drv = bs->drv; //The segfault occurs when bs equals to NULL.
> BdrvTrackedRequest req;
> int ret;
>
>
> NOTE: we are running on a XEN hypervisor with qemu 1.2.0
Can you try qemu.git/master?
Stefan
prev parent reply other threads:[~2013-06-10 8:36 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-07 14:31 [Qemu-devel] Qemu crashed while unpluging IDE disk Gonglei (Arei)
2013-06-10 8:36 ` Stefan Hajnoczi [this message]
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