[Xen-devel] Re: unpredictable Xen crash w NetBSD 5.0.2(XEN3PAE_DOMU)

[彧 <sukinull@xxxxxxxxx>]

Sorry for my English.
Let me explain more detail what I would like to do.
Here is my setup.

1. One Linux box(D0) acts as dom0 with Xen4.0

2. One NetBSD 5.0.2(Du502) act as domU on D0
2.1 pkg_add aoe-vblade in Du502 and run as an AoE target[1,2], AoE is
similar to iSCSI
2.2 ex: vblade 1 1 xennet0 /TEST.img

3. Another Linux box(C1) issues read/write requests with dd
3.1. the /dev/etherd/e?.?[3] is AoE target block device which is
exported by Du502 and
       is showed under C1's /dev/etherd path
3.2 ex: modprobe aoe # ls /dev/etherd will find /dev/etherd/e1.1
           for i in {1..65535}; dd if=/dev/zero of=/dev/etherd/e1.1 bs=4K; done

4. wait for 20~40mins, D0 reboot without any warning.
  dd of=/dev/zero if=/dev/etherd/e1.1

And Yes, I tried
ftp://ftp.netbsd.org/pub/NetBSD/NetBSD-5.1_RC4/i386/binary/kernel/netbsd-XEN3PAE_DOMU.gz
I'll try 
ftp://ftp.netbsd.org/pub/NetBSD/NetBSD-4.0.1/i386/binary/kernel/netbsd-XEN3_DOMU.gz
netbsd-current and Xen 3.4.2 later, but it would take a little time
And I try figure out how to remote debug netbsd kernel.(Is it possible?)

Angelo Liaw
--
*1 http://pkgsrc.se/net/aoe-vblade
*2 https://help.ubuntu.com/community/ATAOverEthernet  Section "#To
create an AoE device"
*3 https://help.ubuntu.com/community/ATAOverEthernet  Section "#Using AoE"


2010/9/25 Manuel Bouyer <bouyer@xxxxxxxxxxxxxxx>:
> On Sat, Sep 25, 2010 at 01:24:32PM +0800, ? wrote:
>> Dear all:
>>
>> I'm sorry I crossmail.
>>
>> I try setup aoe-vblade server on netbsd 5.0.2(domU)
>> and I try to do some stress test with
>> for i in {65536}; do dd if=/dev/zero of=/dev/etherd/e?.? bs=4K;done
>> on a Linux box
>> Two Xen dom0 configurations I use:
>> 1. 32bits SuSE Enterprise Linux 11sp1 2.6.32.12-0.7-xen with 32bits
>> Xen 4.0.0_21091_04-0.2.6
>> 2. 64bits Gentoo 2.6.32-xen-r1 with 64bits Xen 4.0.0
>> The NIC is RTL-8169 on board
>
> Sorry, but I don't understand what your're trying to do.
> What is /dev/etherd/e?.? ? how does it relate to the NetBSD domU ?
>
> BTW, any chance to try NetBSD 5.1_RC4 instead of 5.0.2 ?
>
> --
> Manuel Bouyer <bouyer@xxxxxxxxxxxxxxx>
>     NetBSD: 26 ans d'experience feront toujours la difference
> --
>

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