Re: VHD BUG in xen4.0 when install windows2008

[yingbin wang <yingbin.wangyb@gmail.com>]

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I have try xenlinux 2.6.18.8. the problem also appear. os can not startup.

Windows 2008 R2 Standard Edition 64(disk size: 20G, C:\ 15G, D:\ 5G)
on vhdfile, the problem
appear.
does anyone successfully install Windows 2008 R2 Standard Edition 64(disk
size: 20G, C:\ 15G, D:\ 5G) on vhd file??
env : (xen4.0, kernel2.6.31.13) or (xen4.0, kernel2.6.18.8)

Cheers,
wyb
在 2010年5月8日 下午8:46，yingbin wang <yingbin.wangyb@gmail.com>写道：

> thank you for your reply.
>
> as you guest, dom0 kernel: pvops 2.6.31.13
>
> I try what you say.
> menu.lst:
> title Xen 4.0 kernel 2.6.31.13
>         root (hd0,0)
>         kernel /xen.gz dom0_mem=4096M dom0_max_vcpus=1 dom0_vcpus_pin
>         module /vmlinuz-2.6.31.13 ro root=LABEL=/ nomodeset
>         module /initrd-2.6.31.13.img
>
> but the problem also appear, os can't startup.
>  Windows 2008 R2 Standard Edition 64(disk size: 20G, C:\ 15G, D:\ 5G) on
> vhd file, the problem appear.
>
> when I install windows 2008, I meet another problem :
> the dom0 hang up, I reboot the physical machine and found some info from
> /var/log/message:
>
> May  8 20:02:47 SS01 tapdisk2[21997]: Assertion 'list_empty(&vreq->next)' failed, line 1822, file tapdisk-vbd.c
>
> May  8 20:02:47 SS01 kernel: tapdisk2[21997]: segfault at 0 ip 000000000040a24f sp 00007fff162b2d90 error 6 in tapdisk2[400000+39000]
>
> May  8 20:02:47 SS01 kernel: blktap_device_fail_pending_requests: 252:2: failing pending write of 11 pages
>
> May  8 20:02:47 SS01 kernel: end_request: I/O error, dev tapdevc, sector 10485752
>
> May  8 20:02:47 SS01 kernel: Buffer I/O error on device tapdevc, logical block 1310719
> May  8 20:02:47 SS01 kernel: lost page write due to I/O error on tapdevc
>
> May  8 20:02:47 SS01 kernel: Buffer I/O error on device tapdevc, logical block 1310720
> May  8 20:02:47 SS01 kernel: lost page write due to I/O error on tapdevc
>
> May  8 20:02:47 SS01 kernel: Buffer I/O error on device tapdevc, logical block 1310721
> May  8 20:02:47 SS01 kernel: lost page write due to I/O error on tapdevc
>
> I don't know the relation between two problems.I hope it give you more
> info to help me solve the problem.
> I think it may be a bug of the pvops 2.6.31.13. I hope there is a way to
> solve it. could you give some advise?
> I will try xenlinux 2.6.18.8 and report the result.
>
> Cheers,
> wyb
> 2010/5/8 Ian Pratt <Ian.Pratt@eu.citrix.com>
>
>  > Description of problem:
>> > after install Windows 2008 R2 Standard Edition 64(disk size: 20G, C:\
>> 15G,
>> > D:\ 5G) on vhd file (as base image), os can not startup.
>>
>> Which dom0 kernel is this with? I'm guessing one of Jeremy's pvops trees?
>>
>> It might be worth reducing the number of dom0 VCPUs to 1 and repeating the
>> experiment to see if that makes a difference.
>>
>> Thanks,
>> Ian
>>
>>
>> > I found data error in C:\Windows\System32 :
>> > ?--------- ? ?    ?           ?            ? pnpts.dll
>> > ?--------- ? ?    ?           ?            ? pnpui.dll
>> > ?--------- ? ?    ?           ?            ? PnPUnattend.exe
>> > ?--------- ? ?    ?           ?            ? PnPutil.exe
>> >
>> > How reproducible:
>> > I tested 10 times, it appear 10 times that os can not startup.
>> >
>> > Steps to Reproduce:
>> > 1. vhd-util create -n test.vhd -s 20480
>> > 2. xm create test.hvm
>> > 3. install Windows 2008 R2 Standard Edition 64 ( disk size: 20G, C:\
>> 15G,
>> > D:\ 5G ) 4. can not startup 5. xm des test.vhd 6. tapdisk2 -n
>> > vhd:/mnt/img/test.vhd 7. mount -o offset=105906176 -t ntfs
>> > /dev/xen/blktap-2/tapdev0 /mnt/vhd 8. ll /mnt/vhd/Windows/System32 |
>> grep
>> > ?
>> > ?--------- ? ?    ?           ?            ? pnpts.dll
>> > ?--------- ? ?    ?           ?            ? pnpui.dll
>> > ?--------- ? ?    ?           ?            ? PnPUnattend.exe
>> > ?--------- ? ?    ?           ?            ? PnPutil.exe
>> >
>> > Additional info:
>> > I install
>> > Windows 2003 Standard Edition SP1 32(disk size: 50G, C:\50G) on vhd
>> file,
>> > the problem disappear.
>> > Redhat 5.4 AS 64(disk size:60G, /: 50G, swap: 10G) on vhd file, the
>> > problem disappear.
>> > Windows 2008 R2 Standard Edition 64(disk size: 100G, C:\ 100G) on vhd
>> > file, the problem disappear.
>> > Windows 2008 R2 Standard Edition 64(disk size: 100G, C:\ 90G, D:\10G) on
>> > vhd file, the problem disappear.
>> > Windows 2008 R2 Standard Edition 64(disk size: 20G, C:\ 15G, D:\ 5G) on
>> > raw file, the problem disappear.
>> > Windows 2008 R2 Standard Edition 64(disk size: 20G, C:\ 15G, D:\ 5G) on
>> > vhd file, the problem appear.
>> > Windows 2008 R2 Standard Edition 64(disk size: 100G, C:\ 15G, D:\85G) on
>> > vhd file, the problem appear.
>> >
>> > ps:
>> > windows 2003 need 3G disk space.
>> > redhat 5.4 need 4G disk space.
>> > windows 2008 need 8G disk space.
>> > the problem disappear means that os can startup and no data error.
>> >
>> > compile env and filesystem :
>> >  Redhat AS 5.4
>> >
>> > xm info:
>> > host                   : vm01
>> > release                : 2.6.31.13
>> > version                : #1 SMP Wed Apr 21 12:30:21 CST 2010
>> > machine                : x86_64
>> > nr_cpus                : 16
>> > nr_nodes               : 1
>> > cores_per_socket       : 4
>> > threads_per_core       : 2
>> > cpu_mhz                : 2400
>> > hw_caps                :
>> > bfebfbff:28100800:00000000:00001b40:009ce3bd:00000000:00000001:00000000
>> > virt_caps              : hvm
>> > total_memory           : 24539
>> > free_memory            : 1668
>> > node_to_cpu            : node0:0-15
>> > node_to_memory         : node0:1668
>> > node_to_dma32_mem      : node0:82
>> > max_node_id            : 0
>> > xen_major              : 4
>> > xen_minor              : 0
>> > xen_extra              : .0
>> > xen_caps               : xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32
>> > hvm-3.0-x86_32p hvm-3.0-x86_64
>> > xen_scheduler          : credit
>> > xen_pagesize           : 4096
>> > platform_params        : virt_start=0xffff800000000000
>> > xen_changeset          : unavailable
>> > xen_commandline        : dom0_max_vcpus=2 dom0_vcpus_pin
>> > cc_compiler            : gcc version 4.1.2 20080704 (Red Hat 4.1.2-46)
>> > cc_compile_by          : root
>> > cc_compile_domain      : dev.sd.test.com
>> > cc_compile_date        : Mon Apr 26 10:17:37 CST 2010
>> > xend_config_format     : 4
>> >
>>
>
>

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