From mboxrd@z Thu Jan 1 00:00:00 1970 From: yingbin wang Subject: Re: VHD BUG in xen4.0 when install windows2008 Date: Sat, 8 May 2010 20:46:22 +0800 Message-ID: References: <4FA716B1526C7C4DB0375C6DADBC4EA37ACEAA5FE3@LONPMAILBOX01.citrite.net> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0418959692==" Return-path: In-Reply-To: <4FA716B1526C7C4DB0375C6DADBC4EA37ACEAA5FE3@LONPMAILBOX01.citrite.net> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Ian Pratt Cc: "xen-devel@lists.xensource.com" List-Id: xen-devel@lists.xenproject.org --===============0418959692== Content-Type: multipart/alternative; boundary=00504502e53e2a9c6a0486149010 --00504502e53e2a9c6a0486149010 Content-Type: text/plain; charset=ISO-8859-1 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 vhdfile, 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 > > 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 > > > --00504502e53e2a9c6a0486149010 Content-Type: text/html; charset=GB2312 Content-Transfer-Encoding: quoted-printable
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 /x= en.gz dom0_mem=3D4096M dom0_max_vcpus=3D1 dom0_vcpus_pin
  &nb= sp;     module /vmlinuz-2.6.31.13 ro root=3DLABEL=3D/ n= omodeset
        module /initrd-2.6.3= 1.13.img
 
but the problem also appear, os can't startup.
Windows 2008 R2 Standard Edition 64(disk size: 20G, C:\ 15G, D:\ 5G) o= n 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 fr= om /var/log/message:
Ma= y  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 00= 007fff162b2d90 error 6 in tapdisk2[400000+39000]
May=   8 20:02:47 SS01 kernel: blktap_device_fail_= pending_requests: 252:2: failing pending write of&= nbsp;11 pages
May  8 20:02:47 SS01 kernel: end_request:&nbs= p;I/O error, dev tapdevc, sector 10485752
May&n= bsp; 8 20:02:47 SS01 kernel: Buffer I/O = error on device tapdevc, logical block 131071= 9
May  8 20:02:47 SS01 kernel: lost p= age write due to I/O error on tapdevc May  8 20:02:47 SS01 kernel: Buffer I/O&= nbsp;error on device tapdevc, logical block 1= 310720
May  8 20:02:47 SS01 kernel: lost&n= bsp;page write due to I/O error on tapde= vc
May  8 20:02:47 SS01 kernel: Buffer&nbs= p;I/O error on device tapdevc, logical block&= nbsp;1310721
May  8 20:02:47 SS01 kernel: lost page&n= bsp;write due to I/O error on tapdevc<= /div>
 
I don't know the relation between two problems= .I hope it give you more info to help me solve the problem.
I thi= nk it may be a bug of the pvops 2.6.31.13. I hope there is a way to so= lve 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><= br>
> Description of problem:
> after install Window= s 2008 R2 Standard Edition 64(disk size: 20G, C:\ 15G,
> D:\ 5G) on v= hd 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 :<= br>> ?--------- ? ?    ?           ? =            ? pnpts.dll
> ?--------- ? ?=    ?           ?       &= nbsp;    ? pnpui.dll
> ?--------- ? ?    ?  =         ?            ? P= nPUnattend.exe
> ?--------- ? ?    ?           ? &nb= sp;          ? PnPutil.exe
>
> How rep= roducible:
> I tested 10 times, it appear 10 times that os can not st= artup.
>
> Steps to Reproduce:
> 1. vhd-util create -n te= st.vhd -s 20480
> 2. xm create test.hvm
> 3. install Windows 2008 R2 Standard Edit= ion 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 offs= et=3D105906176 -t ntfs
> /dev/xen/blktap-2/tapdev0 /mnt/vhd 8. ll /mnt/vhd/Windows/System32 | g= rep
> ?
> ?--------- ? ?    ?       &n= bsp;   ?            ? pnpts.dll
> = ?--------- ? ?    ?           ?   &= nbsp;        ? pnpui.dll
> ?--------- ? ?   =  ?           ?         &n= bsp;  ? PnPUnattend.exe
> ?--------- ? ?    ?           ? &nb= sp;          ? PnPutil.exe
>
> Additio= nal info:
> I install
> Windows 2003 Standard Edition SP1 32(di= sk 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 s= ize: 100G, C:\ 100G) on vhd
> file, the problem disappear.
> Wi= ndows 2008 R2 Standard Edition 64(disk size: 100G, C:\ 90G, D:\10G) on
> vhd file, the problem disappear.
> Windows 2008 R2 Standard Edit= ion 64(disk size: 20G, C:\ 15G, D:\ 5G) on
> raw file, the problem di= sappear.
> Windows 2008 R2 Standard Edition 64(disk size: 20G, C:\ 15= G, 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 appe= ar.
>
> ps:
> windows 2003 need 3G disk space.
> re= dhat 5.4 need 4G disk space.
> windows 2008 need 8G disk space.
> the problem disappear means t= hat os can startup and no data error.
>
> compile env and files= ystem :
>  Redhat AS 5.4
>
> xm info:
> host &= nbsp;                 : vm01
> release                : 2.6.3= 1.13
> version                = ;: #1 SMP Wed Apr 21 12:30:21 CST 2010
> machine      =          : x86_64
> nr_cpus     &= nbsp;          : 16
> nr_nodes    =           : 1
> cores_per_socket       : 4
> threads_per_core &nb= sp;     : 2
> cpu_mhz           &n= bsp;    : 2400
> hw_caps          =      :
> bfebfbff:28100800:00000000:00001b40:009ce3bd= :00000000:00000001:00000000
> virt_caps              : hvm
>= ; total_memory           : 24539
> free_memo= ry            : 1668
> node_to_cpu &nbs= p;          : node0:0-15
> node_to_memory &n= bsp;       : node0:1668
> node_to_dma32_mem   &nb= sp;  : node0:82
> max_node_id            : 0
> xen_m= ajor              : 4
> xen_minor =              : 0
> xen_extra  = ;            : .0
> xen_caps   &nb= sp;           : 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_p= agesize           : 4096
> platform_params &= nbsp;      : virt_start=3D0xffff800000000000
> xen_cha= ngeset          : unavailable
> xen_commandl= ine        : dom0_max_vcpus=3D2 dom0_vcpus_pin
> cc_compiler            : gcc version 4.1= .2 20080704 (Red Hat 4.1.2-46)
> cc_compile_by       &= nbsp;  : 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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