From mboxrd@z Thu Jan 1 00:00:00 1970 From: David F Barrera Subject: Re: x86_64 - Unable to boot DomU Date: Tue, 23 Aug 2005 08:40:03 -0500 Message-ID: <430B2733.7000800@us.ibm.com> References: <4309D166.8090008@us.ibm.com> <430A3C22.3040105@ttg-edam.nl> <430A4229.2010309@us.ibm.com> <430A4F0D.905@ttg-edam.nl> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <430A4F0D.905@ttg-edam.nl> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org I tested again this morning (8/23) using the following changeset, with the same results: changeset: 6328:b0d820178b8109f2d081e50920aac2c6b8273af6 tag: tip user: kaf24@firebug.cl.cam.ac.uk date: Tue Aug 23 04:49:12 2005 summary: This patch extends I/O APIC guest writes so that the correct destination Bugzilla # 176. (http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=176) This is what is displayed on the serial console from the time that Dom0 comes up until I tried to create DomU. EXT3-fs: mounted filesystem with ordered data mode. store_evtchn = 14 XENBUS xs_read_watch: 0 (XEN) (file=traps.c, line=878) Non-priv domain attempted RDMSR(00000000c0000080,00020000,00020000). (XEN) (file=traps.c, line=870) Non-priv domain attempted WRMSR(00000000c0000100,00000000,00000000). (XEN) (file=traps.c, line=870) Non-priv domain attempted WRMSR(00000000c0000102,00000000,00000000). (XEN) (file=traps.c, line=878) Non-priv domain attempted RDMSR(00000000c0000080,00000000,00000000). stop_this_cpu disable_local_APIC (XEN) (file=grant_table.c, line=526) Bad handle (0). (XEN) (file=grant_table.c, line=1071) Grant unref rd(1) ld(0) frm(d4a2) flgs(0). This is the entire domU boot log: Started domain vm1 Linux version 2.6.12-xenU (root@bl2-10.ltc.austin.ibm.com ) (gcc version 4.0.0 20050405 (Red Hat 4.0.0-0.40)) #1 SMP Tue Aug 23 08:23:02 CDT 2005 kernel direct mapping tables upto ffff880020000000 @ 800000-902000 Allocating PCI resources starting at 20000000 (gap: 20000000:e0000000) Built 1 zonelists Kernel command line: root=/dev/sdb2 ro Initializing CPU#0 PID hash table entries: 4096 (order: 12, 131072 bytes) Xen reported: 3600.120 MHz processor. Dentry cache hash table entries: 131072 (order: 8, 1048576 bytes) Inode-cache hash table entries: 65536 (order: 7, 524288 bytes) Memory: 504576k/524288k available (1574k kernel code, 9172k reserved, 528k data, 136k init) Mount-cache hash table entries: 256 CPU: Trace cache: 12K uops, L1 D cache: 16K CPU: L2 cache: 1024K CPU: Physical Processor ID: 3 Brought up 1 CPUs WARNING: 1 siblings found for CPU0, should be 2 NET: Registered protocol family 16 xen_mem: Initialising balloon driver. Grant table initialized IA32 emulation $Id: sys_ia32.c,v 1.32 2002/03/24 13:02:28 ak Exp $ audit: initializing netlink socket (disabled) audit(1124805941.510:0): initialized VFS: Disk quotas dquot_6.5.1 Dquot-cache hash table entries: 512 (order 0, 4096 bytes) Initializing Cryptographic API io scheduler noop registered io scheduler anticipatory registered io scheduler deadline registered io scheduler cfq registered RAMDISK driver initialized: 16 RAM disks of 16384K size 1024 blocksize Xen virtual console successfully installed as tty1 Event-channel device installed. xen_blk: Initialising virtual block device driver xen_blk: Timeout connecting to device! Netdev frontend (TX) is using grant tables. Netdev frontend (RX) is using grant tables. xen_net: Initialising virtual ethernet driver. ���Bmd: md driver 0.90.1 MAX_MD_DEVS=256, MD_SB_DISKS=27 NET: Registered protocol family 2 IP: routing cache hash table of 2048 buckets, 32Kbytes TCP established hash table entries: 131072 (order: 9, 2097152 bytes) TCP bind hash table entries: 65536 (order: 8, 1048576 bytes) TCP: Hash tables configured (established 131072 bind 65536) Initializing IPsec netlink socket NET: Registered protocol family 1 NET: Registered protocol family 17 md: Autodetecting RAID arrays. md: autorun ... md: ... autorun DONE. VFS: Cannot open root device "sdb2" or unknown-block(0,0) Please append a correct "root=" boot option Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) Robin van Leeuwen wrote: > To make the story more complete: > > during the DomU boot it hangs for a while on: > > Blkif frontend is using grant tables. > xen_blk: Initialising virtual block device driver > > And then spits out: > > xen_blk: Timeout connecting to device! > > > David F Barrera wrote: > >> So, I am not the only one, then. Thanks for your reply. >> >> David >> >> Robin van Leeuwen wrote: >> >>> I have the same here after last pull >>> >>> VFS: Cannot open root device "hda1" or unknown-block(0,0) >>> >>> only my hda1 maps to a ext3 on a lvm device... >>> >>> [Debian unstable/testing, last pull 22-08-05 18:00] >>> >>> >>> David F Barrera wrote: >>> >>>> I've built Xen with the latest hg source pull, and I am not able to >>>> boot domU on my x86_64 boxes using configurations and setups that >>>> have previously worked. Has something changed since late last week >>>> that would require a change in my domU configuration file? >>>> >>>> When creating DomU, I get the following error message: >>>> >>>> VFS: Cannot open root device "sdb2" or unknown-block(0,0) >>>> Please append a correct "root=" boot option >>>> Kernel panic - not syncing: VFS: Unable to mount root fs on >>>> unknown-block(0,0) >>>> >>>> The file system for DomU is ext3, and I've made sure that it is >>>> built in xenU kernel. >>>> >>>> This are the xm dmesg lines displayed when error occurs: >>>> >>>> (XEN) (file=grant_table.c, line=1071) Grant unref rd(5) ld(0) >>>> frm(d485) flgs(0). >>>> (XEN) (file=traps.c, line=878) Non-priv domain attempted >>>> RDMSR(00000000c0000080,00020000,00020000). >>>> (XEN) (file=traps.c, line=870) Non-priv domain attempted >>>> WRMSR(00000000c0000100,00000000,00000000). >>>> (XEN) (file=traps.c, line=870) Non-priv domain attempted >>>> WRMSR(00000000c0000102,00000000,00000000). >>>> (XEN) (file=traps.c, line=878) Non-priv domain attempted >>>> RDMSR(00000000c0000080,00000000,00000000). >>>> stop_this_cpu disable_local_apic >>>> >>>> This is the domU configuration file: >>>> >>>> # Kernel image file. >>>> kernel = "/boot/vmlinuz-2.6-xenU" >>>> # Optional ramdisk. >>>> # ramdisk = "/boot/initrd-2.6.11.12-xenU" >>>> # The domain build function. Default is 'linux'. >>>> builder='linux' >>>> # Initial memory allocation (in megabytes) for the new domain. >>>> # memory = 256 >>>> memory = 512 >>>> # A name for your domain. All domains must have different names. >>>> name = "vm1" >>>> disk = [ 'phy:sdb1,0811,w','phy:sdb2,0812,w' ] >>>> # Set if you want dhcp to allocate the IP address. >>>> # vif = [ 'mac= AA:00:00:47:CB:34, bridge=xen-br0' ] >>>> # Set if you want dhcp to allocate the IP address. >>>> #dhcp="dhcp" >>>> # Set netmask. >>>> #netmask = '255.255.255.0' >>>> # Set default gateway. >>>> # gateway = '9.53.94.0' >>>> # Set the hostname. >>>> # hostname= "vm%d" % vmid >>>> >>>> >>>> # Set root device. >>>> root = "/dev/sdb2 ro" >>>> # Sets runlevel 4. >>>> # extra = "4" >>>> #============== >>>> >>>> David F Barrera >>>> >>>> >>>> _______________________________________________ >>>> Xen-devel mailing list >>>> Xen-devel@lists.xensource.com >>>> http://lists.xensource.com/xen-devel >>> >>> >>> >>> >>> >>> >> > > > _______________________________________________ > Xen-devel mailing list > Xen-devel@lists.xensource.com > http://lists.xensource.com/xen-devel >