Sorry, Forget to reply also to list...
---------- Forwarded message ---------- From: Marcio Scheibler <[EMAIL PROTECTED]> Date: 16/05/2005 09:49 Subject: Re: [uml-user] six UBD devices barrier at startup ?? To: Blaisorblade <[EMAIL PROTECTED]> Hi, I use host logical volumes (LVM) as UBD devices in UML. UML's user at host owns volumes nodes at host's /dev. I'd like to stress that once running and after I add ubd6 with uml_mconsole, it becomes available to UML. Information follows below... 2005/5/13, Blaisorblade <[EMAIL PROTECTED]>: > On Thursday 12 May 2005 19:09, Marcio Scheibler wrote: > > Hi, > > > > I've been using UML for some months with good results. > > > > Now, I'm in trouble trying to start UML with seven UBD > > devices... It recognizes just first six (ubda through ubdf) > > regardless their order in command-line (even with > > udb6s before ubd5s for instance). > Well, ubd6 is the 7th block device, since you start from 0. > What do you mean by "in trouble"? Can you supply the command line (including > any typo, please) and the output you get, and what shows that you are in > trouble? And a "ls -l" on the files you need to access? Kernel command line: uml_dir=/var/run/uml mem=128m devfs=nomount con0=null,fd:1 con=pts root=/dev/ubda initrd=/var/local/initrd/uml-jfs-2.6.10.initrd ramdisk_size=16384 ubd0s=/dev/vg01/uml01_fs_root ubd1s=/dev/vg01/uml01_fs_var ubd2s=/dev/vg01/uml01_fs_usr ubd3s=/dev/vg01/uml01_fs_home ubd4s=/dev/vg01/uml01_sw_00 ubd5s=/dev/vg01/uml01_fs_varlocal udb6s=/dev/vg01/uml01_fs_tmp eth0=tuntap,tap2,,192.168.33.122 More pieces from dmesg: Initializing software serial port version 1 elevator: using anticipatory as default io scheduler /dev/ubd/disc0: unknown partition table /dev/ubd/disc1: unknown partition table /dev/ubd/disc2: unknown partition table /dev/ubd/disc3: unknown partition table /dev/ubd/disc4: unknown partition table /dev/ubd/disc5: unknown partition table Initializing stdio console driver RAMDISK: cramfs filesystem found at block 0 RAMDISK: Loading 1624KiB [1 disk] into ram disk... done. VFS: Mounted root (cramfs filesystem) readonly. kjournald starting. Commit interval 5 seconds EXT3-fs: mounted filesystem with ordered data mode. Adding 262136k swap on /dev/ubde. Priority:-1 extents:1 EXT3 FS on ubda, internal journal NET: Registered protocol family 10 Disabled Privacy Extensions on device a01ecac0(lo) IPv6 over IPv4 tunneling driver eth0: no IPv6 routers present Listing permissions: ... [EMAIL PROTECTED]:~$ ls -l /dev/vg01/uml01* lrwxrwxrwx 1 root root 31 May 11 11:43 /dev/vg01/uml01_fs_home -> /dev/mapper/vg01-uml01_fs_home lrwxrwxrwx 1 root root 31 May 11 11:43 /dev/vg01/uml01_fs_root -> /dev/mapper/vg01-uml01_fs_root lrwxrwxrwx 1 root root 30 May 11 11:43 /dev/vg01/uml01_fs_tmp -> /dev/mapper/vg01-uml01_fs_tmp lrwxrwxrwx 1 root root 30 May 11 11:43 /dev/vg01/uml01_fs_usr -> /dev/mapper/vg01-uml01_fs_usr lrwxrwxrwx 1 root root 30 May 11 11:43 /dev/vg01/uml01_fs_var -> /dev/mapper/vg01-uml01_fs_var lrwxrwxrwx 1 root root 35 May 11 11:43 /dev/vg01/uml01_fs_varlocal -> /dev/mapper/vg01-uml01_fs_varlocal lrwxrwxrwx 1 root root 29 May 11 11:43 /dev/vg01/uml01_sw_00 -> /dev/mapper/vg01-uml01_sw_00 brw------- 1 uml01 root 254, 10 May 11 10:12 /dev/mapper/vg01-uml01_fs_home brw------- 1 uml01 root 254, 6 May 11 10:12 /dev/mapper/vg01-uml01_fs_root brw------- 1 uml01 root 254, 8 May 11 10:12 /dev/mapper/vg01-uml01_fs_tmp brw------- 1 uml01 root 254, 7 May 11 10:12 /dev/mapper/vg01-uml01_fs_usr brw------- 1 uml01 root 254, 9 May 11 10:12 /dev/mapper/vg01-uml01_fs_var brw------- 1 uml01 root 254, 11 May 11 10:12 /dev/mapper/vg01-uml01_fs_varlocal brw------- 1 uml01 root 254, 12 May 11 10:12 /dev/mapper/vg01-uml01_sw_00 ... > > Docs and "linux --help" say it accepts up to > > eight UBD devices. > > Is it a undocummented restriction ? > No, it always worked. > > Host kernel: 2.6.10-skas3v7 > > UML kernel: 2.6.10 > > > Thanks in advance. > And it works here: > > ./vmlinux-2.6.11.8-bs5 ubd0=Sarge.rootfs ubd7=Sarge.swapfs > ubd1=debian30r2.rootfs ubd2=woody.roo > tfs ubd3=slack10.rootfs ubd4=slack90.rootfs ubd5=toms.rootfs > ubd6=slack90.swapfs > > From the output: > ubda: unknown partition table > ubdb: unknown partition table > ubdc: unknown partition table > ubdd: unknown partition table > ubde: unknown partition table > ubdf: unknown partition table > ubdg: unknown partition table > ubdh: unknown partition table > > And I've tested that it actually works (i.e. the UBD devices are accessible). > -- > Paolo Giarrusso, aka Blaisorblade > Skype user "PaoloGiarrusso" > Linux registered user n. 292729 > http://www.user-mode-linux.org/~blaisorblade > > -- ------------------------------------------------- Marcio Scheibler -- ------------------------------------------------- Marcio Scheibler ------------------------------------------------------- This SF.Net email is sponsored by Oracle Space Sweepstakes Want to be the first software developer in space? 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