Hi, There is a an issue with recent Ubuntu filesystems when used with UML, they don't seem to start a console. I've tried removing plymouth, adding tty0 entries, etc (anyone with a suggestion on how to fix this would be most welcome) Try another filesystem and it should be fine.
Cheers Antoine On 07/07/11 05:22, Troy Piggins wrote: > I'm trying to get a UML virtual machine running on a ReadyNAS Ultra 4. I was > trying VirtualBox for the VM, but can't seem to get that running either. > > Looking at the UML homepage http://user-mode-linux.sourceforge.net/ they say > it's as simple to get going as download the kernel, download a filesystem, and > simply run "./kernel ubda=filesystem" > > Anyone here with UML experience? Actually it may not just be a UML issue, but > more my understanding of TTY/PTY/PTS terminals/consoles etc. I'll continue... > > The RNAS box is a x86_64 processor. The kernel I downloaded was > kernel32-2.6.39.2 for 32 bit i386, and the filesystem was > Ubuntu-LucidLynx-i386-root_fs. I did also download 64 bit kernel and > filesystem, but the FS one was for AMD64. Got them from > http://uml.devloop.org.uk/index.html and http://fs.devloop.org.uk/ > > Below is an extract of the output, I can provide full if that'll help. I'm > shelling into the NAS via ssh and then opening a screen session. "tty" in one > of the screen windows is /dev/pts/1 etc. After that last line nothing else is > displayed, and I have to killall the process > > I'm not sure where to go from here. Searching around google the only time > similar question has come up, it's unanswered. > > Any suggestions? > > # ./kernel32-2.6.39.2 ubda=./Ubuntu-LucidLynx-i386-root_fs > Locating the bottom of the address space ... 0x0 > Locating the top of the address space ... Checking that ptrace can change > syste > m call numbers...0xffffd000 > Core dump limits : > soft - 0 > hard - NONE > OK > Checking syscall emulation patch for ptrace...0xffffd000 > Core dump limits : > soft - 0 > hard - NONE > OK > > <snip /> > > [ 0.220000] console [mc-1] enabled > [ 0.220000] ubda: unknown partition table > [ 0.270000] EXT3-fs: barriers not enabled > [ 0.270000] kjournald starting. Commit interval 5 seconds > [ 0.270000] EXT3-fs (ubda): mounted filesystem with writeback data mode > [ 0.270000] VFS: Mounted root (ext3 filesystem) readonly on device 98:0. > init: ureadahead main process (957) terminated with status 5MM > [ 1.260000] getmaster - no usable host pty devices > [ 1.260000] Failed to open console 7, err = -2 > [ 2.030000] getmaster - no usable host pty devices > [ 2.030000] Failed to open console 1, err = -2 > [ 2.030000] getmaster - no usable host pty devices > [ 2.030000] Failed to open console 1, err = -2 > [ 2.030000] getmaster - no usable host pty devices > > <snip /> > > [ 2.030000] Failed to open console 12, err = -2 > [ 2.030000] getmaster - no usable host pty devices > [ 2.030000] Failed to open console 12, err = -2 > [ 2.030000] getmaster - no usable host pty devices > [ 2.030000] Failed to open console 12, err = -2 > init: console-setup main process (978) terminated with status 1MM > init: procps main process (979) terminated with status 255MM > udevd[985]: failed to create queue file: No such file or directoryM > MM > udevd[985]: error creating queue fileM > MM > init: udev main process (985) terminated with status 1MM > init: udev main process ended, respawningMM > init: udevmonitor main process (987) terminated with status 2MM > udevadm[1653]: error sending message: Connection refusedM > MM > [ 3.710000] getmaster - no usable host pty devices > [ 3.710000] Failed to open console 7, err = -2 > [ 3.730000] getmaster - no usable host pty devices > [ 3.730000] Failed to open console 1, err = -2 > mountall: Disconnected from PlymouthM > init: plymouth main process (958) killed by SEGV signalMM > init: plymouth-splash main process (1654) terminated with status 2MM > > ------------------------------------------------------------------------------ > All of the data generated in your IT infrastructure is seriously valuable. > Why? It contains a definitive record of application performance, security > threats, fraudulent activity, and more. Splunk takes this data and makes > sense of it. IT sense. And common sense. > http://p.sf.net/sfu/splunk-d2d-c2 > _______________________________________________ > User-mode-linux-user mailing list > User-mode-linux-user@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/user-mode-linux-user ------------------------------------------------------------------------------ All of the data generated in your IT infrastructure is seriously valuable. Why? It contains a definitive record of application performance, security threats, fraudulent activity, and more. Splunk takes this data and makes sense of it. IT sense. And common sense. http://p.sf.net/sfu/splunk-d2d-c2 _______________________________________________ User-mode-linux-user mailing list User-mode-linux-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-user
