From: Etay M. <eta...@gm...> - 2005-09-30 11:12:48
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Thanks for your response. I tried running it with a simple: ./vmlinux ubd0=3Droot_fs.2005062201 and now it says: [42949373.420000] Console initialized on /dev/tty0 [42949373.420000] ubda: unknown partition table [42949373.420000] kjournald starting. Commit interval 5 seconds [42949373.420000] EXT3-fs: mounted filesystem with ordered data mode. [42949373.420000] VFS: Mounted root (ext3 filesystem) readonly. [42949373.420000] Warning: unable to open an initial console. [42949373.420000] Kernel panic - not syncing: Attempted to kill init! Looks like it mounted the root file system but has a problem opening a console. Maybe I'm missing some console related option in the kernel config? Thanks, -Etay On 9/30/05, Blaisorblade <bla...@ya...> wrote: > > On Friday 30 September 2005 12:51, Etay Meiri wrote: > > Hi, > > > > I downloaded a root file system from: > > http://www.stearns.org/uml-root/root_fs.fc-4-base.pristine.20050622.bz2 > > and followed the instructions in > > http://www.stearns.org/uml-root/root_fs.fc-4-base.pristine.20050622.not= e > > in order to extract it. I am able to mount it as a loop device without > > problems. > > I applied the patch from > > > http://www.user-mode-linux.org/~blaisorblade/patches/guest/uml-2.6.13-bs2= /u > >ml-2.6.13-bs2.patch.bz2 to the 2.6.13 vanilla kernel and built a uml > kernel > > with ext3 support not as a module. > > Now when I run it I get the following error: > > > [cl@amber uml]$ ./vmlinux mem=3D160M ubd0=3Droot_fs.2005062201 ubd1=3Ds= wap > > root=3D/dev/ubd/0 con=3Dpty con0=3Dfd:0,fd:1 > root=3D/dev/ubd/0 is wrong for two reasons: > *) you don't need to specify root=3D, UML automatically sets it to point = to > ubd0 > > *) /dev/ubd/0 is the DevFS syntax, and since 2.6.13 DevFS is no more > supported. > > *) I'm not even sure if root=3D/dev/ubd0 would work - Uml, to be sure, us= es > major and minor (root=3D98:0). > > Thanks for attaching the logs, but look below: > > [42949373.560000] VFS: Cannot open root device "ubd/0" or > > unknown-block(0,0) [42949373.560000] Please append a correct "root=3D" > boot > > option > > [42949373.560000] Kernel panic - not syncing: VFS: Unable to mount root > fs > > on unknown-block(0,0) > > [42949373.560000] > > The trace below is always output in case of panic, but in this case it's > not a > kernel bug, so don't get confused by it. > > [42949373.560000] EIP: 0073:[<a0382721>] CPU: 0 Not tainted ESP: > > 007b:b7f7df9c EFLAGS: 00200246 > > [42949373.560000] Not tainted > > [42949373.560000] EAX: 00000000 EBX: 00000a1f ECX: 00000013 EDX: > 00000a1f > > [42949373.560000] ESI: 00000a1e EDI: 00000011 EBP: b7f7dfb8 DS: 007b ES= : > > 007b > > [42949373.560000] aae97ac0: [<a006304d>] show_regs+0x309/0x378 > > [42949373.560000] aae97af0: [<a002d1c3>] panic_exit+0x43/0x8c > > [42949373.560000] aae97b20: [<a0097206>] notifier_call_chain+0x2e/0x88 > > [42949373.560000] aae97b50: [<a006d7df>] panic+0x9f/0x1f8 > > [42949373.560000] aae97b80: [<a000231a>] mount_block_root+0x116/0x1cc > > [42949373.560000] aae97bd0: [<a00025ee>] mount_root+0x7e/0x94 > > [42949373.560000] aae97bf0: [<a000266d>] prepare_namespace+0x69/0x224 > > [42949373.560000] aae97c00: [<a001c3c7>] init+0x1d7/0x220 > > [42949373.560000] aae97c20: [<a00227c5>] run_kernel_thread+0x59/0x74 > > [42949373.560000] aae97ce0: [<a003538e>] new_thread_handler+0xd2/0x138 > > [42949373.560000] aae97d20: [<b7f7f420>] 0xb7f7f420 > > [42949373.560000] > > [42949373.560000] > > -- > Inform me of my mistakes, so I can keep imitating Homer Simpson's "Doh!". > Paolo Giarrusso, aka Blaisorblade (Skype ID "PaoloGiarrusso", ICQ > 215621894) > http://www.user-mode-linux.org/~blaisorblade > > > > > > ___________________________________ > Yahoo! Mail: gratis 1GB per i messaggi e allegati da 10MB > http://mail.yahoo.it > > -- ------------------------------------------------------ Etay Meiri eta...@gm... |