have you tried adding root=/dev/ubda ? using ubda/b/c instead of ubd0/1/2?
And for the parse_chan_pair warnings, you may also want: con0=fd:0,fd:1 con=null Antoine Jon Rafkind wrote: > I just tried UML with the new 2.6.25 kernel but it would not boot up > properly. I was using the same rootfs with 2.6.21.3 and it worked fine. > > $ file rootfs/Gentoo-2006.1-AMD64-root_fs > rootfs/Gentoo-2006.1-AMD64-root_fs: Linux rev 1.0 ext3 filesystem data > (large files) > $ ./linux ubd0=rootfs/Gentoo-2006.1-AMD64-root_fs ubd1=rootfs/swap_fs > ubd2=rootfs/usr eth0=tuntap,,,192.168.0.254 mem=256MB > > Core dump limits : > soft - 0 > hard - NONE > Checking that ptrace can change system call numbers...OK > Checking syscall emulation patch for ptrace...missing > Checking for tmpfs mount on /dev/shm...OK > Checking PROT_EXEC mmap in /dev/shm/...OK > Checking for the skas3 patch in the host: > - /proc/mm...not found: No such file or directory > - PTRACE_FAULTINFO...not found > - PTRACE_LDT...not found > UML running in SKAS0 mode > Linux version 2.6.25 ([EMAIL PROTECTED]) (gcc version 4.1.2 (Gentoo > 4.1.2 p1.0.1)) #1 Thu Apr 17 09:52:08 MDT 2008 > Built 1 zonelists in Zone order, mobility grouping on. Total pages: 64640 > Kernel command line: ubd0=rootfs/Gentoo-2006.1-AMD64-root_fs > ubd1=rootfs/swap_fs ubd2=rootfs/usr eth0=tuntap,,,192.168.0.254 > mem=256MB root=98:0 > PID hash table entries: 1024 (order: 10, 8192 bytes) > Dentry cache hash table entries: 32768 (order: 6, 262144 bytes) > Inode-cache hash table entries: 16384 (order: 5, 131072 bytes) > Memory: 251648k available > Mount-cache hash table entries: 256 > Checking that host ptys support output SIGIO...Yes > Checking that host ptys support SIGIO on close...No, enabling workaround > net_namespace: 280 bytes > Using 2.6 host AIO > NET: Registered protocol family 16 > NET: Registered protocol family 2 > IP route cache hash table entries: 2048 (order: 2, 16384 bytes) > TCP established hash table entries: 8192 (order: 5, 131072 bytes) > TCP bind hash table entries: 8192 (order: 4, 65536 bytes) > TCP: Hash tables configured (established 8192 bind 8192) > TCP reno registered > Checking host MADV_REMOVE support...OK > mconsole (version 2) initialized on /home/kazzmir/.uml/zA6EWE/mconsole > VFS: Disk quotas dquot_6.5.1 > Dquot-cache hash table entries: 512 (order 0, 4096 bytes) > io scheduler noop registered > io scheduler anticipatory registered (default) > io scheduler deadline registered > io scheduler cfq registered > TCP cubic registered > NET: Registered protocol family 1 > NET: Registered protocol family 17 > Initialized stdio console driver > Using a channel type which is configured out of UML > parse_chan_pair failed for device 1 : Configuration failed > Using a channel type which is configured out of UML > parse_chan_pair failed for device 2 : Configuration failed > Using a channel type which is configured out of UML > parse_chan_pair failed for device 3 : Configuration failed > Using a channel type which is configured out of UML > parse_chan_pair failed for device 4 : Configuration failed > Using a channel type which is configured out of UML > parse_chan_pair failed for device 5 : Configuration failed > Using a channel type which is configured out of UML > parse_chan_pair failed for device 6 : Configuration failed > Using a channel type which is configured out of UML > parse_chan_pair failed for device 7 : Configuration failed > Using a channel type which is configured out of UML > parse_chan_pair failed for device 8 : Configuration failed > Using a channel type which is configured out of UML > parse_chan_pair failed for device 9 : Configuration failed > Using a channel type which is configured out of UML > parse_chan_pair failed for device 10 : Configuration failed > Using a channel type which is configured out of UML > parse_chan_pair failed for device 11 : Configuration failed > Using a channel type which is configured out of UML > parse_chan_pair failed for device 12 : Configuration failed > Using a channel type which is configured out of UML > parse_chan_pair failed for device 13 : Configuration failed > Using a channel type which is configured out of UML > parse_chan_pair failed for device 14 : Configuration failed > Using a channel type which is configured out of UML > parse_chan_pair failed for device 15 : Configuration failed > Console initialized on /dev/tty0 > console [tty0] enabled > console [mc-1] enabled > VFS: Cannot open root device "98:0" or unknown-block(98,0) > Please append a correct "root=" boot option; here are the available > partitions: > Kernel panic - not syncing: VFS: Unable to mount root fs on > unknown-block(98,0) > > Modules linked in: > Pid: 1, comm: swapper Not tainted 2.6.25 > RIP: 0033:[<00002b375f178fe7>] > RSP: 00007fff4bb7ebd8 EFLAGS: 00000206 > RAX: 0000000000000000 RBX: 0000000000006ac6 RCX: ffffffffffffffff > RDX: 0000000000000000 RSI: 0000000000000013 RDI: 0000000000006ac6 > RBP: 00007fff4bb7ebf0 R08: 0000000000000000 R09: 00007fff4bb7ebf0 > R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000006ac3 > R13: 00007fff4bb7eda8 R14: 0000000000000006 R15: 00007fff4bb7eda8 > Call Trace: > 6fc27d38: [<60012be8>] panic_exit+0x2f/0x45 > 6fc27d58: [<6003b389>] notifier_call_chain+0x33/0x65 > 6fc27d98: [<6003b44b>] __atomic_notifier_call_chain+0x9/0xb > 6fc27da8: [<6003b45c>] atomic_notifier_call_chain+0xf/0x11 > 6fc27db8: [<600254f2>] panic+0xe6/0x17d > 6fc27e20: [<60001a4b>] mount_block_root+0x26/0x13e > 6fc27e48: [<600080e9>] printk_all_partitions+0x14f/0x15e > 6fc27ea8: [<60001b47>] mount_block_root+0x122/0x13e > 6fc27ef8: [<60001bb3>] mount_root+0x50/0x54 > 6fc27f18: [<60001cc6>] prepare_namespace+0x10f/0x134 > 6fc27f28: [<60001830>] kernel_init+0x75/0x7e > 6fc27f48: [<60018f8a>] run_kernel_thread+0x41/0x4b > 6fc27f58: [<600017bb>] kernel_init+0x0/0x7e > 6fc27f98: [<60018f71>] run_kernel_thread+0x28/0x4b > 6fc27fc8: [<60010327>] new_thread_handler+0x67/0x91 > > I used my old .config from 2.6.21.3 and did 'make oldconfig ARCH=um' and > accepted the defaults for any new option. I have CONFIG_EXT2_FS=y and > CONFIG_EXT3_FS=y so thats not the issue. Usually that error means some > other process locked the filesystem but fuser reports no other processes > using them. I probably forgot to set something up, but I don't know what. > > ------------------------------------------------------------------------- > This SF.net email is sponsored by the 2008 JavaOne(SM) Conference > Don't miss this year's exciting event. There's still time to save $100. > Use priority code J8TL2D2. > http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone > _______________________________________________ > User-mode-linux-user mailing list > User-mode-linux-user@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/user-mode-linux-user > > ------------------------------------------------------------------------- This SF.net email is sponsored by the 2008 JavaOne(SM) Conference Don't miss this year's exciting event. There's still time to save $100. 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