Hi, Thanks for your reply. But, I need UML for debugging the modules which I am writing.
Thanks and Regards, Prasad. On 3/16/07, Ramanujam Parthasarathi-A19423 <[EMAIL PROTECTED]> wrote: > Hi Prasad, > > If you are working on UML for the first time, it may be a good idea to > start with pre-built UML-binary & root-fs. You can then start > changing/working on different aspects based on ur needs... > > HTH, > ~Partha > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of > Prasad Joshi > Sent: Friday, March 16, 2007 9:24 PM > To: [email protected] > Subject: [uml-user] Received a panic when UML is started. > > Hi All, > > I am new to UML and doing it for the first time. When I start the UML > ./linux it is panicing. I am not getting what I did wrong. > > So I am attaching all the steps I did please inform me if any thing is > missing or if I have done something wrong. > > Please help. > > Thanks and Regards, > Prasad. > > I am using 2.6.20 kernel on i386 machine and OS installed is Ubuntu. > > Steps I did. > ************ > make menuconfig ARCH=um > make ARCH=um > a large linux executable was created. > > Creating and mounting root file system > --------------------------------------- > dd if=/dev/zero of=my-root_fs count=1 bs=1k seek=$[2*1024*1024] > mkreiserfs -f my-root_fs > > mount -o loop my-root_fs /mnt > > Installing modules in the root file system > ------------------------------------------- > make modules_install > INSTALL_MOD_PATH=/home/prasad/uml/linux-2.6.20/mnt/ ARCH=um > > Unmount the root file system > --------------------------- > umount mnt/ > > Ran UML --> which panicked > ------- > ./linux ubda=my-root_fs > > Is anything missing? > > [EMAIL PROTECTED]:/home/prasad/uml/linux-2.6.20# ./linux > ubda=my-root_fs > Checking that ptrace can change system call numbers...OK > Checking syscall emulation patch for ptrace...OK > Checking advanced syscall emulation patch for ptrace...OK > 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 > - PTRACE_FAULTINFO...not found > - PTRACE_LDT...not found > UML running in SKAS0 mode > Checking that ptrace can change system call numbers...OK > Checking syscall emulation patch for ptrace...OK > Checking advanced syscall emulation patch for ptrace...OK > Using a channel type which is configured out of UML > Using a channel type which is configured out of UML > Using a channel type which is configured out of UML > Using a channel type which is configured out of UML > Using a channel type which is configured out of UML > Using a channel type which is configured out of UML > Using a channel type which is configured out of UML > Using a channel type which is configured out of UML > Using a channel type which is configured out of UML > Using a channel type which is configured out of UML > Using a channel type which is configured out of UML > Using a channel type which is configured out of UML > Using a channel type which is configured out of UML > Using a channel type which is configured out of UML > Using a channel type which is configured out of UML > [42949372.960000] Linux version 2.6.20 ([EMAIL PROTECTED]) (gcc > version 4.1.2 20060928 (prerelease) (Ubuntu 4.1.1-13ubuntu5)) #1 Thu > Mar 15 21:18:38 IST 2007 > [42949372.960000] Built 1 zonelists. Total pages: 8128 > [42949372.960000] Kernel command line: ubda=my-root_fs root=98:0 > [42949372.960000] PID hash table entries: 128 (order: 7, 512 bytes) > [42949372.960000] ------------------------ > [42949372.960000] | Locking API testsuite: > [42949372.960000] > ------------------------------------------------------------------------ > ---- > [42949372.960000] | spin |wlock > |rlock |mutex | wsem | rsem | > [42949372.960000] > ------------------------------------------------------------------------ > -- > [42949372.960000] A-A deadlock:failed|failed| ok > |failed|failed|failed| > [42949372.960000] A-B-B-A deadlock:failed|failed| ok > |failed|failed|failed| > [42949372.960000] A-B-B-C-C-A deadlock:failed|failed| ok > |failed|failed|failed| > [42949372.960000] A-B-C-A-B-C deadlock:failed|failed| ok > |failed|failed|failed| > [42949372.960000] A-B-B-C-C-D-D-A deadlock:failed|failed| ok > |failed|failed|failed| > [42949372.960000] A-B-C-D-B-D-D-A deadlock:failed|failed| ok > |failed|failed|failed| > [42949372.960000] A-B-C-D-B-C-D-A deadlock:failed|failed| ok > |failed|failed|failed| > [42949372.960000] double unlock: ok | ok > |failed| ok |failed|failed| > [42949372.960000] initialize > held:failed|failed|failed|failed|failed|failed| > [42949372.960000] bad unlock order: ok | ok | ok > | ok | ok | ok | > [42949372.960000] > ------------------------------------------------------------------------ > -- > [42949372.960000] recursive read-lock: | ok > | |failed| > [42949372.960000] recursive read-lock #2: | ok > | |failed| > [42949372.960000] mixed read-write-lock: > |failed| |failed| > [42949372.960000] mixed write-read-lock: > |failed| |failed| > [42949372.960000] > ------------------------------------------------------------------------ > -- > [42949372.960000] hard-irqs-on + irq-safe-A/12:failed|failed| ok | > [42949372.960000] soft-irqs-on + irq-safe-A/12:failed|failed| ok | > [42949372.960000] hard-irqs-on + irq-safe-A/21:failed|failed| ok | > [42949372.960000] soft-irqs-on + irq-safe-A/21:failed|failed| ok | > [42949372.960000] sirq-safe-A => hirqs-on/12:failed|failed| ok | > [42949372.960000] sirq-safe-A => hirqs-on/21:failed|failed| ok | > [42949372.960000] hard-safe-A + irqs-on/12:failed|failed| ok | > [42949372.960000] soft-safe-A + irqs-on/12:failed|failed| ok | > [42949372.960000] hard-safe-A + irqs-on/21:failed|failed| ok | > [42949372.960000] soft-safe-A + irqs-on/21:failed|failed| ok | > [42949372.960000] hard-safe-A + unsafe-B #1/123:failed|failed| ok | > [42949372.960000] soft-safe-A + unsafe-B #1/123:failed|failed| ok | > [42949372.960000] hard-safe-A + unsafe-B #1/132:failed|failed| ok | > [42949372.960000] soft-safe-A + unsafe-B #1/132:failed|failed| ok | > [42949372.960000] hard-safe-A + unsafe-B #1/213:failed|failed| ok | > [42949372.960000] soft-safe-A + unsafe-B #1/213:failed|failed| ok | > [42949372.960000] hard-safe-A + unsafe-B #1/231:failed|failed| ok | > [42949372.960000] soft-safe-A + unsafe-B #1/231:failed|failed| ok | > [42949372.960000] hard-safe-A + unsafe-B #1/312:failed|failed| ok | > [42949372.960000] soft-safe-A + unsafe-B #1/312:failed|failed| ok | > [42949372.960000] hard-safe-A + unsafe-B #1/321:failed|failed| ok | > [42949372.960000] soft-safe-A + unsafe-B #1/321:failed|failed| ok | > [42949372.960000] hard-safe-A + unsafe-B #2/123:failed|failed| ok | > [42949372.960000] soft-safe-A + unsafe-B #2/123:failed|failed| ok | > [42949372.960000] hard-safe-A + unsafe-B #2/132:failed|failed| ok | > [42949372.960000] soft-safe-A + unsafe-B #2/132:failed|failed| ok | > [42949372.960000] hard-safe-A + unsafe-B #2/213:failed|failed| ok | > [42949372.960000] soft-safe-A + unsafe-B #2/213:failed|failed| ok | > [42949372.960000] hard-safe-A + unsafe-B #2/231:failed|failed| ok | > [42949372.960000] soft-safe-A + unsafe-B #2/231:failed|failed| ok | > [42949372.960000] hard-safe-A + unsafe-B #2/312:failed|failed| ok | > [42949372.960000] soft-safe-A + unsafe-B #2/312:failed|failed| ok | > [42949372.960000] hard-safe-A + unsafe-B #2/321:failed|failed| ok | > [42949372.960000] soft-safe-A + unsafe-B #2/321:failed|failed| ok | > [42949372.960000] hard-irq lock-inversion/123:failed|failed| ok | > [42949372.960000] soft-irq lock-inversion/123:failed|failed| ok | > [42949372.960000] hard-irq lock-inversion/132:failed|failed| ok | > [42949372.960000] soft-irq lock-inversion/132:failed|failed| ok | > [42949372.960000] hard-irq lock-inversion/213:failed|failed| ok | > [42949372.960000] soft-irq lock-inversion/213:failed|failed| ok | > [42949372.960000] hard-irq lock-inversion/231:failed|failed| ok | > [42949372.960000] soft-irq lock-inversion/231:failed|failed| ok | > [42949372.960000] hard-irq lock-inversion/312:failed|failed| ok | > [42949372.960000] soft-irq lock-inversion/312:failed|failed| ok | > [42949372.960000] hard-irq lock-inversion/321:failed|failed| ok | > [42949372.960000] soft-irq lock-inversion/321:failed|failed| ok | > [42949372.960000] hard-irq read-recursion/123: ok | > [42949372.960000] soft-irq read-recursion/123: ok | > [42949372.960000] hard-irq read-recursion/132: ok | > [42949372.960000] soft-irq read-recursion/132: ok | > [42949372.960000] hard-irq read-recursion/213: ok | > [42949372.960000] soft-irq read-recursion/213: ok | > [42949372.960000] hard-irq read-recursion/231: ok | > [42949372.960000] soft-irq read-recursion/231: ok | > [42949372.960000] hard-irq read-recursion/312: ok | > [42949372.960000] soft-irq read-recursion/312: ok | > [42949372.960000] hard-irq read-recursion/321: ok | > [42949372.960000] soft-irq read-recursion/321: ok | > [42949372.960000] > -------------------------------------------------------- > [42949372.960000] 142 out of 218 testcases failed, as expected. | > [42949372.960000] ---------------------------------------------------- > [42949372.960000] Dentry cache hash table entries: 4096 (order: 2, > 16384 bytes) > [42949372.960000] Inode-cache hash table entries: 2048 (order: 1, 8192 > bytes) > [42949372.960000] Memory: 16224k available > [42949373.250000] Mount-cache hash table entries: 512 > [42949373.250000] Checking for host processor cmov support...Yes > [42949373.250000] Checking for host processor xmm support...No > [42949373.250000] Checking that host ptys support output SIGIO...Yes > [42949373.250000] Checking that host ptys support SIGIO on close...No, > enabling workaround > [42949373.250000] Using 2.6 host AIO > [42949373.250000] NET: Registered protocol family 16 > [42949373.280000] NET: Registered protocol family 2 > [42949373.410000] IP route cache hash table entries: 1024 (order: 0, > 4096 bytes) > [42949373.410000] TCP established hash table entries: 1024 (order: 2, > 16384 bytes) > [42949373.410000] TCP bind hash table entries: 512 (order: 1, 10240 > bytes) > [42949373.410000] TCP: Hash tables configured (established 1024 bind > 512) > [42949373.410000] TCP reno registered > [42949373.450000] Checking host MADV_REMOVE support...MADV_REMOVE > failed, err = -22 > [42949373.450000] Can't release memory to the host - memory hotplug > won't be supported > [42949373.450000] mconsole (version 2) initialized on > /root/.uml/Mw2JMK/mconsole > [42949373.450000] Host TLS support detected > [42949373.450000] Detected host type: i386 > [42949373.450000] Initializing RT-Tester: OK > [42949373.450000] io scheduler noop registered > [42949373.450000] io scheduler anticipatory registered (default) > [42949373.450000] io scheduler deadline registered > [42949373.460000] io scheduler cfq registered > [42949373.810000] RAMDISK driver initialized: 16 RAM disks of 4096K > size 1024 blocksize > [42949373.820000] loop: loaded (max 8 devices) > [42949373.820000] netconsole: not configured, aborting > [42949373.820000] TCP cubic registered > [42949373.820000] NET: Registered protocol family 1 > [42949373.820000] NET: Registered protocol family 17 > [42949373.830000] Initialized stdio console driver > [42949373.830000] parse_chan_pair failed for device 1 > [42949373.830000] parse_chan_pair failed for device 2 > [42949373.830000] parse_chan_pair failed for device 3 > [42949373.830000] parse_chan_pair failed for device 4 > [42949373.830000] parse_chan_pair failed for device 5 > [42949373.830000] parse_chan_pair failed for device 6 > [42949373.830000] parse_chan_pair failed for device 7 > [42949373.830000] parse_chan_pair failed for device 8 > [42949373.830000] parse_chan_pair failed for device 9 > [42949373.830000] parse_chan_pair failed for device 10 > [42949373.830000] parse_chan_pair failed for device 11 > [42949373.830000] parse_chan_pair failed for device 12 > [42949373.830000] parse_chan_pair failed for device 13 > [42949373.830000] parse_chan_pair failed for device 14 > [42949373.830000] parse_chan_pair failed for device 15 > [42949373.830000] Console initialized on /dev/tty0 > [42949373.860000] VFS: Cannot open root device "98:0" or > unknown-block(98,0) > [42949373.860000] Please append a correct "root=" boot option > [42949373.860000] Kernel panic - not syncing: VFS: Unable to mount > root fs on unknown-block(98,0) > [42949373.860000] > [42949373.860000] EIP: 0073:[<ffffe410>] CPU: 0 Not tainted ESP: > 007b:b79abfa8 EFLAGS: 00200246 > [42949373.860000] Not tainted > [42949373.860000] EAX: 00000000 EBX: 00004525 ECX: 00000013 EDX: > 00004525 > [42949373.860000] ESI: 00004521 EDI: 00000011 EBP: b79abfc4 DS: 007b > ES: 007b > [42949373.860000] 0949fe88: [<080929d3>] show_regs+0x153/0x166 > [42949373.860000] 0949feb4: [<0807754b>] panic_exit+0x62/0xa6 > [42949373.860000] 0949fec8: [<080c3163>] notifier_call_chain+0x3e/0x76 > [42949373.860000] 0949fee8: [<080c32b0>] > atomic_notifier_call_chain+0x28/0x38 > [42949373.860000] 0949fefc: [<080a103d>] panic+0xd5/0x215 > [42949373.860000] 0949ff1c: [<0804aa61>] mount_block_root+0x222/0x254 > [42949373.860000] 0949ff70: [<0804aced>] mount_root+0xb3/0xc9 > [42949373.860000] 0949ff94: [<0804afa3>] prepare_namespace+0x2a0/0x312 > [42949373.860000] 0949ffa4: [<0806c6e9>] init+0x1d8/0x3b5 > [42949373.860000] 0949ffb4: [<08086e80>] run_kernel_thread+0x90/0xa6 > [42949373.860000] 0949ffe0: [<08078273>] new_thread_handler+0x132/0x1ad > [42949373.860000] 0949fffc: [<a55a5a5a>] 0xa55a5a5a > [42949373.860000] > [42949373.860000] <3>Trying to free already-free IRQ 2 > [42949373.860000] Trying to free already-free IRQ 3 > > ------------------------------------------------------------------------ > - > Take Surveys. Earn Cash. Influence the Future of IT > Join SourceForge.net's Techsay panel and you'll get the chance to share > your > opinions on IT & business topics through brief surveys-and earn cash > http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDE > V > _______________________________________________ > User-mode-linux-user mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/user-mode-linux-user > ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys-and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ User-mode-linux-user mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/user-mode-linux-user
