> Thanks for your reply. But, I need UML for debugging the modules which > I am writing. See below.
>> 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/ You never installed a Linux OS in the filesystem image! Having the modules is good, but to boot Linux you will need "init". You can add busybox to your filesystem, or just a static bash and boot with init=/bin/bash >> 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 [snip] >> [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) [snip] Does your UML kernel support the filesystem you created? (reiserfs) Antoine ------------------------------------------------------------------------- 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 User-mode-linux-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-user
