From: Joydeep S. S. <jse...@ya...> - 2003-12-15 21:37:02
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as i mentioned - i have already tried the root=/dev/ubd/0 option and that doesn't work too. In any case, non-debug kernel works without root option, Joydeep --- Henrik Nordstrom <hn...@ma...> wrote: > You need to use root=... to specify which device or > partition the root is > on. The ubd0 argument just connects the ubda device > to the specified file, > it does not specify that the root is there. > > Regards > Henrik > > > On Mon, 15 Dec 2003, Joydeep Sen Sarma wrote: > > > Hi folks, > > > > The regular uml kernel worked fine till i turned > > on the debug option. Kernel version is 2.4.22 and > > I applied uml patch 2.4.22-6 to it. Root file > System > > is the Debian-3.0r0.ext2.bz2 image from uml home > page. > > > > # ls -l root_fs > > -rw-r--r-- 1 root root 62862336 Dec 14 > > 18:06 root_fs > > # ./linux ubd0=root_fs debug gdb-pid=2646 > > > > >From debugger, failure happens here: > > > > Breakpoint 3, do_kern_mount (fstype=0xa194b000 > "ext2", > > flags=32769, > > name=0xa1949000 "/dev/root", data=0x0) at > > super.c:793 > > (gdb) > > get_sb_bdev (fs_type=0xa01fb930, flags=-12, > > dev_name=0xa1949000 "/dev/root", > > data=0x0) at super.c:669 > > > > this call in get_sb_nodev fails: > > error = path_lookup(dev_name, > > LOOKUP_FOLLOW|LOOKUP_POSITIVE, &nd); > > > > with err code of ENOENT. Any ideas what's wrong or > > how I can debug this ? (I have tried the > > root=/dev/ubd/0 option - same result) > > > > thanks, > > > > Joydeep > > > > > > > > > > __________________________________ > > Do you Yahoo!? > > New Yahoo! Photos - easier uploading and sharing. > > http://photos.yahoo.com/ > > > > > > > ------------------------------------------------------- > > This SF.net email is sponsored by: IBM Linux > Tutorials. > > Become an expert in LINUX or just sharpen your > skills. Sign up for IBM's > > Free Linux Tutorials. Learn everything from the > bash shell to sys admin. > > Click now! > http://ads.osdn.com/?ad_id=1278&alloc_id=3371&op=click > > _______________________________________________ > > User-mode-linux-devel mailing list > > Use...@li... > > > https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel > > > __________________________________ Do you Yahoo!? New Yahoo! Photos - easier uploading and sharing. http://photos.yahoo.com/ |