Hello Sunil,<br><br>Well it seems that this kernel module is not present in the kernel release :<br><br>[root@linuxbox2 modules]# rpm -qf /lib/modules/`uname -r`/kernel/fs/debugfs/debugfs.ko<br>erreur: fichier /lib/modules/2.6.9-
55.plus.c4smp/kernel/fs/debugfs/debugfs.ko: Aucun fichier ou répertoire de ce type<br>[root@linuxbox2 modules]# lsmod<br>Module Size Used by<br>parport_pc 28032 1<br>lp 15661 0
<br>parport 38025 2 parport_pc,lp<br>autofs4 25285 0<br>i2c_dev 14529 0<br>i2c_core 26049 1 i2c_dev<br>ocfs2_dlmfs 27272 1<br>ocfs2_dlm 199688 1 ocfs2_dlmfs
<br>ocfs2_nodemanager 159616 5 ocfs2_dlmfs,ocfs2_dlm<br>configfs 28300 2 ocfs2_nodemanager<br>sunrpc 143909 1<br>dm_mirror 31429 0<br>dm_multipath 22985 0<br>dm_mod 65000 2 dm_mirror,dm_multipath
<br>button 10705 0<br>battery 12997 0<br>ac 8901 0<br>md5 8129 1<br>ipv6 243425 12<br>ohci1394 35289 0<br>snd_azx 21841 3
<br>snd_hda_codec 126529 1 snd_azx<br>snd_pcm_oss 52729 0<br>snd_mixer_oss 21953 2 snd_pcm_oss<br>snd_pcm 92357 3 snd_azx,snd_hda_codec,snd_pcm_oss<br>snd_timer 28229 1 snd_pcm
<br>snd 57509 10 snd_azx,snd_hda_codec,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_timer<br>soundcore 13089 2 snd<br>snd_page_alloc 13897 2 snd_azx,snd_pcm<br>r8169 31049 0
<br>sk98lin 144553 1<br>floppy 58193 0<br>sbp2 25929 0<br>ieee1394 104825 2 ohci1394,sbp2<br>ext3 119113 1<br>jbd 59609 1 ext3
<br>sata_uli 11973 4294967295<br>libata 105757 1 sata_uli<br>sd_mod 20545 0<br>scsi_mod 119757 3 sbp2,libata,sd_mod<br>[root@linuxbox2 modules]# modinfo debugfs
<br>modinfo: could not find module debugfs<br>[root@linuxbox2 modules]# uname -a<br>Linux linuxbox2 2.6.9-55.plus.c4smp #1 SMP Sun May 20 10:29:12 EDT 2007 i686 i686 i386 GNU/Linux<br><br>Yassine<br><br><div><span class="gmail_quote">
On 5/29/07, <b class="gmail_sendername">Sunil Mushran</b> <<a href="mailto:Sunil.Mushran@oracle.com">Sunil.Mushran@oracle.com</a>> wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
The debugfs module is bundled with the ocfs2 packages for 2.6.9 (rhel4).<br>Appears as if the module is not getting loaded.<br><br>Do:<br># rpm -qf /lib/modules/`uname -r`/kernel/fs/debugfs/debugfs.ko<br># lsmod<br># modinfo debugfs
<br># uname -a<br><br>Yassine Diallo wrote:<br>> Hello,<br>><br>> I'm running two linux boxes with Centos kernel distribution with<br>> kernel 2.6.9-55.plus.smp. My firewire disk is known by both machines<br>
> and the ocfs2 stack is loaded and up.<br>><br>> But if I run the mount option I get the following error :<br>><br>> /dev/sdb1 1 125 1004031 83 Linux<br>> /dev/sdb2 126 14715 117194175 83 Linux
<br>> /dev/sdb3 14716 29305 117194175 83 Linux<br>> /dev/sdb4 29306 38913 77176260 83 Linux<br>> [root@linuxbox2 ~]#<br>> [root@linuxbox2 ~]# mount -t ocfs2 -o datavolume,nointr /dev/sdb1 /oracrs
<br>> mount.ocfs2: No such device while mounting /dev/sdb1 on /oracrs. Check<br>> 'dmesg' for more information on this error.<br>><br>> [root@linuxbox2 ~]# dmesg | tail<br>> i2c /dev entries driver<br>
> eth0: no IPv6 routers present<br>> parport0: PC-style at 0x378 (0x778) [PCSPP,TRISTATE]<br>> parport0: irq 7 detected<br>> lp0: using parport0 (polling).<br>> lp0: console ready<br>> eth1: no IPv6 routers present
<br>> ocfs2: Unknown symbol debugfs_remove<br>> ocfs2: Unknown symbol debugfs_create_file<br>> ocfs2: Unknown symbol debugfs_create_dir<br>> [root@linuxbox2 ~]# uname -a<br>> Linux linuxbox2 2.6.9-55.plus.c4smp
#1 SMP Sun May 20 10:29:12 EDT<br>> 2007 i686 i686 i386 GNU/Linux<br>><br>> The log mentions the function related to debugfs. I did install the<br>> ocfs2 from the rpm provided on the Oracle site and installed also the
<br>> ocfs2 tools, console and debug.<br>><br>> Did somebody already have seen that problem ?<br>><br>> Note : I tried to compile ocfs2 from the tarball but the configure<br>> tool stopped and complained about unknown kernel version ( probably
<br>> related to the centosplus kernel).<br>><br>> Thanks in advance<br>><br>> Yassine<br>> ------------------------------------------------------------------------<br>><br>> _______________________________________________
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</a><br><br></blockquote></div><br>