Phill Harvey-Smith
2013-Aug-14 12:15 UTC
Crash and reboot accessing NFS exported Lustre filesystem.
Hi All, We have one of our Lustre filesystems that we export via NFS to a machine that we don''t currently have the Lustre client modules built for. The remote machine can mount the filesystems however as soon as it tries to access a file on the NFS mounted filesystem, it causes the NFS server to crash and reboot. The NFS server is Ubuntu 12.04LTS x86_64, kernel 3.8.0-27-generic, and Lustre version : Lustre: Build Version: v2_4_90_0-g3917e62-CHANGED-3.8.0-27-generic This was checked out from git yesterday, so is the newest 2.4 code. The filesystems are exported as : /home 192.168.0.0/24(rw,async,no_subtree_check) On the target system I did the following : mount test1:/home /mnt ls /mnt At this point it crashes the server, the relevant section of the crashlog as captured from the console is : [ 472.439409] LustreError: 2131:0:(llite_internal.h:1175:ll_inode2fid()) ASSERTION( inode != ((void *)0) ) failed: [ 472.449660] LustreError: 2131:0:(llite_internal.h:1175:ll_inode2fid()) LBUG [ 472.478560] Kernel panic - not syncing: LBUG Does anyone know how I can fix this ? Cheers. Phill.
Girish Shilamkar
2013-Aug-14 12:24 UTC
Re: Crash and reboot accessing NFS exported Lustre filesystem.
Hello Phill, This is a known issue https://jira.hpdd.intel.com/browse/LU-3717 inode is passed as NULL in ll_encode_fh() which results in this LBUG Regards, Girish On 14-Aug-2013, at 5:45 PM, Phill Harvey-Smith <p.harvey-smith-OmadNMBGD7GUEwlovWf52g@public.gmane.orgk<mailto:p.harvey-smith-OmadNMBGD7E2EctHIo1CcQ@public.gmane.org>> wrote: Hi All, We have one of our Lustre filesystems that we export via NFS to a machine that we don''t currently have the Lustre client modules built for. The remote machine can mount the filesystems however as soon as it tries to access a file on the NFS mounted filesystem, it causes the NFS server to crash and reboot. The NFS server is Ubuntu 12.04LTS x86_64, kernel 3.8.0-27-generic, and Lustre version : Lustre: Build Version: v2_4_90_0-g3917e62-CHANGED-3.8.0-27-generic This was checked out from git yesterday, so is the newest 2.4 code. The filesystems are exported as : /home 192.168.0.0/24(rw,async,no_subtree_check) On the target system I did the following : mount test1:/home /mnt ls /mnt At this point it crashes the server, the relevant section of the crashlog as captured from the console is : [ 472.439409] LustreError: 2131:0:(llite_internal.h:1175:ll_inode2fid()) ASSERTION( inode != ((void *)0) ) failed: [ 472.449660] LustreError: 2131:0:(llite_internal.h:1175:ll_inode2fid()) LBUG [ 472.478560] Kernel panic - not syncing: LBUG Does anyone know how I can fix this ? Cheers. Phill. _______________________________________________ Lustre-discuss mailing list Lustre-discuss-aLEFhgZF4x6X6Mz3xDxJMA@public.gmane.org<mailto:Lustre-discuss-aLEFhgZF4x6X6Mz3xDxJMA@public.gmane.org> http://lists.lustre.org/mailman/listinfo/lustre-discuss _______________________________________________ Lustre-discuss mailing list Lustre-discuss-aLEFhgZF4x6X6Mz3xDxJMA@public.gmane.org http://lists.lustre.org/mailman/listinfo/lustre-discuss