I got the following kernel panic last night on one of my cluster nodes. Does this look like a known bug? I'll try and give some other useful info and let me know if you need any other info. OS: CentOS release 4.4 (Final) uname -a Linux scylla1 2.6.9-42.0.3.ELsmp #1 SMP Fri Oct 6 06:21:39 CDT 2006 i686 i686 i386 GNU/Linux --------------------------------------------------- Feb 7 18:28:59 scylla1 clurgmgrd: [4346]: <info> Executing /etc/init.d/httpd status Feb 7 18:28:59 scylla1 clurgmgrd: [4346]: <info> Executing /etc/init.d/mysqld status Feb 7 18:29:00 scylla1 kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000000 Feb 7 18:29:00 scylla1 kernel: printing eip: Feb 7 18:29:00 scylla1 kernel: f8c743a6 Feb 7 18:29:00 scylla1 kernel: *pde = 00004001 Feb 7 18:29:00 scylla1 kernel: Oops: 0000 [#1] Feb 7 18:29:00 scylla1 kernel: SMP Feb 7 18:29:00 scylla1 kernel: Modules linked in: iptable_filter ip_tables nfs nfsd exportfs lockd nfs_acl parport_pc lp parport autofs4 i2c_dev i2c_core lock_dlm(U) gfs (U) lock_harness(U) dlm(U) cman(U) sunrpc dm_mirror dm_multipath dm_mod button battery ac md5 ipv6 uhci_hcd ehci_hcd hw_random tg3 floppy ext3 jbd cciss sd_mod scsi_mod Feb 7 18:29:00 scylla1 kernel: CPU: 1 Feb 7 18:29:00 scylla1 kernel: EIP: 0060:[<f8c743a6>] Not tainted VLI Feb 7 18:29:00 scylla1 kernel: EFLAGS: 00010206 (2.6.9-42.0.3.ELsmp) Feb 7 18:29:00 scylla1 kernel: EIP is at gfs_glock_dq+0xaf/0x16e [gfs] Feb 7 18:29:00 scylla1 kernel: eax: d3758b30 ebx: d3758b24 ecx: f7f46400 edx: 00000000 Feb 7 18:29:00 scylla1 kernel: esi: 00000000 edi: d3758b08 ebp: f6a8b41c esp: e9adae98 Feb 7 18:29:00 scylla1 kernel: ds: 007b es: 007b ss: 0068 Feb 7 18:29:00 scylla1 kernel: Process ypserv (pid: 31510, threadinfo=e9ada000 task=f387c130) Feb 7 18:29:00 scylla1 kernel: Stack: 0219c74e ee98019c f8ca96a0 f8945000 f6a8b41c f6a8b41c f6a8b404 f6a8b400 Feb 7 18:29:00 scylla1 kernel: f8c747aa f1cb7280 f8c8945c e9adaeec f1cb7280 00000000 00000007 f1cb7280 Feb 7 18:29:00 scylla1 kernel: f8c894d0 f1cb7280 f8ca98e0 efeb2e20 c016e8ac 00000000 00000000 00000000 Feb 7 18:29:00 scylla1 kernel: Call Trace: Feb 7 18:29:00 scylla1 kernel: [<f8c747aa>] gfs_glock_dq_uninit+0x8/0x10 [gfs] Feb 7 18:29:00 scylla1 kernel: [<f8c8945c>] do_unflock+0x4f/0x61 [gfs] Feb 7 18:29:00 scylla1 kernel: [<f8c894d0>] gfs_flock+0x62/0x76 [gfs] Feb 7 18:29:00 scylla1 kernel: [<c016e8ac>] locks_remove_flock+0x49/0xe1 Feb 7 18:29:00 scylla1 kernel: [<c015bbc2>] __fput+0x41/0x100 Feb 7 18:29:00 scylla1 kernel: [<c015a7f5>] filp_close+0x59/0x5f Feb 7 18:29:00 scylla1 kernel: [<c0123b5b>] put_files_struct+0x57/0xc0 Feb 7 18:29:00 scylla1 kernel: [<c012476f>] do_exit+0x245/0x404 Feb 7 18:29:00 scylla1 kernel: [<c0124a19>] sys_exit_group+0x0/0xd Feb 7 18:29:00 scylla1 kernel: [<c02d47cb>] syscall_call+0x7/0xb Feb 7 18:29:00 scylla1 kernel: Code: f8 ba 57 85 c9 f8 68 2d 82 c9 f8 8b 44 24 14 e8 e0 1e 02 00 59 5b f6 45 15 08 74 06 f0 0f ba 6f 08 04 f6 45 15 04 74 38 8b 57 28 <8b > 02 0f 18 00 90 8d 47 28 39 c2 74 0b ff 04 24 89 54 24 04 8b Feb 7 18:29:00 scylla1 kernel: <0>Fatal exception: panic in 5 seconds -- Linux-cluster mailing list Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster
