I'm running a Centos cluster with piranha and two servers: r300te1/r300te2 that<br />
have access to an GFS2 filesytem mounted at /home.<br />
<br />
When both servers work together with the filesystem the message above appears<br />
at screen and then the server stays inoperative until I reboot. I have no fenze<br />
method and I have to reboot the server manually. <br />
<br />
I have no clue where to go, thie its why I write the bug to yours. I know that<br />
my kernel is not the last one but I'ts the latest that the Centos guys (REdhat)<br />
provide.<br />
<br />
<br />
-------------------------<br />
May 15 17:03:06 r300te2 kernel: BUG: unable to handle kernel NULL pointer<br />
dereference at 0000000000000060<br />
May 15 17:03:06 r300te2 kernel: IP: [<ffffffffa045f6ff>]<br />
gfs2_inplace_reserve+0x54f/0x7e0 [gfs2]<br />
May 15 17:03:06 r300te2 kernel: PGD 12bba2067 PUD 12a8e6067 PMD 0<br />
May 15 17:03:06 r300te2 kernel: Oops: 0002 [<a href="http://bugs.centos.org/view.php?id=1">0000001</a>] SMP<br />
May 15 17:03:06 r300te2 kernel: last sysfs file:<br />
/sys/kernel/dlm/rgmanager/control<br />
May 15 17:03:06 r300te2 kernel: CPU 1<br />
May 15 17:03:06 r300te2 kernel: Modules linked in: gfs2 dlm configfs sunrpc<br />
be2iscsi iscsi_boot_sysfs uio cxgb4i cxgb4 cxgb3i libcxgbi cxgb3 mdio iscsi_tcp<br />
libiscsi_tcp libiscsi scsi_transport_iscsi ipt_LOG nf_conntrack_ipv4<br />
nf_defrag_ipv4 xt_state nf_conntrack ipt_REJECT iptable_filter ip_tables dcdbas<br />
serio_raw sg iTCO_wdt iTCO_vendor_support tg3 i5100_edac edac_core ext3 jbd<br />
mbcache raid1 raid0 sd_mod crc_t10dif sr_mod cdrom pata_acpi ata_generic<br />
ata_piix radeon ttm drm_kms_helper drm i2c_algo_bit i2c_core dm_mirror<br />
dm_region_hash dm_log dm_mod [last unloaded: scsi_wait_scan]<br />
May 15 17:03:06 r300te2 kernel:<br />
May 15 17:03:06 r300te2 kernel: Pid: 5933, comm: pop3 Not tainted<br />
2.6.32-358.6.1.el6.x86_64 <a href="http://bugs.centos.org/view.php?id=1">0000001</a> Dell Inc. PowerEdge R300/0TY179<br />
May 15 17:03:06 r300te2 kernel: RIP: 0010:[<ffffffffa045f6ff>] <br />
[<ffffffffa045f6ff>] gfs2_inplace_reserve+0x54f/0x7e0 [gfs2]<br />
May 15 17:03:06 r300te2 kernel: RSP: 0018:ffff88012bbc9a58 EFLAGS: 00010287<br />
May 15 17:03:06 r300te2 kernel: RAX: ffff88012b8c07a8 RBX: 0000000000000002<br />
RCX: 00000000019a0e64<br />
May 15 17:03:06 r300te2 kernel: RDX: 00000000019a0e64 RSI: 0000000001995327<br />
RDI: ffff88012c47a440<br />
May 15 17:03:06 r300te2 kernel: RBP: ffff88012bbc9b18 R08: 0000000000000000<br />
R09: 0000000000000000<br />
May 15 17:03:06 r300te2 kernel: R10: 0000000000001000 R11: 0000000000000000<br />
R12: ffff88012c47a000<br />
May 15 17:03:06 r300te2 kernel: R13: 0000000000000000 R14: ffff88012bfb6520<br />
R15: ffff88012bbc9b78<br />
May 15 17:03:06 r300te2 kernel: FS: 00007f030554d700(0000)<br />
GS:ffff880028280000(0000) knlGS:0000000000000000<br />
May 15 17:03:06 r300te2 kernel: CS: 0010 DS: 0000 ES: 0000 CR0:<br />
0000000080050033<br />
May 15 17:03:06 r300te2 kernel: CR2: 0000000000000060 CR3: 000000012aa88000<br />
CR4: 00000000000407e0<br />
May 15 17:03:06 r300te2 kernel: DR0: 0000000000000000 DR1: 0000000000000000<br />
DR2: 0000000000000000<br />
May 15 17:03:06 r300te2 kernel: DR3: 0000000000000000 DR6: 00000000ffff0ff0<br />
DR7: 0000000000000400<br />
May 15 17:03:06 r300te2 kernel: Process pop3 (pid: 5933, threadinfo<br />
ffff88012bbc8000, task ffff8801288da040)<br />
May 15 17:03:06 r300te2 kernel: Stack:<br />
May 15 17:03:06 r300te2 kernel: ffff88012e345870 ffffffffa043a2d0<br />
ffff88012bbc9a98 ffff88012bf45460<br />
May 15 17:03:06 r300te2 kernel: <d> ffff88012e345870 00000115a043a2d0<br />
ffff88012bbc9b10 ffff88012c47a000<br />
May 15 17:03:06 r300te2 kernel: <d> ffff88012bbc9af8 ffffffffa043b89f<br />
ffff88012b8c07a8 0000000000000000<br />
May 15 17:03:06 r300te2 kernel: Call Trace:<br />
May 15 17:03:06 r300te2 kernel: [<ffffffffa043a2d0>] ?<br />
gfs2_dirent_find_space+0x0/0x50 [gfs2]<br />
May 15 17:03:06 r300te2 kernel: [<ffffffffa043b89f>] ?<br />
gfs2_dirent_search+0xff/0x1a0 [gfs2]<br />
May 15 17:03:06 r300te2 kernel: [<ffffffffa0457041>] gfs2_rename+0x6b1/0x8c0<br />
[gfs2]<br />
May 15 17:03:06 r300te2 kernel: [<ffffffffa0456ca5>] ? gfs2_rename+0x315/0x8c0<br />
[gfs2]<br />
May 15 17:03:06 r300te2 kernel: [<ffffffffa0456afc>] ? gfs2_rename+0x16c/0x8c0<br />
[gfs2]<br />
May 15 17:03:06 r300te2 kernel: [<ffffffffa044544f>] ?<br />
gfs2_glock_put+0x3f/0x180 [gfs2]<br />
May 15 17:03:06 r300te2 kernel: [<ffffffffa04458a3>] ?<br />
gfs2_holder_uninit+0x23/0x40 [gfs2]<br />
May 15 17:03:06 r300te2 kernel: [<ffffffffa0446a5e>] ?<br />
gfs2_glock_dq_uninit+0x1e/0x30 [gfs2]<br />
May 15 17:03:06 r300te2 kernel: [<ffffffffa04559dc>] ?<br />
gfs2_permission+0x9c/0x100 [gfs2]<br />
May 15 17:03:06 r300te2 kernel: [<ffffffff8118ffdb>] vfs_rename+0x3ab/0x440<br />
May 15 17:03:06 r300te2 kernel: [<ffffffff81191d0a>] sys_renameat+0x1da/0x240<br />
May 15 17:03:06 r300te2 kernel: [<ffffffff810e6dd5>] ? call_rcu_sched+0x15/0x20<br />
May 15 17:03:06 r300te2 kernel: [<ffffffff810e6dee>] ? call_rcu+0xe/0x10<br />
May 15 17:03:06 r300te2 kernel: [<ffffffff811993af>] ? d_free+0x3f/0x60<br />
May 15 17:03:06 r300te2 kernel: [<ffffffff810dc8f7>] ?<br />
audit_syscall_entry+0x1d7/0x200<br />
May 15 17:03:06 r300te2 kernel: [<ffffffff81191d8b>] sys_rename+0x1b/0x20<br />
May 15 17:03:06 r300te2 kernel: [<ffffffff8100b072>]<br />
system_call_fastpath+0x16/0x1b<br />
May 15 17:03:06 r300te2 kernel: Code: 0f 84 c1 fc ff ff e9 41 fb ff ff 48 8b 4d<br />
a0 48 8b b1 10 03 00 00 48 8b bd 78 ff ff ff ba 01 00 00 00 e8 75 d6 ff ff 48<br />
89 45 90 <49> 89 45 60 c7 45 9c 01 00 00 00 48 8b 45 90 e9 01 fb ff ff 48<br />
May 15 17:03:06 r300te2 kernel: RIP [<ffffffffa045f6ff>]<br />
gfs2_inplace_reserve+0x54f/0x7e0 [gfs2]<br />
May 15 17:03:06 r300te2 kernel: RSP <ffff88012bbc9a58><br />
May 15 17:03:06 r300te2 kernel: CR2: 0000000000000060
↧