Re: GFS2 crashes - sys_rename

"YB Tan Sri Dato Sri' Adli a.k.a Dell" <white.heron@xxxxxxxxx> · Thu, 18 Apr 2013 05:34:06 -0700 (PDT)



Regards,

YB Tan Sri Dato' Sri Adli a.k.a Dell

my.linkedin.com/pub/yb-tan-sri-dato-sri-adli-a-k-a-dell/44/64b/464/
H/p number:  (017) 362 3661


   From: laurence.schuler
 <laurence.schuler@xxxxxxxx>
 To: linux-cluster@xxxxxxxxxx 
 Sent: Thursday, April 18, 2013 3:34 AM
 Subject: Re:  GFS2 crashes - sys_rename
  
 
    There's a similar bug about this same
      crash in the 358 kernel. Its a different bug. I rolled back to the
      previous for now, Redhat should have a fix soon.

      
      --larry

      
      On 04/17/2013 03:02 PM, 5hosting Team wrote:

    
        Hey guys, 
           
        We run a 40 node
            webcluster (only apache, php processes) and the nodes keep
            on crashing with a kernel panic. For me it looks like the
            rename of a file/directory aint working. I found someone
            posting the same a few days ago and it should be fixed in
            kernel 2.6.32-358.2.1.el6, but that’s the kernel we’re
            running. And we just used fsck yesterday night to check for
            problems with the file system. So something doesn’t seem
            right. 
           
        Here are 3 crashlogs
            from 3 different nodes: 
        Apr 17 20:20:16 001
            kernel: Modules linked in: gfs2 dlm configfs sg sd_mod
            crc_t10dif ib_iser rdma_cm ib_cm iw_cm ib_sa ib_mad ib_core
            ib_addr iscsi_tcp iptable_filter ip_tables ip6t_REJECT
            nf_conntrack_ipv6 nf_defrag_ipv6 xt_state nf_conntrack
            ip6table_filter ip6_tables serio_raw i2c_i801 i2c_core
            iTCO_wdt iTCO_vendor_support shpchp ahci video output e1000e
            dm_mirror dm_region_hash dm_log dm_mod nfs lockd fscache
            auth_rpcgss nfs_acl sunrpc be2iscsi bnx2i cnic uio ipv6
            cxgb4i cxgb4 cxgb3i libcxgbi cxgb3 mdio libiscsi_tcp qla4xxx
            iscsi_boot_sysfs libiscsi scsi_transport_iscsi [last
            unloaded: scsi_wait_scan] 
        Apr 17 20:20:16 001
            kernel:  
        Apr 17 20:20:16 001
            kernel: Pid: 2915, comm: php-cgi Not tainted
            2.6.32-358.2.1.el6.x86_64 #1 Supermicro
            X9SCL/X9SCM/X9SCL/X9SCM 
        Apr 17 20:20:16 001
            kernel: RIP: 0010:[<ffffffffa04266ff>] 
            [<ffffffffa04266ff>] gfs2_inplace_reserve+0x54f/0x7e0
            [gfs2] 
        Apr 17 20:20:16 001
            kernel: RSP: 0018:ffff880417e8ba58  EFLAGS: 00010283 
        Apr 17 20:20:16 001 kernel: RAX:
          ffff8804185a3da8 RBX: 0000000000000003 RCX: 000000000db41094 
        Apr 17 20:20:16 001 kernel: RDX:
          000000000db41094 RSI: 000000000db21756 RDI: ffff8804187ef440 
        Apr 17 20:20:16 001 kernel: RBP:
          ffff880417e8bb18 R08: 0000000000000000 R09: 0000000000000000 
        Apr 17 20:20:16 001 kernel: R10:
          0000000000001000 R11: 0000000000000000 R12: ffff8804187ef000 
        Apr 17 20:20:16 001 kernel: R13:
          0000000000000000 R14: ffff88041519c3e0 R15: ffff880417e8bb78 
        Apr 17 20:20:16 001 kernel: FS: 
          00007f07791ff7c0(0000) GS:ffff880028200000(0000)
          knlGS:0000000000000000 
        Apr 17 20:20:16 001 kernel: CS:  0010 DS:
          0000 ES: 0000 CR0: 0000000080050033 
        Apr 17 20:20:16 001 kernel: CR2:
          0000000000000060 CR3: 0000000411e94000 CR4: 00000000001407f0 
        Apr 17 20:20:16 001 kernel: DR0:
          0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 
        Apr 17 20:20:16 001 kernel: DR3:
          0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 
        Apr 17 20:20:16 001
            kernel: Process php-cgi (pid: 2915, threadinfo
            ffff880417e8a000, task ffff8804125cc040) 
        Apr 17 20:20:16 001 kernel: Stack: 
        Apr 17 20:20:16 001 kernel:
          ffff8804163dbab0 ffffffffa04012d0 ffff880417e8ba78
          ffff8804163dd0c0 
        Apr 17 20:20:16 001 kernel: <d>
          ffff8804163dbab0 00000115a04012d0 ffff880417e8ba98
          ffff8804187ef000 
        Apr 17 20:20:16 001 kernel: <d>
          ffff880417e8baf8 ffffffffa0402931 ffff8804185a3da8
          0000000000000000 
        Apr 17 20:20:16 001
            kernel: Call Trace: 
        Apr 17 20:20:16 001
            kernel: [<ffffffffa04012d0>] ?
            gfs2_dirent_find_space+0x0/0x50 [gfs2] 
        Apr 17 20:20:16 001
            kernel: [<ffffffffa0402931>] ?
            gfs2_dirent_search+0x191/0x1a0 [gfs2] 
        Apr 17 20:20:16 001 kernel:
          [<ffffffffa041e041>] gfs2_rename+0x6b1/0x8c0 [gfs2] 
        Apr 17 20:20:16 001 kernel:
          [<ffffffffa041dab8>] ? gfs2_rename+0x128/0x8c0 [gfs2] 
        Apr 17 20:20:16 001 kernel:
          [<ffffffffa041dad6>] ? gfs2_rename+0x146/0x8c0 [gfs2] 
        Apr 17 20:20:16 001 kernel:
          [<ffffffffa041dafc>] ? gfs2_rename+0x16c/0x8c0 [gfs2] 
        Apr 17 20:20:16 001 kernel:
          [<ffffffffa040c44f>] ? gfs2_glock_put+0x3f/0x180 [gfs2] 
        Apr 17 20:20:16 001 kernel:
          [<ffffffffa040c8a3>] ? gfs2_holder_uninit+0x23/0x40
          [gfs2] 
        Apr 17 20:20:16 001 kernel:
          [<ffffffffa040da5e>] ? gfs2_glock_dq_uninit+0x1e/0x30
          [gfs2] 
        Apr 17 20:20:16 001 kernel:
          [<ffffffffa041c9dc>] ? gfs2_permission+0x9c/0x100 [gfs2] 
        Apr 17 20:20:16 001 kernel:
          [<ffffffffa041da65>] ? gfs2_rename+0xd5/0x8c0 [gfs2] 
        Apr 17 20:20:16 001 kernel:
          [<ffffffff8118ffdb>] vfs_rename+0x3ab/0x440 
        Apr 17 20:20:16 001 kernel:
          [<ffffffff81191d0a>] sys_renameat+0x1da/0x240 
        Apr 17 20:20:16 001 kernel:
          [<ffffffff81277495>] ? _atomic_dec_and_lock+0x55/0x80 
        Apr 17 20:20:16 001
            kernel: [<ffffffff81186874>] ? cp_new_stat+0xe4/0x100 
        Apr 17 20:20:16 001
            kernel: [<ffffffff81186c46>] ? sys_newstat+0x36/0x50 
        Apr 17 20:20:16 001
            kernel: [<ffffffff810dc8f7>] ?
            audit_syscall_entry+0x1d7/0x200 
        Apr 17 20:20:16 001 kernel:
          [<ffffffff81191d8b>] sys_rename+0x1b/0x20 
        Apr 17 20:20:16 001
            kernel: [<ffffffff8100b072>]
            system_call_fastpath+0x16/0x1b 
        Apr 17 20:20:16 001
            kernel: Code: 0f 84 c1 fc ff ff e9 41 fb ff ff 48 8b 4d 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 89 45 90 <49> 89 45 60 c7 45 9c 01 00
            00 00 48 8b 45 90 e9 01 fb ff ff 48  
        Apr 17 20:20:16 001
            kernel: RIP  [<ffffffffa04266ff>]
            gfs2_inplace_reserve+0x54f/0x7e0 [gfs2] 
        Apr 17 20:20:16 001
            kernel: RSP <ffff880417e8ba58> 
        Apr 17 20:20:16 001
            kernel: CR2: 0000000000000060 
        Apr 17 20:20:16 001
            kernel: ---[ end trace 0647d0d2004566f6 ]--- 
           
           
        Apr 17 20:21:00 002
            kernel: Modules linked in: gfs2 dlm configfs sg sd_mod
            crc_t10dif ib_iser rdma_cm ib_cm iw_cm ib_sa ib_mad ib_core
            ib_addr iscsi_tcp iptable_filter ip_tables ip6t_REJECT
            nf_conntrack_ipv6 nf_defrag_ipv6 xt_state nf_conntrack
            ip6table_filter ip6_tables serio_raw i2c_i801 i2c_core
            iTCO_wdt iTCO_vendor_support shpchp ahci video output e1000e
            dm_mirror dm_region_hash dm_log dm_mod nfs lockd fscache
            auth_rpcgss nfs_acl sunrpc be2iscsi bnx2i cnic uio ipv6
            cxgb4i cxgb4 cxgb3i libcxgbi cxgb3 mdio libiscsi_tcp qla4xxx
            iscsi_boot_sysfs libiscsi scsi_transport_iscsi [last
            unloaded: scsi_wait_scan] 
        Apr 17 20:21:00 002
            kernel:  
        Apr 17 20:21:00 002
            kernel: Pid: 2839, comm: php-cgi Not tainted
            2.6.32-358.2.1.el6.x86_64 #1 Supermicro
            X9SCL/X9SCM/X9SCL/X9SCM 
        Apr 17 20:21:00 002
            kernel: RIP: 0010:[<ffffffffa04266ff>] 
            [<ffffffffa04266ff>] gfs2_inplace_reserve+0x54f/0x7e0
            [gfs2] 
        Apr 17 20:21:00 002
            kernel: RSP: 0000:ffff8803f518ba58  EFLAGS: 00010283 
        Apr 17 20:21:00 002
            kernel: RAX: ffff88041447bda8 RBX: 0000000000000003 RCX:
            000000000db41094 
        Apr 17 20:21:00 002
            kernel: RDX: 000000000db41094 RSI: 000000000db21756 RDI:
            ffff880414cd5440 
        Apr 17 20:21:00 002 kernel: RBP:
          ffff8803f518bb18 R08: 0000000000000000 R09: 0000000000000000 
        Apr 17 20:21:00 002 kernel: R10:
          0000000000001000 R11: 0000000000000000 R12: ffff880414cd5000 
        Apr 17 20:21:00 002 kernel: R13:
          0000000000000000 R14: ffff8803f9e918c0 R15: ffff8803f518bb78 
        Apr 17 20:21:00 002 kernel: FS: 
          00007f6a7e8a27c0(0000) GS:ffff8800282c0000(0000)
          knlGS:0000000000000000 
        Apr 17 20:21:00 002 kernel: CS:  0010 DS:
          0000 ES: 0000 CR0: 0000000080050033 
        Apr 17 20:21:00 002 kernel: CR2:
          0000000000000060 CR3: 00000003f6313000 CR4: 00000000001407e0 
        Apr 17 20:21:00 002 kernel: DR0:
          0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 
        Apr 17 20:21:00 002 kernel: DR3:
          0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 
        Apr 17 20:21:00 002
            kernel: Process php-cgi (pid: 2839, threadinfo
            ffff8803f518a000, task ffff8803f5189540) 
        Apr 17 20:21:00 002
            kernel: Stack: 
        Apr 17 20:21:00 002
            kernel: ffff880411bfbcb0 ffffffffa04012d0 ffff8803f518ba78
            ffff88041518eb60 
        Apr 17 20:21:00 002
            kernel: <d> ffff880411bfbcb0 00000115a04012d0
            ffff8803f518ba98 ffff880414cd5000 
        Apr 17 20:21:00 002
            kernel: <d> ffff8803f518baf8 ffffffffa0402931
            ffff88041447bda8 0000000000000000 
        Apr 17 20:21:00 002
            kernel: Call Trace: 
        Apr 17 20:21:00 002
            kernel: [<ffffffffa04012d0>] ?
            gfs2_dirent_find_space+0x0/0x50 [gfs2] 
        Apr 17 20:21:00 002
            kernel: [<ffffffffa0402931>] ?
            gfs2_dirent_search+0x191/0x1a0 [gfs2] 
        Apr 17 20:21:00 002 kernel:
          [<ffffffffa041e041>] gfs2_rename+0x6b1/0x8c0 [gfs2] 
        Apr 17 20:21:00 002 kernel:
          [<ffffffffa041dab8>] ? gfs2_rename+0x128/0x8c0 [gfs2] 
        Apr 17 20:21:00 002 kernel:
          [<ffffffffa041dad6>] ? gfs2_rename+0x146/0x8c0 [gfs2] 
        Apr 17 20:21:00 002 kernel:
          [<ffffffffa041dafc>] ? gfs2_rename+0x16c/0x8c0 [gfs2] 
        Apr 17 20:21:00 002 kernel:
          [<ffffffffa040c44f>] ? gfs2_glock_put+0x3f/0x180 [gfs2] 
        Apr 17 20:21:00 002 kernel:
          [<ffffffffa040c8a3>] ? gfs2_holder_uninit+0x23/0x40
          [gfs2] 
        Apr 17 20:21:00 002 kernel:
          [<ffffffffa040da5e>] ? gfs2_glock_dq_uninit+0x1e/0x30
          [gfs2] 
        Apr 17 20:21:00 002 kernel:
          [<ffffffffa041c9dc>] ? gfs2_permission+0x9c/0x100 [gfs2] 
        Apr 17 20:21:00 002 kernel:
          [<ffffffffa041da65>] ? gfs2_rename+0xd5/0x8c0 [gfs2] 
        Apr 17 20:21:00 002 kernel:
          [<ffffffff8118ffdb>] vfs_rename+0x3ab/0x440 
        Apr 17 20:21:00 002 kernel:
          [<ffffffff81191d0a>] sys_renameat+0x1da/0x240 
        Apr 17 20:21:00 002 kernel:
          [<ffffffff81277495>] ? _atomic_dec_and_lock+0x55/0x80 
        Apr 17 20:21:00 002
            kernel: [<ffffffff81186874>] ? cp_new_stat+0xe4/0x100 
        Apr 17 20:21:00 002
            kernel: [<ffffffff81186c46>] ? sys_newstat+0x36/0x50 
        Apr 17 20:21:00 002
            kernel: [<ffffffff810dc8f7>] ?
            audit_syscall_entry+0x1d7/0x200 
        Apr 17 20:21:00 002 kernel:
          [<ffffffff81191d8b>] sys_rename+0x1b/0x20 
        Apr 17 20:21:00 002
            kernel: [<ffffffff8100b072>]
            system_call_fastpath+0x16/0x1b 
        Apr 17 20:21:00 002
            kernel: Code: 0f 84 c1 fc ff ff e9 41 fb ff ff 48 8b 4d 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 89 45 90 <49> 89 45 60 c7 45 9c 01 00
            00 00 48 8b 45 90 e9 01 fb ff ff 48  
        Apr 17 20:21:00 002
            kernel: RIP  [<ffffffffa04266ff>]
            gfs2_inplace_reserve+0x54f/0x7e0 [gfs2] 
        Apr 17 20:21:00 002
            kernel: RSP <ffff8803f518ba58> 
        Apr 17 20:21:00 002
            kernel: CR2: 0000000000000060 
        Apr 17 20:21:00 002
            kernel: ---[ end trace 1425fd0e2954015a ]--- 
           
           
        Apr 17 20:12:49 003
            kernel: BUG: unable to handle kernel NULL pointer
            dereference at 0000000000000060 
        Apr 17 20:12:49 003
            kernel: IP: [<ffffffffa04236ff>]
            gfs2_inplace_reserve+0x54f/0x7e0 [gfs2] 
        Apr 17 20:12:49 003
            kernel: PGD 3d96fc067 PUD 3d2c0a067 PMD 0  
        Apr 17 20:12:49 003
            kernel: Oops: 0002 [#1] SMP  
        Apr 17 20:12:49 003
            kernel: last sysfs file: /sys/kernel/dlm/b1/control 
        Apr 17 20:12:49 003
            kernel: CPU 1  
        Apr 17 20:12:49 003
            kernel: Modules linked in: gfs2 dlm configfs sg sd_mod
            crc_t10dif ib_iser rdma_cm ib_cm iw_cm ib_sa ib_mad ib_core
            ib_addr iscsi_tcp iptable_filter ip_tables ip6t_REJECT
            nf_conntrack_ipv6 nf_defrag_ipv6 xt_state nf_conntrack
            ip6table_filter ip6_tables serio_raw i2c_i801 i2c_core
            iTCO_wdt iTCO_vendor_support shpchp ahci video output e1000e
            dm_mirror dm_region_hash dm_log dm_mod nfs lockd fscache
            auth_rpcgss nfs_acl sunrpc be2iscsi bnx2i cnic uio ipv6
            cxgb4i cxgb4 cxgb3i libcxgbi cxgb3 mdio libiscsi_tcp qla4xxx
            iscsi_boot_sysfs libiscsi scsi_transport_iscsi [last
            unloaded: scsi_wait_scan] 
        Apr 17 20:12:49 003
            kernel:  
        Apr 17 20:12:49 003
            kernel: Pid: 3386, comm: php-cgi Not tainted
            2.6.32-358.2.1.el6.x86_64 #1 Supermicro
            X9SCL/X9SCM/X9SCL/X9SCM 
        Apr 17 20:12:49 003
            kernel: RIP: 0010:[<ffffffffa04236ff>] 
            [<ffffffffa04236ff>] gfs2_inplace_reserve+0x54f/0x7e0
            [gfs2] 
        Apr 17 20:12:49 003
            kernel: RSP: 0018:ffff8803d1c27a58  EFLAGS: 00010283 
        Apr 17 20:12:49 003 kernel: RAX:
          ffff880416771da8 RBX: 0000000000000003 RCX: 000000000db41094 
        Apr 17 20:12:49 003 kernel: RDX:
          000000000db41094 RSI: 000000000db21756 RDI: ffff88041277b440 
        Apr 17 20:12:49 003 kernel: RBP:
          ffff8803d1c27b18 R08: 0000000000000000 R09: 0000000000000000 
        Apr 17 20:12:49 003 kernel: R10:
          0000000000001000 R11: 0000000000000000 R12: ffff88041277b000 
        Apr 17 20:12:49 003 kernel: R13:
          0000000000000000 R14: ffff8803a9c181c0 R15: ffff8803d1c27b78 
        Apr 17 20:12:49 003 kernel: FS: 
          00007fd494d017c0(0000) GS:ffff880028240000(0000)
          knlGS:0000000000000000 
        Apr 17 20:12:49 003 kernel: CS:  0010 DS:
          0000 ES: 0000 CR0: 0000000080050033 
        Apr 17 20:12:49 003 kernel: CR2:
          0000000000000060 CR3: 00000003d170c000 CR4: 00000000001407e0 
        Apr 17 20:12:49 003 kernel: DR0:
          0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 
        Apr 17 20:12:49 003 kernel: DR3:
          0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 
        Apr 17 20:12:49 003
            kernel: Process php-cgi (pid: 3386, threadinfo
            ffff8803d1c26000, task ffff8803d1450080) 
        Apr 17 20:12:49 003
            kernel: Stack: 
        Apr 17 20:12:49 003
            kernel: ffff8803a9c2e270 ffffffffa03fe2d0 ffff8803d1c27a78
            ffff8803cee73800 
        Apr 17 20:12:49 003
            kernel: <d> ffff8803a9c2e270 00000115a03fe2d0
            ffff8803d1c27a98 ffff88041277b000 
        Apr 17 20:12:49 003 kernel: <d>
          ffff8803d1c27af8 ffffffffa03ff931 ffff880416771da8
          0000000000000000 
        Apr 17 20:12:49 003
            kernel: Call Trace: 
        Apr 17 20:12:49 003
            kernel: [<ffffffffa03fe2d0>] ?
            gfs2_dirent_find_space+0x0/0x50 [gfs2] 
        Apr 17 20:12:49 003
            kernel: [<ffffffffa03ff931>] ?
            gfs2_dirent_search+0x191/0x1a0 [gfs2] 
        Apr 17 20:12:49 003 kernel:
          [<ffffffffa041b041>] gfs2_rename+0x6b1/0x8c0 [gfs2] 
        Apr 17 20:12:49 003 kernel:
          [<ffffffffa041aab8>] ? gfs2_rename+0x128/0x8c0 [gfs2] 
        Apr 17 20:12:49 003 kernel:
          [<ffffffffa041aad6>] ? gfs2_rename+0x146/0x8c0 [gfs2] 
        Apr 17 20:12:49 003 kernel:
          [<ffffffffa041aafc>] ? gfs2_rename+0x16c/0x8c0 [gfs2] 
        Apr 17 20:12:49 003 kernel:
          [<ffffffffa040944f>] ? gfs2_glock_put+0x3f/0x180 [gfs2] 
        Apr 17 20:12:49 003 kernel:
          [<ffffffffa04098a3>] ? gfs2_holder_uninit+0x23/0x40
          [gfs2] 
        Apr 17 20:12:49 003 kernel:
          [<ffffffffa040aa5e>] ? gfs2_glock_dq_uninit+0x1e/0x30
          [gfs2] 
        Apr 17 20:12:49 003 kernel:
          [<ffffffffa04199dc>] ? gfs2_permission+0x9c/0x100 [gfs2] 
        Apr 17 20:12:49 003 kernel:
          [<ffffffffa041aa65>] ? gfs2_rename+0xd5/0x8c0 [gfs2] 
        Apr 17 20:12:49 003 kernel:
          [<ffffffff8118ffdb>] vfs_rename+0x3ab/0x440 
        Apr 17 20:12:49 003 kernel:
          [<ffffffff81191d0a>] sys_renameat+0x1da/0x240 
        Apr 17 20:12:49 003 kernel:
          [<ffffffff81277495>] ? _atomic_dec_and_lock+0x55/0x80 
        Apr 17 20:12:49 003
            kernel: [<ffffffff81186874>] ? cp_new_stat+0xe4/0x100 
        Apr 17 20:12:49 003
            kernel: [<ffffffff81186c46>] ? sys_newstat+0x36/0x50 
        Apr 17 20:12:49 003
            kernel: [<ffffffff810dc8f7>] ?
            audit_syscall_entry+0x1d7/0x200 
        Apr 17 20:12:49 003 kernel:
          [<ffffffff81191d8b>] sys_rename+0x1b/0x20 
        Apr 17 20:12:49 003
            kernel: [<ffffffff8100b072>]
            system_call_fastpath+0x16/0x1b 
        Apr 17 20:12:49 003
            kernel: Code: 0f 84 c1 fc ff ff e9 41 fb ff ff 48 8b 4d 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 89 45 90 <49> 89 45 60 c7 45 9c 01 00
            00 00 48 8b 45 90 e9 01 fb ff ff 48  
        Apr 17 20:12:49 003
            kernel: RIP  [<ffffffffa04236ff>]
            gfs2_inplace_reserve+0x54f/0x7e0 [gfs2] 
        Apr 17 20:12:49 003
            kernel: RSP <ffff8803d1c27a58> 
        Apr 17 20:12:49 003
            kernel: CR2: 0000000000000060 
        Apr 17 20:12:49 003
            kernel: ---[ end trace 06b117dc4fff0890 ]--- 
           
           
        The call trace looks for
            me kinda the same on all nodes and after we rebooted ALL 40
            nodes, the “bug” seems to be gone and the system is running
            fine right now. (it’s running 20 minutes now without
            rebooting, before that we had a reboot every half minute) 
           
        Do you know anything
            about that – how can we fix it? 
        It’s a webcluster and
            such crashes aren’t good. It should be online 24/7 but right
            now it doesn’t look that good. 
           
        Thanks in advance,
            Jürgen 
      
    
    -- 
Laurence Schuler (Larry)                       Laurence.Schuler@xxxxxxxx
Systems Support                                       ADNET Systems, Inc
Scientific Visualization Studio                 http://svs.gsfc.nasa.gov
NASA/Goddard Space Flight Center, Code 606.4       phone: 1-301-286-1799
Greenbelt, MD 20771                                  fax: 1-301-286-1634
Note: I am not a government employee and have no authority to obligate
any federal, state or local government to perform any action or payment.
  

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