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<TITLE>kernel BUG at include/asm/spinlock.h:146!</TITLE>
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<P><FONT SIZE=2 FACE="Arial">Hi,</FONT>
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<P><FONT SIZE=2 FACE="Arial">I have a 3 node cluster on Firewire, and got this kernel BUG in the /var/log/messages file. It seems suggest Oracle ASM introduces a kernel bug. Is this true? After this error, my cluster failed miserably.</FONT></P>
<P><FONT SIZE=2 FACE="Arial">The environment is: Redhat AS 4 kernel 2.6.9-11 ELsmp</FONT>
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<P><FONT SIZE=2 FACE="Arial">ASM installed: oracleasm-2.6.9-11.ELsmp-2.0.0-1</FONT>
<BR> <FONT SIZE=2 FACE="Arial">oracleasmlib-2.0.0-1</FONT>
<BR> <FONT SIZE=2 FACE="Arial">oracleasm-support-2.0.0-1</FONT>
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<P><FONT SIZE=2 FACE="Arial">Firewire rpm installed: oracle-firewire-modules-2.6.9-11.ELsmp-1286-1</FONT>
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<P><FONT SIZE=2 FACE="Arial">Here is the full text of the error in the /var/log/messages:</FONT>
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<P><FONT SIZE=2 FACE="Arial">Aug 25 02:05:58 melclul14 kernel: ieee1394: sbp2: aborting sbp2 command</FONT>
<BR><FONT SIZE=2 FACE="Arial">Aug 25 02:05:58 melclul14 kernel: scsi2 : destination target 0, lun 0</FONT>
<BR><FONT SIZE=2 FACE="Arial">Aug 25 02:05:58 melclul14 kernel: command = Read (10) 00 0e 28 79 33 00 00 a0 00</FONT>
<BR><FONT SIZE=2 FACE="Arial">Aug 25 02:05:58 melclul14 kernel: eip: f8a58261</FONT>
<BR><FONT SIZE=2 FACE="Arial">Aug 25 02:05:58 melclul14 kernel: ------------[ cut here ]------------</FONT>
<BR><FONT SIZE=2 FACE="Arial">Aug 25 02:05:58 melclul14 kernel: kernel BUG at include/asm/spinlock.h:146!</FONT>
<BR><FONT SIZE=2 FACE="Arial">Aug 25 02:05:58 melclul14 kernel: invalid operand: 0000 [#1]</FONT>
<BR><FONT SIZE=2 FACE="Arial">Aug 25 02:05:58 melclul14 kernel: SMP</FONT>
<BR><FONT SIZE=2 FACE="Arial">Aug 25 02:05:58 melclul14 kernel: Modules linked in: oracleasm(U) parport_pc lp parport autofs4 i2c_dev i2c_core sunrpc dm_mod button battery ac sbp2(U) md5 ipv6 ohci1394(U) ieee1394(U) uhci_hcd ehci_hcd hw_random e1000 e100 mii ext3 jbd ata_piix libata sd_mod scsi_mod</FONT></P>
<P><FONT SIZE=2 FACE="Arial">Aug 25 02:05:58 melclul14 kernel: CPU: 0</FONT>
<BR><FONT SIZE=2 FACE="Arial">Aug 25 02:05:58 melclul14 kernel: EIP: 0060:[<c02c5fa5>] Not tainted VLI</FONT>
<BR><FONT SIZE=2 FACE="Arial">Aug 25 02:05:58 melclul14 kernel: EFLAGS: 00010046 (2.6.9-11.ELsmp)</FONT>
<BR><FONT SIZE=2 FACE="Arial">Aug 25 02:05:58 melclul14 kernel: EIP is at _spin_lock_irqsave+0x20/0x45</FONT>
<BR><FONT SIZE=2 FACE="Arial">Aug 25 02:05:58 melclul14 kernel: eax: f8a58261 ebx: 00000082 ecx: c02d972a edx: c02d972a</FONT>
<BR><FONT SIZE=2 FACE="Arial">Aug 25 02:05:58 melclul14 kernel: esi: c21f4924 edi: c22b2500 ebp: f751dfa4 esp: f751df50</FONT>
<BR><FONT SIZE=2 FACE="Arial">Aug 25 02:05:58 melclul14 kernel: ds: 007b es: 007b ss: 0068</FONT>
<BR><FONT SIZE=2 FACE="Arial">Aug 25 02:05:58 melclul14 kernel: Process scsi_eh_2 (pid: 1492, threadinfo=f751d000 task=c22f8cb0)</FONT>
<BR><FONT SIZE=2 FACE="Arial">Aug 25 02:05:58 melclul14 kernel: Stack: c22b2500 c21f4880 f8a58261 c22b2500 c21f4880 c22b2500 f8a5a4d4 c22b2500</FONT>
<BR><FONT SIZE=2 FACE="Arial">Aug 25 02:05:58 melclul14 kernel: 00000202 f88470c1 c22b2500 f751dfac c22b2698 f88471f3 f7499048 f7499000</FONT>
<BR><FONT SIZE=2 FACE="Arial">Aug 25 02:05:58 melclul14 kernel: 00000296 f751dfac f8847dc6 f7499000 f8844d60 f751dfa4 f751dfa4 c22b2518</FONT>
<BR><FONT SIZE=2 FACE="Arial">Aug 25 02:05:58 melclul14 kernel: Call Trace:</FONT>
<BR><FONT SIZE=2 FACE="Arial">Aug 25 02:05:58 melclul14 kernel: [<f8a58261>] sbp2util_find_command_for_SCpnt+0x12/0x6a [sbp2]</FONT>
<BR><FONT SIZE=2 FACE="Arial">Aug 25 02:05:58 melclul14 kernel: [<f8a5a4d4>] sbp2scsi_abort+0x2e/0x7a [sbp2]</FONT>
<BR><FONT SIZE=2 FACE="Arial">Aug 25 02:05:58 melclul14 kernel: [<f88470c1>] scsi_try_to_abort_cmd+0x3f/0x58 [scsi_mod]</FONT>
<BR><FONT SIZE=2 FACE="Arial">Aug 25 02:05:58 melclul14 kernel: [<f88471f3>] scsi_eh_abort_cmds+0x52/0xbc [scsi_mod]</FONT>
<BR><FONT SIZE=2 FACE="Arial">Aug 25 02:05:58 melclul14 kernel: [<f8847dc6>] scsi_unjam_host+0x147/0x16b [scsi_mod]</FONT>
<BR><FONT SIZE=2 FACE="Arial">Aug 25 02:05:58 melclul14 kernel: [<f8844d60>] __scsi_iterate_devices+0x50/0x58 [scsi_mod]</FONT>
<BR><FONT SIZE=2 FACE="Arial">Aug 25 02:05:58 melclul14 kernel: [<f8847efc>] scsi_error_handler+0x112/0x15a [scsi_mod]</FONT>
<BR><FONT SIZE=2 FACE="Arial">Aug 25 02:05:58 melclul14 kernel: [<f8847dea>] scsi_error_handler+0x0/0x15a [scsi_mod]</FONT>
<BR><FONT SIZE=2 FACE="Arial">Aug 25 02:05:58 melclul14 kernel: [<c01041f1>] kernel_thread_helper+0x5/0xb</FONT>
<BR><FONT SIZE=2 FACE="Arial">Aug 25 02:05:58 melclul14 kernel: Code: 81 00 00 00 00 01 c3 f0 ff 00 c3 56 89 c6 53 9c 5b fa 81 78 04 ad 4e ad de 74 18 ff 74 24 08 68 2a 97 2d c0 e8 33 ba e5 ff 59 58 <0f> 0b 92 00 4f 88 2d c0 f0 fe 0e 79 13 f7 c3 00 02 00 00 74 01</FONT></P>
<P><FONT SIZE=2 FACE="Arial">Aug 25 02:05:58 melclul14 kernel: <0>Fatal exception: panic in 5 seconds</FONT>
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<P><FONT SIZE=2 FACE="Arial">Cheers.</FONT>
<BR><FONT SIZE=2 FACE="Arial">Han</FONT>
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