Message-Id: <1156472449.5913.38.camel@keithlap>
Date:	Thu, 24 Aug 2006 19:20:49 -0700
From:	keith mannthey <kmannth@...ibm.com>
To:	lkml <linux-kernel@...r.kernel.org>
Cc:	andrew <akpm@...l.org>, Vivek goyal <vgoyal@...ibm.com>,
	Andi Kleen <ak@...e.de>
Subject: Re: [Bug] 2.6.18-rc4-mm2 panic in __unix_insert_socket x86_64

On Tue, 2006-08-22 at 17:39 -0700, keith mannthey wrote:
> Hello all,
>   Something from mm1 to mm2 brought this bug out. I didn't see any
> change in the unix socket code so I am not sure where to start. I am
> going to start bisecting patches. 2.6.18-rc4-mm1 was working as
> expected.  I have already stepped around afs and smp alternatives errors
> but I haven't seen any errors related to this posted yet.


Ok finally finished all the rebuilds/reboots needed find the trouble
patch.  What seems to be causing the problem is listed as 

Re-positioning the bss segment   or 
x86_64-mm-re-positioning-the-bss-segment.patch

It seems something is getting trampled.  Thoughts?

Thanks,
  Keith 

>  Any ideas?
> 
> Unable to handle kernel NULL pointer dereference at 0000000000000007
> RIP:
>  [<ffffffff803d45b0>] __unix_insert_socket+0x49/0x5a
> PGD 115c934067 PUD 115c935067 PMD 0
> Oops: 0002 [1] SMP
> last sysfs file:
> CPU 14
> Modules linked in:
> Pid: 1, comm: init Not tainted 2.6.18-rc4-mm2-smp #3
> RIP: 0010:[<ffffffff803d45b0>]  [<ffffffff803d45b0>]
> __unix_insert_socket+0x49/0x5a
> RSP: 0018:ffff810460605eb8  EFLAGS: 00010286
> RAX: ffffffffffffffff RBX: ffff81115c171c80 RCX: 0000000000000000
> RDX: ffff81115c171c88 RSI: ffff81115c171c80 RDI: ffffffff806656e0
> RBP: ffffffff806656e0 R08: ffff81115c069200 R09: ffff8110700b4000
> R10: 0000000000000000 R11: 0000000000000002 R12: ffff81115c170d00
> R13: 0000000000000001 R14: 0000000000000001 R15: 0000000000000000
> FS:  00002b793a4fd6d0(0000) GS:ffff81115c910e40(0000)
> knlGS:0000000000000000
> CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
> CR2: 0000000000000007 CR3: 000000115c92d000 CR4: 00000000000006e0
> Process init (pid: 1, threadinfo ffff810460604000, task
> ffff81115cb10040)
> Stack:  0000000100000001 00000000ffffffff ffff81115c171c80
> ffffffff803d58e9
>  ffffffff8045bb30 0000000180298f61 ffffffff80498080 0000000000000001
>  ffff81115c170d00 ffffffff803d595d 0000000000000004 ffffffff80376061
> Call Trace:
>  [<ffffffff803d58e9>] unix_create1+0xf3/0x107
>  [<ffffffff803d595d>] unix_create+0x60/0x6b
>  [<ffffffff80376061>] __sock_create+0x12f/0x227
>  [<ffffffff80376429>] sys_socket+0xf/0x37
>  [<ffffffff8020968e>] system_call+0x7e/0x83
> 
> 
> Code: 48 89 50 08 48 89 55 00 48 89 6a 08 41 58 5b 5d c3 c7 47 08
> RIP  [<ffffffff803d45b0>] __unix_insert_socket+0x49/0x5a
>  RSP <ffff810460605eb8>
> CR2: 0000000000000007
>  <0>Kernel panic - not syncing: Attempted to kill init!
> 
> 
> See full dmesg below. 
> 
> disabling early console
> Linux version 2.6.18-rc4-mm2-smp (root@...3a153) (gcc version 4.1.0
> (SUSE Linux)) #3 SMP Tue Aug 22 17:58:53 EDT 2006
> Command line: root=/dev/sda3
> ip=9.47.66.153:9.47.66.169:9.47.66.1:255.255.255.0 resume=/dev/sda2
> showopts earlyprintk=ttyS0,115200 console=ttyS0,115200 console=tty0
> debug
> BIOS-provided physical RAM map:
>  BIOS-e820: 0000000000000000 - 0000000000098400 (usable)
>  BIOS-e820: 0000000000098400 - 00000000000a0000 (reserved)
>  BIOS-e820: 00000000000e0000 - 0000000000100000 (reserved)
>  BIOS-e820: 0000000000100000 - 000000007ff85e00 (usable)
>  BIOS-e820: 000000007ff85e00 - 000000007ff98880 (ACPI data)
>  BIOS-e820: 000000007ff98880 - 0000000080000000 (reserved)
>  BIOS-e820: 00000000fec00000 - 0000000100000000 (reserved)
>  BIOS-e820: 0000000100000000 - 0000000470000000 (usable)
>  BIOS-e820: 0000001070000000 - 0000001160000000 (usable)
> DMI 2.3 present.
> ACPI: RSDP (v000 IBM                                   ) @
> 0x00000000000fdcf0
> ACPI: RSDT (v001 IBM    EXA01ZEU 0x00001000 IBM  0x45444f43) @
> 0x000000007ff98800
> ACPI: FADT (v001 IBM    EXA01ZEU 0x00001000 IBM  0x45444f43) @
> 0x000000007ff98780
> ACPI: MADT (v001 IBM    EXA01ZEU 0x00001000 IBM  0x45444f43) @
> 0x000000007ff98600
> ACPI: SRAT (v001 IBM    EXA01ZEU 0x00001000 IBM  0x45444f43) @
> 0x000000007ff983c0
> ACPI: HPET (v001 IBM    EXA01ZEU 0x00001000 IBM  0x45444f43) @
> 0x000000007ff98380
> ACPI: SSDT (v001 IBM    VIGSSDT0 0x00001000 INTL 0x20030122) @
> 0x000000007ff90780
> ACPI: SSDT (v001 IBM    VIGSSDT1 0x00001000 INTL 0x20030122) @
> 0x000000007ff88bc0
> ACPI: DSDT (v001 IBM    EXA01ZEU 0x00001000 INTL 0x20030122) @
> 0x0000000000000000
> SRAT: PXM 0 -> APIC 0 -> Node 0
> SRAT: PXM 0 -> APIC 1 -> Node 0
> SRAT: PXM 0 -> APIC 2 -> Node 0
> SRAT: PXM 0 -> APIC 3 -> Node 0
> SRAT: PXM 0 -> APIC 38 -> Node 0
> SRAT: PXM 0 -> APIC 39 -> Node 0
> SRAT: PXM 0 -> APIC 36 -> Node 0
> SRAT: PXM 0 -> APIC 37 -> Node 0
> SRAT: PXM 1 -> APIC 64 -> Node 1
> SRAT: PXM 1 -> APIC 65 -> Node 1
> SRAT: PXM 1 -> APIC 66 -> Node 1
> SRAT: PXM 1 -> APIC 67 -> Node 1
> SRAT: PXM 1 -> APIC 102 -> Node 1
> SRAT: PXM 1 -> APIC 103 -> Node 1
> SRAT: PXM 1 -> APIC 100 -> Node 1
> SRAT: PXM 1 -> APIC 101 -> Node 1
> SRAT: Node 0 PXM 0 0-80000000
> SRAT: Node 0 PXM 0 0-470000000
> SRAT: Node 1 PXM 1 1070000000-1160000000
> NUMA: Using 36 for the hash shift.
> Bootmem setup node 0 0000000000000000-0000000470000000
> Bootmem setup node 1 0000001070000000-0000001160000000
> On node 0 totalpages: 4063507
>   DMA zone: 2518 pages, LIFO batch:0
>   DMA32 zone: 505789 pages, LIFO batch:31
>   Normal zone: 3555200 pages, LIFO batch:31
> On node 1 totalpages: 969600
>   Normal zone: 969600 pages, LIFO batch:31
> ACPI: PM-Timer IO Port: 0x9c
> ACPI: Local APIC address 0xfee00000
> ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled)
> Processor #0 15:4 APIC version 20
> ACPI: LAPIC (acpi_id[0x01] lapic_id[0x01] enabled)
> Processor #1 15:4 APIC version 20
> ACPI: LAPIC (acpi_id[0x02] lapic_id[0x02] enabled)
> Processor #2 15:4 APIC version 20
> ACPI: LAPIC (acpi_id[0x03] lapic_id[0x03] enabled)
> Processor #3 15:4 APIC version 20
> ACPI: LAPIC (acpi_id[0x04] lapic_id[0x26] enabled)
> Processor #38 15:4 APIC version 20
> ACPI: LAPIC (acpi_id[0x05] lapic_id[0x27] enabled)
> Processor #39 15:4 APIC version 20
> ACPI: LAPIC (acpi_id[0x06] lapic_id[0x24] enabled)
> Processor #36 15:4 APIC version 20
> ACPI: LAPIC (acpi_id[0x07] lapic_id[0x25] enabled)
> Processor #37 15:4 APIC version 20
> ACPI: LAPIC (acpi_id[0x10] lapic_id[0x40] enabled)
> Processor #64 15:4 APIC version 20
> ACPI: LAPIC (acpi_id[0x11] lapic_id[0x41] enabled)
> Processor #65 15:4 APIC version 20
> ACPI: LAPIC (acpi_id[0x12] lapic_id[0x42] enabled)
> Processor #66 15:4 APIC version 20
> ACPI: LAPIC (acpi_id[0x13] lapic_id[0x43] enabled)
> Processor #67 15:4 APIC version 20
> ACPI: LAPIC (acpi_id[0x14] lapic_id[0x66] enabled)
> Processor #102 15:4 APIC version 20
> ACPI: LAPIC (acpi_id[0x15] lapic_id[0x67] enabled)
> Processor #103 15:4 APIC version 20
> ACPI: LAPIC (acpi_id[0x16] lapic_id[0x64] enabled)
> Processor #100 15:4 APIC version 20
> ACPI: LAPIC (acpi_id[0x17] lapic_id[0x65] enabled)
> Processor #101 15:4 APIC version 20
> ACPI: LAPIC_NMI (acpi_id[0x00] dfl dfl lint[0x1])
> ACPI: LAPIC_NMI (acpi_id[0x01] dfl dfl lint[0x1])
> ACPI: LAPIC_NMI (acpi_id[0x02] dfl dfl lint[0x1])
> ACPI: LAPIC_NMI (acpi_id[0x03] dfl dfl lint[0x1])
> ACPI: LAPIC_NMI (acpi_id[0x04] dfl dfl lint[0x1])
> ACPI: LAPIC_NMI (acpi_id[0x05] dfl dfl lint[0x1])
> ACPI: LAPIC_NMI (acpi_id[0x06] dfl dfl lint[0x1])
> ACPI: LAPIC_NMI (acpi_id[0x07] dfl dfl lint[0x1])
> ACPI: LAPIC_NMI (acpi_id[0x10] dfl dfl lint[0x1])
> ACPI: LAPIC_NMI (acpi_id[0x11] dfl dfl lint[0x1])
> ACPI: LAPIC_NMI (acpi_id[0x12] dfl dfl lint[0x1])
> ACPI: LAPIC_NMI (acpi_id[0x13] dfl dfl lint[0x1])
> ACPI: LAPIC_NMI (acpi_id[0x14] dfl dfl lint[0x1])
> ACPI: LAPIC_NMI (acpi_id[0x15] dfl dfl lint[0x1])
> ACPI: LAPIC_NMI (acpi_id[0x16] dfl dfl lint[0x1])
> ACPI: LAPIC_NMI (acpi_id[0x17] dfl dfl lint[0x1])
> ACPI: IOAPIC (id[0x0f] address[0xfec00000] gsi_base[0])
> IOAPIC[0]: apic_id 15, version 17, address 0xfec00000, GSI 0-35
> ACPI: IOAPIC (id[0x0e] address[0xfec01000] gsi_base[36])
> IOAPIC[1]: apic_id 14, version 17, address 0xfec01000, GSI 36-71
> ACPI: IOAPIC (id[0x0d] address[0xfec02000] gsi_base[72])
> IOAPIC[2]: apic_id 13, version 17, address 0xfec02000, GSI 72-107
> ACPI: IOAPIC (id[0x0c] address[0xfec03000] gsi_base[108])
> IOAPIC[3]: apic_id 12, version 17, address 0xfec03000, GSI 108-143
> ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
> ACPI: INT_SRC_OVR (bus 0 bus_irq 8 global_irq 8 low edge)
> ACPI: INT_SRC_OVR (bus 0 bus_irq 14 global_irq 14 low edge)
> ACPI: IRQ0 used by override.
> ACPI: IRQ2 used by override.
> ACPI: IRQ8 used by override.
> ACPI: IRQ9 used by override.
> ACPI: IRQ14 used by override.
> Setting APIC routing to clustered
> ACPI: HPET id: 0x10142201 base: 0xfde84000
> Using ACPI (MADT) for SMP configuration information
> Nosave address range: 0000000000098000 - 0000000000099000
> Nosave address range: 0000000000099000 - 00000000000a0000
> Nosave address range: 00000000000a0000 - 00000000000e0000
> Nosave address range: 00000000000e0000 - 0000000000100000
> Nosave address range: 000000007ff85000 - 000000007ff86000
> Nosave address range: 000000007ff86000 - 000000007ff98000
> Nosave address range: 000000007ff98000 - 000000007ff99000
> Nosave address range: 000000007ff99000 - 0000000080000000
> Nosave address range: 0000000080000000 - 00000000fec00000
> Nosave address range: 00000000fec00000 - 0000000100000000
> Nosave address range: 0000000470000000 - 0000001070000000
> Allocating PCI resources starting at 88000000 (gap: 80000000:7ec00000)
> SMP: Allowing 16 CPUs, 0 hotplug CPUs
> PERCPU: Allocating 49792 bytes of per cpu data
> Built 2 zonelists.  Total pages: 5033107
> Kernel command line: root=/dev/sda3
> ip=9.47.66.153:9.47.66.169:9.47.66.1:255.255.255.0 resume=/dev/sda2
> showopts earlyprintk=ttyS0,115200 console=ttyS0,115200 console=tty0
> debug
> Initializing CPU#0
> PID hash table entries: 4096 (order: 12, 32768 bytes)
> disabling early console
> Console: colour VGA+ 80x25
> Dentry cache hash table entries: 4194304 (order: 13, 33554432 bytes)
> Inode-cache hash table entries: 2097152 (order: 12, 16777216 bytes)
> Checking aperture...
> PCI-DMA: Using software bounce buffering for IO (SWIOTLB)
> Placing software IO TLB between 0x409d000 - 0x809d000
> Memory: 20013348k/72876032k available (1922k kernel code, 432976k
> reserved, 928k data, 184k init)
> Calibrating delay using timer specific routine.. 6011.54 BogoMIPS
> (lpj=12023094)Security Framework v1.0.0 initialized
> Mount-cache hash table entries: 256
> CPU: Trace cache: 12K uops, L1 D cache: 16K
> CPU: L2 cache: 2048K
> CPU 0/0 -> Node 0
> using mwait in idle threads.
> CPU: Physical Processor ID: 0
> CPU: Processor Core ID: 0
> CPU0: Thermal monitoring enabled (TM1)
> SMP alternatives: switching to UP code
> ACPI: Core revision 20060707
> ..MP-BIOS bug: 8254 timer not connected to IO-APIC
> Using local APIC timer interrupts.
> result 10425670
> Detected 10.425 MHz APIC timer.
> SMP alternatives: switching to SMP code
> Booting processor 1/16 APIC 0x1
> Initializing CPU#1
> Calibrating delay using timer specific routine.. 6005.42 BogoMIPS
> (lpj=12010849)CPU: Trace cache: 12K uops, L1 D cache: 16K
> CPU: L2 cache: 2048K
> CPU 1/1 -> Node 0
> CPU: Physical Processor ID: 0
> CPU: Processor Core ID: 0
> CPU1: Thermal monitoring enabled (TM1)
>                    Genuine Intel(R) CPU 3.00GHz stepping 08
> CPU 1: Syncing TSC to CPU 0.
> CPU 1: synchronized TSC with CPU 0 (last diff -103 cycles, maxerr 936
> cycles)
> SMP alternatives: switching to SMP code
> Booting processor 2/16 APIC 0x2
> Initializing CPU#2
> Calibrating delay using timer specific routine.. 6005.62 BogoMIPS
> (lpj=12011251)CPU: Trace cache: 12K uops, L1 D cache: 16K
> CPU: L2 cache: 2048K
> CPU 2/2 -> Node 0
> CPU: Physical Processor ID: 0
> CPU: Processor Core ID: 1
> CPU2: Thermal monitoring enabled (TM1)
>                    Genuine Intel(R) CPU 3.00GHz stepping 08
> CPU 2: Syncing TSC to CPU 0.
> CPU 2: synchronized TSC with CPU 0 (last diff 90 cycles, maxerr 1620
> cycles)
> SMP alternatives: switching to SMP code
> Booting processor 3/16 APIC 0x3
> Initializing CPU#3
> Calibrating delay using timer specific routine.. 6005.69 BogoMIPS
> (lpj=12011390)CPU: Trace cache: 12K uops, L1 D cache: 16K
> CPU: L2 cache: 2048K
> CPU 3/3 -> Node 0
> CPU: Physical Processor ID: 0
> CPU: Processor Core ID: 1
> CPU3: Thermal monitoring enabled (TM1)
>                    Genuine Intel(R) CPU 3.00GHz stepping 08
> CPU 3: Syncing TSC to CPU 0.
> CPU 3: synchronized TSC with CPU 0 (last diff 40 cycles, maxerr 1611
> cycles)
> SMP alternatives: switching to SMP code
> Booting processor 4/16 APIC 0x26
> Initializing CPU#4
> Calibrating delay using timer specific routine.. 6005.56 BogoMIPS
> (lpj=12011139)CPU: Trace cache: 12K uops, L1 D cache: 16K
> CPU: L2 cache: 2048K
> CPU 4/26 -> Node 0
> CPU: Physical Processor ID: 9
> CPU: Processor Core ID: 1
> CPU4: Thermal monitoring enabled (TM1)
>                    Genuine Intel(R) CPU 3.00GHz stepping 08
> CPU 4: Syncing TSC to CPU 0.
> CPU 4: synchronized TSC with CPU 0 (last diff -23 cycles, maxerr 1593
> cycles)
> SMP alternatives: switching to SMP code
> Booting processor 5/16 APIC 0x27
> Initializing CPU#5
> Calibrating delay using timer specific routine.. 6005.64 BogoMIPS
> (lpj=12011290)CPU: Trace cache: 12K uops, L1 D cache: 16K
> CPU: L2 cache: 2048K
> CPU 5/27 -> Node 0
> CPU: Physical Processor ID: 9
> CPU: Processor Core ID: 1
> CPU5: Thermal monitoring enabled (TM1)
>                    Genuine Intel(R) CPU 3.00GHz stepping 08
> CPU 5: Syncing TSC to CPU 0.
> CPU 5: synchronized TSC with CPU 0 (last diff 72 cycles, maxerr 1584
> cycles)
> SMP alternatives: switching to SMP code
> Booting processor 6/16 APIC 0x24
> Initializing CPU#6
> Calibrating delay using timer specific routine.. 6005.71 BogoMIPS
> (lpj=12011431)CPU: Trace cache: 12K uops, L1 D cache: 16K
> CPU: L2 cache: 2048K
> CPU 6/24 -> Node 0
> CPU: Physical Processor ID: 9
> CPU: Processor Core ID: 0
> CPU6: Thermal monitoring enabled (TM1)
>                    Genuine Intel(R) CPU 3.00GHz stepping 08
> CPU 6: Syncing TSC to CPU 0.
> CPU 6: synchronized TSC with CPU 0 (last diff 40 cycles, maxerr 1593
> cycles)
> SMP alternatives: switching to SMP code
> Booting processor 7/16 APIC 0x25
> Initializing CPU#7
> Calibrating delay using timer specific routine.. 6005.73 BogoMIPS
> (lpj=12011473)CPU: Trace cache: 12K uops, L1 D cache: 16K
> CPU: L2 cache: 2048K
> CPU 7/25 -> Node 0
> CPU: Physical Processor ID: 9
> CPU: Processor Core ID: 0
> CPU7: Thermal monitoring enabled (TM1)
>                    Genuine Intel(R) CPU 3.00GHz stepping 08
> CPU 7: Syncing TSC to CPU 0.
> CPU 7: synchronized TSC with CPU 0 (last diff 144 cycles, maxerr 1782
> cycles)
> SMP alternatives: switching to SMP code
> Booting processor 8/16 APIC 0x40
> Initializing CPU#8
> Calibrating delay using timer specific routine.. 6005.91 BogoMIPS
> (lpj=12011838)CPU: Trace cache: 12K uops, L1 D cache: 16K
> CPU: L2 cache: 2048K
> CPU 8/40 -> Node 1
> CPU: Physical Processor ID: 16
> CPU: Processor Core ID: 0
> CPU8: Thermal monitoring enabled (TM1)
>                    Genuine Intel(R) CPU 3.00GHz stepping 08
> CPU 8: Syncing TSC to CPU 0.
> CPU 8: synchronized TSC with CPU 0 (last diff 102 cycles, maxerr 4356
> cycles)
> SMP alternatives: switching to SMP code
> Booting processor 9/16 APIC 0x41
> Initializing CPU#9
> Calibrating delay using timer specific routine.. 6005.99 BogoMIPS
> (lpj=12011998)CPU: Trace cache: 12K uops, L1 D cache: 16K
> CPU: L2 cache: 2048K
> CPU 9/41 -> Node 1
> CPU: Physical Processor ID: 16
> CPU: Processor Core ID: 0
> CPU9: Thermal monitoring enabled (TM1)
>                    Genuine Intel(R) CPU 3.00GHz stepping 08
> CPU 9: Syncing TSC to CPU 0.
> CPU 9: synchronized TSC with CPU 0 (last diff 283 cycles, maxerr 4275
> cycles)
> SMP alternatives: switching to SMP code
> Booting processor 10/16 APIC 0x42
> Initializing CPU#10
> Calibrating delay using timer specific routine.. 6005.76 BogoMIPS
> (lpj=12011532)CPU: Trace cache: 12K uops, L1 D cache: 16K
> CPU: L2 cache: 2048K
> CPU 10/42 -> Node 1
> CPU: Physical Processor ID: 16
> CPU: Processor Core ID: 1
> CPU10: Thermal monitoring enabled (TM1)
>                    Genuine Intel(R) CPU 3.00GHz stepping 08
> CPU 10: Syncing TSC to CPU 0.
> CPU 10: synchronized TSC with CPU 0 (last diff 272 cycles, maxerr 4338
> cycles)
> SMP alternatives: switching to SMP code
> Booting processor 11/16 APIC 0x43
> Initializing CPU#11
> Calibrating delay using timer specific routine.. 6005.85 BogoMIPS
> (lpj=12011702)CPU: Trace cache: 12K uops, L1 D cache: 16K
> CPU: L2 cache: 2048K
> CPU 11/43 -> Node 1
> CPU: Physical Processor ID: 16
> CPU: Processor Core ID: 1
> CPU11: Thermal monitoring enabled (TM1)
>                    Genuine Intel(R) CPU 3.00GHz stepping 08
> CPU 11: Syncing TSC to CPU 0.
> CPU 11: synchronized TSC with CPU 0 (last diff 125 cycles, maxerr 4716
> cycles)
> SMP alternatives: switching to SMP code
> Booting processor 12/16 APIC 0x66
> Initializing CPU#12
> Calibrating delay using timer specific routine.. 6005.93 BogoMIPS
> (lpj=12011875)CPU: Trace cache: 12K uops, L1 D cache: 16K
> CPU: L2 cache: 2048K
> CPU 12/66 -> Node 1
> CPU: Physical Processor ID: 25
> CPU: Processor Core ID: 1
> CPU12: Thermal monitoring enabled (TM1)
>                    Genuine Intel(R) CPU 3.00GHz stepping 08
> CPU 12: Syncing TSC to CPU 0.
> CPU 12: synchronized TSC with CPU 0 (last diff -14 cycles, maxerr 4689
> cycles)
> SMP alternatives: switching to SMP code
> Booting processor 13/16 APIC 0x67
> Initializing CPU#13
> Calibrating delay using timer specific routine.. 6006.06 BogoMIPS
> (lpj=12012123)CPU: Trace cache: 12K uops, L1 D cache: 16K
> CPU: L2 cache: 2048K
> CPU 13/67 -> Node 1
> CPU: Physical Processor ID: 25
> CPU: Processor Core ID: 1
> CPU13: Thermal monitoring enabled (TM1)
>                    Genuine Intel(R) CPU 3.00GHz stepping 08
> CPU 13: Syncing TSC to CPU 0.
> CPU 13: synchronized TSC with CPU 0 (last diff 110 cycles, maxerr 4725
> cycles)
> SMP alternatives: switching to SMP code
> Booting processor 14/16 APIC 0x64
> Initializing CPU#14
> Calibrating delay using timer specific routine.. 6005.67 BogoMIPS
> (lpj=12011349)CPU: Trace cache: 12K uops, L1 D cache: 16K
> CPU: L2 cache: 2048K
> CPU 14/64 -> Node 1
> CPU: Physical Processor ID: 25
> CPU: Processor Core ID: 0
> CPU14: Thermal monitoring enabled (TM1)
>                    Genuine Intel(R) CPU 3.00GHz stepping 08
> CPU 14: Syncing TSC to CPU 0.
> CPU 14: synchronized TSC with CPU 0 (last diff 64 cycles, maxerr 4698
> cycles)
> SMP alternatives: switching to SMP code
> Booting processor 15/16 APIC 0x65
> Initializing CPU#15
> Calibrating delay using timer specific routine.. 6005.80 BogoMIPS
> (lpj=12011600)CPU: Trace cache: 12K uops, L1 D cache: 16K
> CPU: L2 cache: 2048K
> CPU 15/65 -> Node 1
> CPU: Physical Processor ID: 25
> CPU: Processor Core ID: 0
> CPU15: Thermal monitoring enabled (TM1)
>                    Genuine Intel(R) CPU 3.00GHz stepping 08
> CPU 15: Syncing TSC to CPU 0.
> CPU 15: synchronized TSC with CPU 0 (last diff 275 cycles, maxerr 4356
> cycles)
> Brought up 16 CPUs
> testing NMI watchdog ... OK.
> time.c: Using 333.333333 MHz WALL PIT GTOD PIT/HPET timer.
> time.c: Detected 3002.613 MHz processor.
> migration_cost=15,1006,15011
> checking if image is initramfs... it is
> Freeing initrd memory: 2769k freed
> NET: Registered protocol family 16
> ACPI: bus type pci registered
> PCI: Using configuration type 1
> ACPI: Interpreter enabled
> ACPI: Using IOAPIC for interrupt routing
> ACPI: PCI Root Bridge [VP00] (0000:00)
> PCI: Probing PCI hardware (bus 00)
> Boot video device is 0000:00:01.0
> PCI: Ignoring BAR0-3 of IDE controller 0000:00:0f.1
> ACPI: PCI Interrupt Routing Table [\_SB_.VP00._PRT]
> ACPI: PCI Root Bridge [VP01] (0000:01)
> PCI: Probing PCI hardware (bus 01)
> ACPI: PCI Interrupt Routing Table [\_SB_.VP01._PRT]
> ACPI: PCI Root Bridge [VP02] (0000:02)
> PCI: Probing PCI hardware (bus 02)
> ACPI: PCI Interrupt Routing Table [\_SB_.VP02._PRT]
> ACPI: PCI Root Bridge [VP03] (0000:04)
> PCI: Probing PCI hardware (bus 04)
> ACPI: PCI Interrupt Routing Table [\_SB_.VP03._PRT]
> ACPI: PCI Root Bridge [VP04] (0000:06)
> PCI: Probing PCI hardware (bus 06)
> ACPI: PCI Interrupt Routing Table [\_SB_.VP04._PRT]
> ACPI: PCI Root Bridge [VP05] (0000:08)
> PCI: Probing PCI hardware (bus 08)
> ACPI: PCI Interrupt Routing Table [\_SB_.VP05._PRT]
> ACPI: PCI Root Bridge [VP06] (0000:0a)
> PCI: Probing PCI hardware (bus 0a)
> ACPI: PCI Interrupt Routing Table [\_SB_.VP06._PRT]
> ACPI: PCI Root Bridge [VP07] (0000:0c)
> PCI: Probing PCI hardware (bus 0c)
> ACPI: PCI Interrupt Routing Table [\_SB_.VP07._PRT]
> ACPI: PCI Root Bridge [VP10] (0000:0e)
> PCI: Probing PCI hardware (bus 0e)
> ACPI: PCI Interrupt Routing Table [\_SB_.VP10._PRT]
> ACPI: PCI Root Bridge [VP11] (0000:0f)
> PCI: Probing PCI hardware (bus 0f)
> ACPI: PCI Interrupt Routing Table [\_SB_.VP11._PRT]
> ACPI: PCI Root Bridge [VP12] (0000:10)
> PCI: Probing PCI hardware (bus 10)
> ACPI: PCI Interrupt Routing Table [\_SB_.VP12._PRT]
> ACPI: PCI Root Bridge [VP13] (0000:12)
> PCI: Probing PCI hardware (bus 12)
> ACPI: PCI Interrupt Routing Table [\_SB_.VP13._PRT]
> ACPI: PCI Root Bridge [VP14] (0000:14)
> PCI: Probing PCI hardware (bus 14)
> ACPI: PCI Interrupt Routing Table [\_SB_.VP14._PRT]
> ACPI: PCI Root Bridge [VP15] (0000:16)
> PCI: Probing PCI hardware (bus 16)
> ACPI: PCI Interrupt Routing Table [\_SB_.VP15._PRT]
> ACPI: PCI Root Bridge [VP16] (0000:18)
> PCI: Probing PCI hardware (bus 18)
> ACPI: PCI Interrupt Routing Table [\_SB_.VP16._PRT]
> ACPI: PCI Root Bridge [VP17] (0000:1a)
> PCI: Probing PCI hardware (bus 1a)
> ACPI: PCI Interrupt Routing Table [\_SB_.VP17._PRT]
> PCI: Using ACPI for IRQ routing
> PCI: If a device doesn't work, try "pci=routeirq".  If it helps, post a
> report
> hpet0: at MMIO 0xfde84000, IRQs 2, 8, 0
> hpet0: 3 64-bit timers, 3707069 Hz
> PCI-GART: No AMD northbridge found.
> NET: Registered protocol family 2
> IP route cache hash table entries: 524288 (order: 10, 4194304 bytes)
> TCP established hash table entries: 262144 (order: 10, 4194304 bytes)
> TCP bind hash table entries: 65536 (order: 8, 1048576 bytes)
> TCP: Hash tables configured (established 262144 bind 65536)
> TCP reno registered
> audit: initializing netlink socket (disabled)
> audit(1156286435.128:1): initialized
> Total HugeTLB memory allocated, 0
> VFS: Disk quotas dquot_6.5.1
> Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
> io scheduler noop registered
> io scheduler anticipatory registered
> io scheduler deadline registered
> io scheduler cfq registered (default)
> Hotplug Mem Device
> System RAM resource 400000000 - 46fffffff cannot be added
> System RAM resource 380000000 - 3ffffffff cannot be added
> System RAM resource 300000000 - 37fffffff cannot be added
> System RAM resource 280000000 - 2ffffffff cannot be added
> System RAM resource 200000000 - 27fffffff cannot be added
> System RAM resource 180000000 - 1ffffffff cannot be added
> System RAM resource 100000000 - 17fffffff cannot be added
> System RAM resource 100000 - 7fffffff cannot be added
> ACPI: add_memory failed
> Hotplug Mem Device
> System RAM resource 10f0000000 - 115fffffff cannot be added
> System RAM resource 1070000000 - 10efffffff cannot be added
> ACPI: add_memory failed
> Real Time Clock Driver v1.12ac
> Non-volatile memory driver v1.2
> Linux agpgart interface v0.101 (c) Dave Jones
> Serial: 8250/16550 driver $Revision: 1.90 $ 4 ports, IRQ sharing
> disabled
> serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
> serial8250: ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A
> RAMDISK driver initialized: 16 RAM disks of 128000K size 1024 blocksize
> serio: i8042 AUX port at 0x60,0x64 irq 12
> serio: i8042 KBD port at 0x60,0x64 irq 1
> mice: PS/2 mouse device common for all mice
> input: PC Speaker as /class/input/input0
> input: AT Translated Set 2 keyboard as /class/input/input1
> md: md driver 0.90.3 MAX_MD_DEVS=256, MD_SB_DISKS=27
> md: bitmap version 4.39
> NET: Registered protocol family 1
> ACPI: (supports S0 S5)
> input: ImExPS/2 Generic Explorer Mouse as /class/input/input2
> IP-Config: No network devices available.
> Freeing unused kernel memory: 184k freed
> Unable to handle kernel NULL pointer dereference at 0000000000000007
> RIP:
>  [<ffffffff803d45b0>] __unix_insert_socket+0x49/0x5a
> PGD 115c934067 PUD 115c935067 PMD 0
> Oops: 0002 [1] SMP
> last sysfs file:
> CPU 14
> Modules linked in:
> Pid: 1, comm: init Not tainted 2.6.18-rc4-mm2-smp #3
> RIP: 0010:[<ffffffff803d45b0>]  [<ffffffff803d45b0>]
> __unix_insert_socket+0x49/0x5a
> RSP: 0018:ffff810460605eb8  EFLAGS: 00010286
> RAX: ffffffffffffffff RBX: ffff81115c171c80 RCX: 0000000000000000
> RDX: ffff81115c171c88 RSI: ffff81115c171c80 RDI: ffffffff806656e0
> RBP: ffffffff806656e0 R08: ffff81115c069200 R09: ffff8110700b4000
> R10: 0000000000000000 R11: 0000000000000002 R12: ffff81115c170d00
> R13: 0000000000000001 R14: 0000000000000001 R15: 0000000000000000
> FS:  00002b793a4fd6d0(0000) GS:ffff81115c910e40(0000)
> knlGS:0000000000000000
> CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
> CR2: 0000000000000007 CR3: 000000115c92d000 CR4: 00000000000006e0
> Process init (pid: 1, threadinfo ffff810460604000, task
> ffff81115cb10040)
> Stack:  0000000100000001 00000000ffffffff ffff81115c171c80
> ffffffff803d58e9
>  ffffffff8045bb30 0000000180298f61 ffffffff80498080 0000000000000001
>  ffff81115c170d00 ffffffff803d595d 0000000000000004 ffffffff80376061
> Call Trace:
>  [<ffffffff803d58e9>] unix_create1+0xf3/0x107
>  [<ffffffff803d595d>] unix_create+0x60/0x6b
>  [<ffffffff80376061>] __sock_create+0x12f/0x227
>  [<ffffffff80376429>] sys_socket+0xf/0x37
>  [<ffffffff8020968e>] system_call+0x7e/0x83
> 
> 
> Code: 48 89 50 08 48 89 55 00 48 89 6a 08 41 58 5b 5d c3 c7 47 08
> RIP  [<ffffffff803d45b0>] __unix_insert_socket+0x49/0x5a
>  RSP <ffff810460605eb8>
> CR2: 0000000000000007
>  <0>Kernel panic - not syncing: Attempted to kill init!
> 
-- 
keith mannthey <kmannth@...ibm.com>
Linux Technology Center IBM

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