* Ingo Molnar <mingo@xxxxxxx> [2008-12-28 13:55:10]: > > * Kamalesh Babulal <kamalesh@xxxxxxxxxxxxxxxxxx> wrote: > > > Hi Ingo, > > > > kernel still crashes, with the updated patch. > > hm, i thought we got all bugs fixed - could you try latest tip/master: > > http://people.redhat.com/mingo/tip.git/README > > does it still crash in the same way? (if yes then please attach the new > crashlog if it's easy to do) > > Thanks, > > Ingo Hi Ingo/Yinghai, I tried today's tip/master against 2.6.28, the kernel still crashes at boot up. root (hd0,0) Filesystem type is ext2fs, partition type 0x83 kernel /vmlinuz-autotest root=/dev/mapper/VolGroup00-LogVol00 ro console=tty0 c onsole=ttyS1,19200 selinux=no debug nmi_watchdog=1 unknown_nmi_panic=1 initcall _debug earlyprintk=serial,ttyS1,19200 IDENT=1230478484 [Linux-bzImage, setup=0x3000, size=0x276670] initrd /initrd-autotest [Linux-initrd @ 0x37e5f000, 0x19097f bytes] Linux version 2.6.28-autotest-tip (root@xxxxxxxxxxxxxxxxxxxxxxxxx) (gcc version 4.1.1 20060525 (Red Hat 4.1.1-1)) #1 SMP Sun Dec 28 09:27:57 CST 2008 Command line: root=/dev/mapper/VolGroup00-LogVol00 ro console=tty0 console=ttyS1,19200 selinux=no debug nmi_watchdog=1 unknown_nmi_panic=1 initcall_debug earlyprintk=serial,ttyS1,19200 IDENT=1230478484 KERNEL supported cpus: Intel GenuineIntel AMD AuthenticAMD Centaur CentaurHauls BIOS-provided physical RAM map: BIOS-e820: 0000000000000000 - 000000000009d400 (usable) BIOS-e820: 000000000009d400 - 00000000000a0000 (reserved) BIOS-e820: 00000000000e0000 - 0000000000100000 (reserved) BIOS-e820: 0000000000100000 - 000000003ffcddc0 (usable) BIOS-e820: 000000003ffcddc0 - 000000003ffd0000 (ACPI data) BIOS-e820: 000000003ffd0000 - 0000000040000000 (reserved) BIOS-e820: 00000000fec00000 - 0000000100000000 (reserved) console [earlyser0] enabled DMI 2.3 present. last_pfn = 0x3ffcd max_arch_pfn = 0x100000000 init_memory_mapping: 0000000000000000-000000003ffcd000 0000000000 - 003fe00000 page 2M 003fe00000 - 003ffcd000 page 4k kernel direct mapping tables up to 3ffcd000 @ 8000-b000 last_map_addr: 3ffcd000 end: 3ffcd000 RAMDISK: 37e5f000 - 37fef97f ACPI: RSDP 000FDFC0, 0014 (r0 IBM ) ACPI: RSDT 3FFCFF80, 0034 (r1 IBM SERBLADE 1000 IBM 45444F43) ACPI: FACP 3FFCFEC0, 0084 (r2 IBM SERBLADE 1000 IBM 45444F43) ACPI: DSDT 3FFCDDC0, 1EA6 (r1 IBM SERBLADE 1000 INTL 2002025) ACPI: FACS 3FFCFCC0, 0040 ACPI: APIC 3FFCFE00, 009C (r1 IBM SERBLADE 1000 IBM 45444F43) ACPI: SRAT 3FFCFD40, 0098 (r1 IBM SERBLADE 1000 IBM 45444F43) ACPI: HPET 3FFCFD00, 0038 (r1 IBM SERBLADE 1000 IBM 45444F43) ACPI: Local APIC address 0xfee00000 SRAT: PXM 0 -> APIC 0 -> Node 0 SRAT: PXM 0 -> APIC 1 -> Node 0 SRAT: PXM 1 -> APIC 2 -> Node 1 SRAT: PXM 1 -> APIC 3 -> Node 1 SRAT: Node 0 PXM 0 0-40000000 NUMA: Using 63 for the hash shift. Bootmem setup node 0 0000000000000000-000000003ffcd000 NODE_DATA [0000000000009000 - 000000000000efff] bootmap [000000000000f000 - 0000000000016fff] pages 8 (6 early reservations) ==> bootmem [0000000000 - 003ffcd000] #0 [0000000000 - 0000001000] BIOS data page ==> [0000000000 - 0000001000] #1 [0000006000 - 0000008000] TRAMPOLINE ==> [0000006000 - 0000008000] #2 [0000200000 - 0000977030] TEXT DATA BSS ==> [0000200000 - 0000977030] #3 [0037e5f000 - 0037fef97f] RAMDISK ==> [0037e5f000 - 0037fef97f] #4 [000009d400 - 0000100000] BIOS reserved ==> [000009d400 - 0000100000] #5 [0000008000 - 0000009000] PGTABLE ==> [0000008000 - 0000009000] found SMP MP-table at [ffff88000009d540] 0009d540 Zone PFN ranges: DMA 0x00000000 -> 0x00001000 DMA32 0x00001000 -> 0x00100000 Normal 0x00100000 -> 0x00100000 Movable zone start PFN for each node early_node_map[2] active PFN ranges 0: 0x00000000 -> 0x0000009d 0: 0x00000100 -> 0x0003ffcd On node 0 totalpages: 261994 DMA zone: 64 pages used for memmap DMA zone: 2015 pages reserved DMA zone: 1918 pages, LIFO batch:0 DMA32 zone: 4032 pages used for memmap DMA32 zone: 253965 pages, LIFO batch:31 Normal zone: 0 pages used for memmap Movable zone: 0 pages used for memmap Detected use of extended apic ids on hypertransport bus Detected use of extended apic ids on hypertransport bus ACPI: PM-Timer IO Port: 0x2208 ACPI: Local APIC address 0xfee00000 ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled) ACPI: LAPIC (acpi_id[0x01] lapic_id[0x01] enabled) ACPI: LAPIC (acpi_id[0x02] lapic_id[0x02] enabled) ACPI: LAPIC (acpi_id[0x03] lapic_id[0x03] enabled) 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: IOAPIC (id[0x0e] address[0xfec00000] gsi_base[0]) IOAPIC[0]: apic_id 14, version 0, address 0xfec00000, GSI 0-23 ACPI: IOAPIC (id[0x0d] address[0xfec10000] gsi_base[24]) IOAPIC[1]: apic_id 13, version 0, address 0xfec10000, GSI 24-27 ACPI: IOAPIC (id[0x0c] address[0xfec20000] gsi_base[48]) IOAPIC[2]: apic_id 12, version 0, address 0xfec20000, GSI 48-51 ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 low level) ACPI: IRQ0 used by override. ACPI: IRQ2 used by override. ACPI: IRQ11 used by override. Using ACPI (MADT) for SMP configuration information ACPI: HPET id: 0x10228203 base: 0xfecff000 SMP: Allowing 4 CPUs, 0 hotplug CPUs Allocating PCI resources starting at 50000000 (gap: 40000000:bec00000) NR_CPUS:255 nr_cpumask_bits:255 nr_cpu_ids:4 nr_node_ids:1 PERCPU: Allocating 65536 bytes of per cpu data per cpu data for cpu0 on node0 at 000000000100e000 per cpu data for cpu1 on node0 at 000000000101e000 per cpu data for cpu2 on node0 at 000000000102e000 per cpu data for cpu3 on node0 at 000000000103e000 Built 1 zonelists in Node order, mobility grouping on. Total pages: 255883 Policy zone: DMA32 Kernel command line: root=/dev/mapper/VolGroup00-LogVol00 ro console=tty0 console=ttyS1,19200 selinux=no debug nmi_watchdog=1 unknown_nmi_panic=1 initcall_debug earlyprintk=serial,ttyS1,19200 IDENT=1230478484 Initializing CPU#0 PID hash table entries: 4096 (order: 12, 32768 bytes) Fast TSC calibration using PIT Detected 1993.984 MHz processor. Console: colour VGA+ 80x25 console [tty0] enabled Linux version 2.6.28-autotest-tip (root@xxxxxxxxxxxxxxxxxxxxxxxxx) (gcc version 4.1.1 20060525 (Red Hat 4.1.1-1)) #1 SMP Sun Dec 28 09:27:57 CST 2008 Command line: root=/dev/mapper/VolGroup00-LogVol00 ro console=tty0 console=ttyS1,19200 selinux=no debug nmi_watchdog=1 unknown_nmi_panic=1 initcall_debug earlyprintk=serial,ttyS1,19200 IDENT=1230478484 KERNEL supported cpus: Intel GenuineIntel AMD AuthenticAMD Centaur CentaurHauls BIOS-provided physical RAM map: BIOS-e820: 0000000000000000 - 000000000009d400 (usable) BIOS-e820: 000000000009d400 - 00000000000a0000 (reserved) BIOS-e820: 00000000000e0000 - 0000000000100000 (reserved) BIOS-e820: 0000000000100000 - 000000003ffcddc0 (usable) BIOS-e820: 000000003ffcddc0 - 000000003ffd0000 (ACPI data) BIOS-e820: 000000003ffd0000 - 0000000040000000 (reserved) BIOS-e820: 00000000fec00000 - 0000000100000000 (reserved) console [earlyser0] enabled DMI 2.3 present. last_pfn = 0x3ffcd max_arch_pfn = 0x100000000 init_memory_mapping: 0000000000000000-000000003ffcd000 0000000000 - 003fe00000 page 2M 003fe00000 - 003ffcd000 page 4k kernel direct mapping tables up to 3ffcd000 @ 8000-b000 last_map_addr: 3ffcd000 end: 3ffcd000 RAMDISK: 37e5f000 - 37fef97f ACPI: RSDP 000FDFC0, 0014 (r0 IBM ) ACPI: RSDT 3FFCFF80, 0034 (r1 IBM SERBLADE 1000 IBM 45444F43) ACPI: FACP 3FFCFEC0, 0084 (r2 IBM SERBLADE 1000 IBM 45444F43) ACPI: DSDT 3FFCDDC0, 1EA6 (r1 IBM SERBLADE 1000 INTL 2002025) ACPI: FACS 3FFCFCC0, 0040 ACPI: APIC 3FFCFE00, 009C (r1 IBM SERBLADE 1000 IBM 45444F43) ACPI: SRAT 3FFCFD40, 0098 (r1 IBM SERBLADE 1000 IBM 45444F43) ACPI: HPET 3FFCFD00, 0038 (r1 IBM SERBLADE 1000 IBM 45444F43) ACPI: Local APIC address 0xfee00000 SRAT: PXM 0 -> APIC 0 -> Node 0 SRAT: PXM 0 -> APIC 1 -> Node 0 SRAT: PXM 1 -> APIC 2 -> Node 1 SRAT: PXM 1 -> APIC 3 -> Node 1 SRAT: Node 0 PXM 0 0-40000000 NUMA: Using 63 for the hash shift. Bootmem setup node 0 0000000000000000-000000003ffcd000 NODE_DATA [0000000000009000 - 000000000000efff] bootmap [000000000000f000 - 0000000000016fff] pages 8 (6 early reservations) ==> bootmem [0000000000 - 003ffcd000] #0 [0000000000 - 0000001000] BIOS data page ==> [0000000000 - 0000001000] #1 [0000006000 - 0000008000] TRAMPOLINE ==> [0000006000 - 0000008000] #2 [0000200000 - 0000977030] TEXT DATA BSS ==> [0000200000 - 0000977030] #3 [0037e5f000 - 0037fef97f] RAMDISK ==> [0037e5f000 - 0037fef97f] #4 [000009d400 - 0000100000] BIOS reserved ==> [000009d400 - 0000100000] #5 [0000008000 - 0000009000] PGTABLE ==> [0000008000 - 0000009000] found SMP MP-table at [ffff88000009d540] 0009d540 Zone PFN ranges: DMA 0x00000000 -> 0x00001000 DMA32 0x00001000 -> 0x00100000 Normal 0x00100000 -> 0x00100000 Movable zone start PFN for each node early_node_map[2] active PFN ranges 0: 0x00000000 -> 0x0000009d 0: 0x00000100 -> 0x0003ffcd On node 0 totalpages: 261994 DMA zone: 64 pages used for memmap DMA zone: 2015 pages reserved DMA zone: 1918 pages, LIFO batch:0 DMA32 zone: 4032 pages used for memmap DMA32 zone: 253965 pages, LIFO batch:31 Normal zone: 0 pages used for memmap Movable zone: 0 pages used for memmap Detected use of extended apic ids on hypertransport bus Detected use of extended apic ids on hypertransport bus ACPI: PM-Timer IO Port: 0x2208 ACPI: Local APIC address 0xfee00000 ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled) ACPI: LAPIC (acpi_id[0x01] lapic_id[0x01] enabled) ACPI: LAPIC (acpi_id[0x02] lapic_id[0x02] enabled) ACPI: LAPIC (acpi_id[0x03] lapic_id[0x03] enabled) 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: IOAPIC (id[0x0e] address[0xfec00000] gsi_base[0]) IOAPIC[0]: apic_id 14, version 0, address 0xfec00000, GSI 0-23 ACPI: IOAPIC (id[0x0d] address[0xfec10000] gsi_base[24]) IOAPIC[1]: apic_id 13, version 0, address 0xfec10000, GSI 24-27 ACPI: IOAPIC (id[0x0c] address[0xfec20000] gsi_base[48]) IOAPIC[2]: apic_id 12, version 0, address 0xfec20000, GSI 48-51 ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 low level) ACPI: IRQ0 used by override. ACPI: IRQ2 used by override. ACPI: IRQ11 used by override. Using ACPI (MADT) for SMP configuration information ACPI: HPET id: 0x10228203 base: 0xfecff000 SMP: Allowing 4 CPUs, 0 hotplug CPUs Allocating PCI resources starting at 50000000 (gap: 40000000:bec00000) NR_CPUS:255 nr_cpumask_bits:255 nr_cpu_ids:4 nr_node_ids:1 PERCPU: Allocating 65536 bytes of per cpu data per cpu data for cpu0 on node0 at 000000000100e000 per cpu data for cpu1 on node0 at 000000000101e000 per cpu data for cpu2 on node0 at 000000000102e000 per cpu data for cpu3 on node0 at 000000000103e000 Built 1 zonelists in Node order, mobility grouping on. Total pages: 255883 Policy zone: DMA32 Kernel command line: root=/dev/mapper/VolGroup00-LogVol00 ro console=tty0 console=ttyS1,19200 selinux=no debug nmi_watchdog=1 unknown_nmi_panic=1 initcall_debug earlyprintk=serial,ttyS1,19200 IDENT=1230478484 Initializing CPU#0 PID hash table entries: 4096 (order: 12, 32768 bytes) Fast TSC calibration using PIT Detected 1993.984 MHz processor. Console: colour VGA+ 80x25 console [tty0] enabled console handover: boot [earlyser0] -> real [ttyS1] Checking aperture... No AGP bridge found Node 0: aperture @ dc000000 size 64 MB Node 1: aperture @ dc000000 size 64 MB Memory: 1021920k/1048372k available (3245k kernel code, 396k absent, 26056k reserved, 2111k data, 456k init) SLUB: Genslabs=13, HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 hpet clockevent registered Calibrating delay loop (skipped), value calculated using timer frequency.. 3987.96 BogoMIPS (lpj=7975936) Security Framework initialized SELinux: Initializing. SELinux: Starting in permissive mode Dentry cache hash table entries: 131072 (order: 8, 1048576 bytes) Inode-cache hash table entries: 65536 (order: 7, 524288 bytes) Mount-cache hash table entries: 256 CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line) CPU: L2 Cache: 1024K (64 bytes/line) CPU 0/0x0 -> Node 0 tseg: 0000000000 CPU: Physical Processor ID: 0 CPU: Processor Core ID: 0 ACPI: Core revision 20080926 Setting APIC routing to flat BUG: unable to handle kernel NULL pointer dereference at 0000000000000000 IP: [<ffffffff8021f9a8>] add_pin_to_irq_cpu+0x14/0x74 PGD 0 Oops: 0000 [#1] SMP last sysfs file: CPU 0 Modules linked in: Pid: 1, comm: swapper Not tainted 2.6.28-autotest-tip #1 RIP: 0010:[<ffffffff8021f9a8>] [<ffffffff8021f9a8>] add_pin_to_irq_cpu+0x14/0x74 RSP: 0018:ffff88003f9d7e40 EFLAGS: 00010282 RAX: ffffffff8073c300 RBX: 0000000000000001 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000018 R09: 0000000000000002 R10: 000000000000000f R11: ffffffff8021e8aa R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000002 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffffffff80855480(0000) knlGS:0000000000000000 CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b CR2: 0000000000000000 CR3: 0000000000201000 CR4: 00000000000006e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process swapper (pid: 1, threadinfo ffff88003f9d6000, task ffff88003f9d8000) Stack: 0000000000000000 0000000000000001 ffffffff8073c300 0000000000000001 0000000000000001 ffffffff80874282 0000000000000286 0000000000000286 0000000000010000 0000000000000206 0000000000000002 0000000000000002 Call Trace: [<ffffffff80874282>] setup_IO_APIC+0x12f/0x720 [<ffffffff80525711>] _spin_lock_irqsave+0x9/0xe [<ffffffff8022221b>] get_apic_id+0x0/0x9 [<ffffffff8087116f>] native_smp_prepare_cpus+0x256/0x2f1 [<ffffffff808637ca>] kernel_init+0x50/0x1eb [<ffffffff8020ce9a>] child_rip+0xa/0x20 [<ffffffff8086377a>] kernel_init+0x0/0x1eb [<ffffffff8020ce90>] child_rip+0x0/0x20 Code: 48 c7 c7 75 3c 5f 80 31 c0 e8 08 8d 01 00 5b 4c 89 e0 41 5c 41 5d c3 41 55 49 89 fd 89 f7 41 54 41 89 cc 55 89 d5 53 48 83 ec 08 <49> 8b 5d 00 48 85 db 75 36 e8 88 ff ff ff 48 85 c0 75 19 41 5b RIP [<ffffffff8021f9a8>] add_pin_to_irq_cpu+0x14/0x74 RSP <ffff88003f9d7e40> CR2: 0000000000000000 ---[ end trace 4eaa2a86a8e2da22 ]--- Kernel panic - not syncing: Attempted to kill init! Pid: 1, comm: swapper Tainted: G D 2.6.28-autotest-tip #1 Call Trace: [<ffffffff80237b4d>] panic+0x86/0x144 [<ffffffff802373f4>] mm_release+0x3f/0xd3 [<ffffffff802393b2>] exit_fs+0x35/0x46 [<ffffffff8023a842>] do_exit+0x75/0x787 [<ffffffff805262ce>] oops_end+0xa8/0xad [<ffffffff80527b1d>] do_page_fault+0x756/0x80f [<ffffffff805258df>] page_fault+0x1f/0x30 [<ffffffff8021e8aa>] native_apic_mem_write+0x0/0x9 [<ffffffff8021f9a8>] add_pin_to_irq_cpu+0x14/0x74 [<ffffffff80874282>] setup_IO_APIC+0x12f/0x720 [<ffffffff80525711>] _spin_lock_irqsave+0x9/0xe [<ffffffff8022221b>] get_apic_id+0x0/0x9 [<ffffffff8087116f>] native_smp_prepare_cpus+0x256/0x2f1 [<ffffffff808637ca>] kernel_init+0x50/0x1eb [<ffffffff8020ce9a>] child_rip+0xa/0x20 [<ffffffff8086377a>] kernel_init+0x0/0x1eb [<ffffffff8020ce90>] child_rip+0x0/0x20 -- Thanks & Regards, Kamalesh Babulal, Linux Technology Center, IBM, ISTL. -- To unsubscribe from this list: send the line "unsubscribe linux-next" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html