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    Subjectkernel bug report 2.6.24-rc8 on core2quad q6600 with debian unstable amd64
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    Hi folks, I'm sending the bug report here, since i have no idea where
    else to send it. I hope it is helping.


    [1.] One line summary of the problem:
    The kernel panics under high CPU/IO load, compilers segfault, mdadm
    used to do so, too.

    [2.] Full description of the problem/report:
    I upgraded my system to fairly new hardware and find myself unable to
    compile any kernel source and the system panics under high load e.g.
    resyncing a RAID or building a kernel. Building kernel is 100% sure to
    result in a kernel panic.

    [3.] Keywords (i.e., modules, networking, kernel):
    kernel, panic, gcc, load, high, high load

    [4.] Kernel information
    [4.1.] Kernel version (from /proc/version):
    Linux version 2.6.24-rc8-wintix (root@saugstation) (gcc version 4.2.3
    20080114 (prerelease) (Debian 4.2.2-7)) #1 SMP Tue Jan 22 21:17:40 CET
    2008

    [4.2.] Kernel .config file:
    http://linuxdingsda.de/~wintix/temp/config.gz

    [5.] Most recent kernel version which did not have the bug:
    I tried 2.6.23 but doesn't work there, too

    [6.] Output of Oops.. message (if applicable) with symbolic
    information resolved (see Documentation/oops-tracing.txt)
    # make-kpkg kernel_image --initrd
    [..]
    CC net/core/net-sysfs.o
    CC drivers/char/agp/amd64-agp.o
    CC lib/vsprintf.o
    drivers/acpi/pci_bind.c: In function 'acpi_pci_unbind':<built-in>:0:
    internal compiler error: Segmentation fault
    Depending on which kernel i build, it fails on different things.

    [7.] A small shell script or example program which triggers the
    problem (if possible)
    See 6.

    [8.] Environment
    [8.1.] Software (add the output of the ver_linux script here)

    Linux saugcenter 2.6.24-rc8-wintix #1 SMP Tue Jan 22 21:17:40 CET 2008
    x86_64 GNU/Linux

    Gnu C 4.2.3
    Gnu make 3.81
    binutils 2.18.0.20080103
    util-linux 2.13.1
    mount 2.13
    module-init-tools 3.3-pre11
    e2fsprogs 1.40.3
    reiserfsprogs 3.6.19
    xfsprogs 2.9.5
    Linux C Library 2.7
    Dynamic linker (ldd) 2.7
    Procps 3.2.7
    Net-tools 1.60
    Console-tools 0.2.3
    Sh-utils 5.97
    udev 114
    Modules Loaded nfsd lockd nfs_acl auth_rpcgss sunrpc exportfs
    ac battery acpi_cpufreq ipv6 fuse dm_crypt lm85 hwmon_vid budget_av
    saa7146_vv videobuf_dma_sg videobuf_core videodev v4l2_common
    v4l1_compat tua6100 budget_core saa7146 ttpci_eeprom dvb_pll tda10021
    tda10023 tda1004x firmware_class stv0299 dvb_core serio_raw i2c_i801
    evdev e1000e intel_agp button psmouse i2c_core ext3 jbd mbcache
    dm_mirror dm_snapshot dm_mod raid456 async_xor async_memcpy async_tx
    xor pata_marvell pata_acpi usbhid 3c59x mii generic ahci libata
    ide_core ehci_hcd uhci_hcd sg sr_mod cdrom thermal processor fan


    [8.2.] Processor information (from /proc/cpuinfo):
    processor : 0
    vendor_id : GenuineIntel
    cpu family : 6
    model : 15
    model name : Intel(R) Core(TM)2 Quad CPU Q6600 @ 2.40GHz
    stepping : 11
    cpu MHz : 1596.000
    cache size : 4096 KB
    physical id : 0
    siblings : 4
    core id : 0
    cpu cores : 4
    fpu : yes
    fpu_exception : yes
    cpuid level : 10
    wp : yes
    flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
    mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe
    syscall nx lm constant_tsc arch_perfmon pebs bts rep_good pni monitor
    ds_cpl vmx est tm2 ssse3 cx16 xtpr lahf_lm
    bogomips : 4803.76
    clflush size : 64
    cache_alignment : 64
    address sizes : 36 bits physical, 48 bits virtual
    power management:

    4 times. only core-id and prozessor# differs. the frequency is due to
    clock-down on idle.


    [8.3.] Module information (from /proc/modules):
    ipt_REJECT 5632 1 - Live 0xffffffff8835f000
    xt_state 3200 3 - Live 0xffffffff8835d000
    xt_tcpudp 4160 9 - Live 0xffffffff8835a000
    nf_conntrack_ftp 10856 0 - Live 0xffffffff88356000
    nf_conntrack_ipv4 21136 3 - Live 0xffffffff8834f000
    nf_conntrack 78384 3 xt_state,nf_conntrack_ftp,nf_conntrack_ipv4, Live
    0xffffffff8833a000
    iptable_filter 3776 1 - Live 0xffffffff880a5000
    ip_tables 23304 1 iptable_filter, Live 0xffffffff88333000
    x_tables 22600 4 ipt_REJECT,xt_state,xt_tcpudp,ip_tables, Live
    0xffffffff8832c000
    nfsd 279272 1 - Live 0xffffffff882e6000
    lockd 75248 1 nfsd, Live 0xffffffff882d2000
    nfs_acl 4416 1 nfsd, Live 0xffffffff882cf000
    auth_rpcgss 52512 1 nfsd, Live 0xffffffff882c1000
    sunrpc 212168 6 nfsd,lockd,nfs_acl,auth_rpcgss, Live 0xffffffff8828c000
    exportfs 6144 1 nfsd, Live 0xffffffff88289000
    ac 7368 0 - Live 0xffffffff88286000
    battery 15880 0 - Live 0xffffffff88281000
    acpi_cpufreq 10032 0 - Live 0xffffffff8827d000
    ipv6 309640 20 - Live 0xffffffff88230000
    fuse 54960 1 - Live 0xffffffff88221000
    dm_crypt 15752 0 - Live 0xffffffff8821c000
    lm85 35620 0 - Live 0xffffffff88212000
    hwmon_vid 4288 1 lm85, Live 0xffffffff8820f000
    budget_av 21888 4 - Live 0xffffffff88208000
    saa7146_vv 55296 1 budget_av, Live 0xffffffff881f9000
    videobuf_dma_sg 16068 1 saa7146_vv, Live 0xffffffff881f4000
    videobuf_core 21188 2 saa7146_vv,videobuf_dma_sg, Live 0xffffffff881ed000
    videodev 29888 1 saa7146_vv, Live 0xffffffff881e4000
    v4l2_common 21056 2 saa7146_vv,videodev, Live 0xffffffff881dd000
    v4l1_compat 14660 2 saa7146_vv,videodev, Live 0xffffffff881d8000
    tua6100 4096 1 budget_av, Live 0xffffffff8806e000
    budget_core 13636 1 budget_av, Live 0xffffffff881d3000
    saa7146 21384 3 budget_av,saa7146_vv,budget_core, Live 0xffffffff881cc000
    ttpci_eeprom 3136 1 budget_core, Live 0xffffffff88047000
    dvb_pll 14820 1 budget_av, Live 0xffffffff881c7000
    tda10021 7940 1 budget_av, Live 0xffffffff881c4000
    tda10023 7428 1 budget_av, Live 0xffffffff881c1000
    tda1004x 17924 1 budget_av, Live 0xffffffff881bb000
    firmware_class 11648 2 budget_av,tda1004x, Live 0xffffffff881b7000
    stv0299 12424 1 budget_av, Live 0xffffffff881b2000
    dvb_core 93164 3 budget_av,budget_core,stv0299, Live 0xffffffff8819a000
    serio_raw 8260 0 - Live 0xffffffff88196000
    i2c_i801 10332 0 - Live 0xffffffff88192000
    evdev 14144 0 - Live 0xffffffff8818d000
    e1000e 106724 0 - Live 0xffffffff88171000
    intel_agp 29600 0 - Live 0xffffffff88168000
    button 10016 0 - Live 0xffffffff88164000
    psmouse 45468 0 - Live 0xffffffff88157000
    i2c_core 27584 11
    lm85,budget_av,tua6100,budget_core,ttpci_eeprom,dvb_pll,tda10021,tda10023,tda1004x,stv0299,i2c_i801,
    Live 0xffffffff8814f000
    ext3 138832 2 - Live 0xffffffff8812c000
    jbd 55848 1 ext3, Live 0xffffffff8811d000
    mbcache 10560 1 ext3, Live 0xffffffff88119000
    dm_mirror 25408 0 - Live 0xffffffff88111000
    dm_snapshot 19848 0 - Live 0xffffffff8810b000
    dm_mod 66480 3 dm_crypt,dm_mirror,dm_snapshot, Live 0xffffffff880f9000
    raid456 131104 1 - Live 0xffffffff880d7000
    async_xor 5312 1 raid456, Live 0xffffffff880d4000
    async_memcpy 3648 1 raid456, Live 0xffffffff8803a000
    async_tx 9588 3 raid456,async_xor,async_memcpy, Live 0xffffffff880d0000
    xor 6352 2 raid456,async_xor, Live 0xffffffff880cd000
    pata_marvell 8576 2 - Live 0xffffffff880c9000
    pata_acpi 9024 0 - Live 0xffffffff880c5000
    usbhid 34080 1 - Live 0xffffffff880bb000
    3c59x 50740 0 - Live 0xffffffff880ad000
    mii 6656 1 3c59x, Live 0xffffffff880aa000
    generic 5892 0 [permanent], Live 0xffffffff880a7000
    ahci 32196 6 - Live 0xffffffff8809c000
    libata 174608 3 pata_marvell,pata_acpi,ahci, Live 0xffffffff88070000
    ide_core 146448 1 generic, Live 0xffffffff88049000
    ehci_hcd 39244 0 - Live 0xffffffff8803c000
    uhci_hcd 28632 0 - Live 0xffffffff88032000
    sg 41112 0 - Live 0xffffffff88026000
    sr_mod 20452 0 - Live 0xffffffff88020000
    cdrom 40680 1 sr_mod, Live 0xffffffff88015000
    thermal 18848 0 - Live 0xffffffff8800f000
    processor 41304 2 acpi_cpufreq,thermal, Live 0xffffffff88003000
    fan 5704 0 - Live 0xffffffff88000000

    [8.4.] Loaded driver and hardware information (/proc/ioports, /proc/iomem)
    /proc/ioports:
    0000-001f : dma1
    0020-0021 : pic1
    0040-0043 : timer0
    0050-0053 : timer1
    0060-006f : keyboard
    0070-0077 : rtc
    0080-008f : dma page reg
    00a0-00a1 : pic2
    00c0-00df : dma2
    00f0-00ff : fpu
    02f8-02ff : serial
    03c0-03df : vesafb
    03f8-03ff : serial
    0400-047f : 0000:00:1f.0
    0400-047f : pnp 00:06
    0400-0403 : ACPI PM1a_EVT_BLK
    0404-0405 : ACPI PM1a_CNT_BLK
    0408-040b : ACPI PM_TMR
    0410-0415 : ACPI CPU throttle
    0420-042f : ACPI GPE0_BLK
    0450-0450 : ACPI PM2_CNT_BLK
    0500-053f : 0000:00:1f.0
    0500-053f : pnp 00:06
    0680-06ff : pnp 00:06
    0cf8-0cff : PCI conf1
    1000-1fff : PCI Bus #07
    1000-10ff : 0000:07:02.0
    1400-147f : 0000:07:00.0
    2000-2fff : PCI Bus #03
    2000-200f : 0000:03:00.0
    2000-200f : libata
    2010-2017 : 0000:03:00.0
    2018-201f : 0000:03:00.0
    2018-201f : libata
    2020-2023 : 0000:03:00.0
    2024-2027 : 0000:03:00.0
    2024-2027 : libata
    3000-301f : 0000:00:1f.3
    3000-301f : i801_smbus
    3020-303f : 0000:00:1f.2
    3040-305f : 0000:00:1d.2
    3040-305f : uhci_hcd
    3060-307f : 0000:00:1d.1
    3060-307f : uhci_hcd
    3080-309f : 0000:00:1d.0
    3080-309f : uhci_hcd
    30a0-30bf : 0000:00:1a.2
    30a0-30bf : uhci_hcd
    30c0-30df : 0000:00:1a.1
    30c0-30df : uhci_hcd
    30e0-30ff : 0000:00:1a.0
    30e0-30ff : uhci_hcd
    3400-341f : 0000:00:19.0
    3400-341f : e1000e
    3420-3427 : 0000:00:1f.2
    3428-342f : 0000:00:1f.2
    3430-3433 : 0000:00:1f.2
    3434-3437 : 0000:00:1f.2

    /proc/iomem:
    00000000-0009e7ff : System RAM
    0009e800-0009ffff : reserved
    000c0000-000dffff : pnp 00:01
    000e0000-000fffff : reserved
    00100000-cfa16fff : System RAM
    00200000-005438f9 : Kernel code
    005438fa-006804af : Kernel data
    006de000-0076c5ef : Kernel bss
    cfa17000-cfa18fff : reserved
    cfa19000-cfaf4fff : System RAM
    cfaf5000-cfbe4fff : ACPI Non-volatile Storage
    cfbe5000-cfbe9fff : System RAM
    cfbea000-cfbf2fff : ACPI Tables
    cfbf3000-cfbf3fff : System RAM
    cfbf4000-cfbfefff : ACPI Tables
    cfbff000-cfbfffff : System RAM
    cfc00000-cfffffff : reserved
    d0000000-dfffffff : PCI Bus #01
    d0000000-dfffffff : 0000:01:00.0
    d0000000-d3ffffff : vesafb
    e0000000-e1ffffff : PCI Bus #01
    e0000000-e0ffffff : 0000:01:00.0
    e1000000-e1ffffff : 0000:01:00.0
    e2000000-e20fffff : PCI Bus #07
    e2000000-e2000fff : 0000:07:02.0
    e2000000-e2000fff : aic7xxx
    e2001000-e20011ff : 0000:07:01.0
    e2001000-e20011ff : saa7146
    e2001200-e200127f : 0000:07:00.0
    e2020000-e203ffff : 0000:07:00.0
    e2040000-e205ffff : 0000:07:02.0
    e2100000-e21fffff : PCI Bus #03
    e2100000-e21001ff : 0000:03:00.0
    e2200000-e221ffff : 0000:00:19.0
    e2200000-e221ffff : e1000e
    e2220000-e2220fff : 0000:00:19.0
    e2220000-e2220fff : e1000e
    e2221000-e22217ff : 0000:00:1f.2
    e2221000-e22217ff : ahci
    e2221800-e2221bff : 0000:00:1d.7
    e2221800-e2221bff : ehci_hcd
    e2221c00-e2221fff : 0000:00:1a.7
    e2221c00-e2221fff : ehci_hcd
    e2222000-e22220ff : 0000:00:1f.3
    e2222100-e222210f : 0000:00:03.0
    f0000000-f7ffffff : PCI MMCONFIG 0
    f0000000-f7ffffff : reserved
    feb00000-feb03fff : pnp 00:01
    fec00000-fec00fff : IOAPIC 0
    fed13000-fed13fff : pnp 00:01
    fed14000-fed17fff : pnp 00:01
    fed18000-fed18fff : pnp 00:01
    fed19000-fed19fff : pnp 00:01
    fed1c000-fed1ffff : pnp 00:01
    fed20000-fed3ffff : pnp 00:01
    fed45000-fed99fff : pnp 00:01
    fee00000-fee00fff : Local APIC
    fff00000-ffffffff : reserved
    100000000-12bffffff : System RAM


    [8.5.] PCI information ('lspci -vvv' as root)
    http://linuxdingsda.de/~wintix/temp/lspci_vvv

    [8.6.] SCSI information (from /proc/scsi/scsi)
    Attached devices:
    Host: scsi0 Channel: 00 Id: 01 Lun: 00
    Vendor: IBM-PCCO Model: DDRS-34560W !# Rev: S97B
    Type: Direct-Access ANSI SCSI revision: 02
    Host: scsi0 Channel: 00 Id: 05 Lun: 00
    Vendor: NEC Model: CD-ROM DRIVE:464 Rev: 1.14
    Type: CD-ROM ANSI SCSI revision: 02
    Host: scsi1 Channel: 00 Id: 00 Lun: 00
    Vendor: ATA Model: Maxtor 6V250F0 Rev: VA11
    Type: Direct-Access ANSI SCSI revision: 05
    Host: scsi2 Channel: 00 Id: 00 Lun: 00
    Vendor: ATA Model: Maxtor 6V250F0 Rev: VA11
    Type: Direct-Access ANSI SCSI revision: 05
    Host: scsi3 Channel: 00 Id: 00 Lun: 00
    Vendor: ATA Model: Maxtor 6V250F0 Rev: VA11
    Type: Direct-Access ANSI SCSI revision: 05
    Host: scsi4 Channel: 00 Id: 00 Lun: 00
    Vendor: ATA Model: Maxtor 6V250F0 Rev: VA11
    Type: Direct-Access ANSI SCSI revision: 05
    Host: scsi5 Channel: 00 Id: 00 Lun: 00
    Vendor: ATA Model: Maxtor 6V250F0 Rev: VA11
    Type: Direct-Access ANSI SCSI revision: 05
    Host: scsi6 Channel: 00 Id: 00 Lun: 00
    Vendor: ATA Model: Maxtor 6V250F0 Rev: VA11
    Type: Direct-Access ANSI SCSI revision: 05
    Host: scsi7 Channel: 00 Id: 00 Lun: 00
    Vendor: ATA Model: Maxtor 6L250R0 Rev: BAJ4
    Type: Direct-Access ANSI SCSI revision: 05
    Host: scsi7 Channel: 00 Id: 01 Lun: 00
    Vendor: ATA Model: Maxtor 6L250R0 Rev: BAH4
    Type: Direct-Access ANSI SCSI revision: 05

    [8.7.] Other information that might be relevant to the problem (please
    look in /proc and include all information that you think to be relevant):
    root@saugcenter:/proc# cat /proc/mdstat
    Personalities : [raid6] [raid5] [raid4]
    md0 : active(auto-read-only) raid5 sdg[0] sdh[7] sdf[6] sdi[5] sde[4]
    sdb[3] sdd[2] sdc[1]
    1715821184 blocks level 5, 64k chunk, algorithm 2 [8/8] [UUUUUUUU]

    unused devices: <none>

    I tried disabling HPET and VT in the BIOS but that didn't help. I also
    ruled out any memory problems with memtest86+.Don't know what else to do.

    [X.] Other notes, patches, fixes, workarounds:
    Please let me know if you need any additional information or need
    access to the box. I could provide Debian on some USB stick.
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