Message-ID: <201003181445.56645.oliver.maurhart@ait.ac.at>
Date:	Thu, 18 Mar 2010 14:45:56 +0100
From:	Oliver Maurhart <oliver.maurhart@....ac.at>
To:	<netdev@...r.kernel.org>
Subject: kernel 2.6.33 kernel panic "kernel BUG at net/core/skbuff.c:147!"

#!/bin/hi *

I'm experiencing a kernel panic with a recent 2.6.33 kernel ... and - frankly 
- don't know what to do.

I've read REPORTING-BUGS and hope I've got all right (and the right target for 
this report).

[1.] Kernel panic when running heavy TUN/TAP I/O between two processes on the 
same machine.

[2.] We have an application scenario where we start 4 processes which are 
interconnected via TCP/IP plus 2 of them via additional TUN/TUP devices. On my 
machine after doing heavy IO the kernel panics (see output [6.]). 
Interestingly, a VM on the very same machine (VirtualBox with Ubuntu 9.10) 
does not with the very same scenery. I don't know where to start looking. The 
bug is very deterministic reproduceable. The kernel stops at the very same 
position in the processing of the application.

[3.] Keywords: skbuff, tun/tap, networking

[4.1.] # cat /proc/version 
Linux version 2.6.33-gentoo (root@...fear) (gcc version 4.4.3 (Gentoo 4.4.3 
p1.0) ) #3 SMP PREEMPT Tue Mar 16 14:07:33 CET 2010

[4.2.] Kernel config attached from /proc/config.gz

[5.] Within the VM:
$ uname -a
Linux ubuntu-32-clean 2.6.31-20-generic #57-Ubuntu SMP Mon Feb 8 09:05:19 UTC 
2010 i686 GNU/Linux

[6.] Output of kernel panic (got that via netconsole on a remote host):

[ 3485.023866] skb_under_panic: text:ffffffff814dc389 len:46 put:14 
head:ffff880106a73c00 data:ffff880106a73bf2 tail:0x20 end:0x40 dev:q3p1
[ 3485.023932] ------------[ cut here ]------------
[ 3485.023940] kernel BUG at net/core/skbuff.c:147!
[ 3485.023948] invalid opcode: 0000 [#1] PREEMPT SMP 
[ 3485.023963] last sysfs file: 
/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0A:00/power_supply/BAT1/energy_full
[ 3485.023972] CPU 0 
[ 3485.023984] Pid: 26456, comm: link mgr: alice Tainted: P           2.6.33-
gentoo #3 Portable PC/TECRA S10
[ 3485.023993] RIP: 0010:[<ffffffff815c57e4>]  [<ffffffff815c57e4>] 
skb_under_panic+0x54/0x60
[ 3485.024013] RSP: 0018:ffff880028203df8  EFLAGS: 00010296
[ 3485.024015] RAX: 0000000000000092 RBX: ffff8801369cb380 RCX: 
0000000000000000
[ 3485.024015] RDX: ffff880028200000 RSI: 0000000000000092 RDI: 
0000000000000001
[ 3485.024015] RBP: ffff8801369cb380 R08: 0000000002000000 R09: 
0000000000000000
[ 3485.024015] R10: 0000000000000000 R11: 0000000000000000 R12: 
ffff8800bd29a000
[ 3485.024015] R13: ffff8800bd29a000 R14: 0000000000000000 R15: 
000000000000a288
[ 3485.024015] FS:  00007f5f6565a710(0000) GS:ffff880028200000(0000) 
knlGS:0000000000000000
[ 3485.024015] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3485.024015] CR2: 00007f5f65658a08 CR3: 00000000b514b000 CR4: 
00000000000406f0
[ 3485.024015] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 
0000000000000000
[ 3485.024015] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 
0000000000000400
[ 3485.024015] Process link mgr: alice (pid: 26456, threadinfo 
ffff8800b4620000, task ffff8800bd173720)
[ 3485.024015] Stack:
[ 3485.024015]  0000000000000020 0000000000000040 ffff8800bd29a000 
ffff8801369cb380
[ 3485.024015] <0> ffff8801369cb380 ffffffff815c7c6f ffff8801369cb380 
ffffffff814dc389
[ 3485.024015] <0> ffff880180000000 ffffffff81d06380 ffffffff81d063a0 
ffff8801369cb380
[ 3485.024015] Call Trace:
[ 3485.024015]  <IRQ> 
[ 3485.024015]  [<ffffffff815c7c6f>] ? skb_push+0x2f/0x40
[ 3485.024015]  [<ffffffff814dc389>] ? aoenet_rcv+0x99/0x190
[ 3485.024015]  [<ffffffff815d0caa>] ? netif_receive_skb+0x31a/0x450
[ 3485.024015]  [<ffffffff81710971>] ? _raw_spin_unlock_irq+0x11/0x40
[ 3485.024015]  [<ffffffff8104d4e0>] ? run_timer_softirq+0x210/0x270
[ 3485.024015]  [<ffffffff815d0e55>] ? process_backlog+0x75/0xc0
[ 3485.024015]  [<ffffffff815d16b6>] ? net_rx_action+0x116/0x1e0
[ 3485.024015]  [<ffffffff81048244>] ? __do_softirq+0xb4/0x140
[ 3485.024015]  [<ffffffff8100338c>] ? call_softirq+0x1c/0x30
[ 3485.024015]  <EOI> 
[ 3485.024015]  [<ffffffff8100553d>] ? do_softirq+0x4d/0x80
[ 3485.024015]  [<ffffffff815d1a6d>] ? netif_rx_ni+0x4d/0x70
[ 3485.024015]  [<ffffffff8148fb06>] ? tun_chr_aio_write+0x356/0x4e0
[ 3485.024015]  [<ffffffff810bea6f>] ? do_sync_write+0xbf/0x100
[ 3485.024015]  [<ffffffff810a1d0b>] ? handle_mm_fault+0x4bb/0x850
[ 3485.024015]  [<ffffffff81710cde>] ? _raw_spin_lock_irqsave+0x1e/0x50
[ 3485.024015]  [<ffffffff810bf538>] ? vfs_write+0xb8/0x180
[ 3485.024015]  [<ffffffff810bf6ee>] ? sys_write+0x4e/0x90
[ 3485.024015]  [<ffffffff8100256b>] ? system_call_fastpath+0x16/0x1b
[ 3485.024015] Code: 8b 57 68 48 89 44 24 10 8b 87 b8 00 00 00 48 89 44 24 08 
31 c0 8b bf b4 00 00 00 48 89 3c 24 48 c7 c7 b0 1c a9 81 e8 b9 82 14 00 <0f> 
0b eb fe 0f 1f 84 00 00 00 00 00 48 83 ec 28 89 f1 4c 8b 8f 
[ 3485.024015] RIP  [<ffffffff815c57e4>] skb_under_panic+0x54/0x60
[ 3485.024015]  RSP <ffff880028203df8>
[ 3485.024258] ------------[ cut here ]------------
[ 3485.024610] ---[ end trace 30a4557d927b50f9 ]---
[ 3485.024615] Kernel panic - not syncing: Fatal exception in interrupt
[ 3485.024621] Pid: 26456, comm: link mgr: alice Tainted: P      D    2.6.33-
gentoo #3
[ 3485.024625] Call Trace:
[ 3485.024629]  <IRQ>  [<ffffffff8170d9e0>] ? panic+0x84/0x141
[ 3485.024640]  [<ffffffff81710dae>] ? _raw_spin_trylock+0xe/0x70
[ 3485.024647]  [<ffffffff81006b2b>] ? oops_end+0x9b/0xa0
[ 3485.024653]  [<ffffffff810040a4>] ? do_invalid_op+0x84/0xa0
[ 3485.024660]  [<ffffffff815c57e4>] ? skb_under_panic+0x54/0x60
[ 3485.024667]  [<ffffffff81042a03>] ? release_console_sem+0x1a3/0x1f0
[ 3485.024673]  [<ffffffff81042f8e>] ? vprintk+0x27e/0x450
[ 3485.024680]  [<ffffffff81003115>] ? invalid_op+0x15/0x20
[ 3485.024688]  [<ffffffff815c57e4>] ? skb_under_panic+0x54/0x60
[ 3485.024695]  [<ffffffff815c57e4>] ? skb_under_panic+0x54/0x60
[ 3485.024700]  [<ffffffff815c7c6f>] ? skb_push+0x2f/0x40
[ 3485.024707]  [<ffffffff814dc389>] ? aoenet_rcv+0x99/0x190
[ 3485.024714]  [<ffffffff815d0caa>] ? netif_receive_skb+0x31a/0x450
[ 3485.024720]  [<ffffffff81710971>] ? _raw_spin_unlock_irq+0x11/0x40
[ 3485.024726]  [<ffffffff8104d4e0>] ? run_timer_softirq+0x210/0x270
[ 3485.024734]  [<ffffffff815d0e55>] ? process_backlog+0x75/0xc0
[ 3485.024740]  [<ffffffff815d16b6>] ? net_rx_action+0x116/0x1e0
[ 3485.024748]  [<ffffffff81048244>] ? __do_softirq+0xb4/0x140
[ 3485.024755]  [<ffffffff8100338c>] ? call_softirq+0x1c/0x30
[ 3485.024758]  <EOI>  [<ffffffff8100553d>] ? do_softirq+0x4d/0x80
[ 3485.024769]  [<ffffffff815d1a6d>] ? netif_rx_ni+0x4d/0x70
[ 3485.024775]  [<ffffffff8148fb06>] ? tun_chr_aio_write+0x356/0x4e0
[ 3485.024782]  [<ffffffff810bea6f>] ? do_sync_write+0xbf/0x100
[ 3485.024790]  [<ffffffff810a1d0b>] ? handle_mm_fault+0x4bb/0x850
[ 3485.024797]  [<ffffffff81710cde>] ? _raw_spin_lock_irqsave+0x1e/0x50
[ 3485.024804]  [<ffffffff810bf538>] ? vfs_write+0xb8/0x180
[ 3485.024810]  [<ffffffff810bf6ee>] ? sys_write+0x4e/0x90
[ 3485.024817]  [<ffffffff8100256b>] ? system_call_fastpath+0x16/0x1b
[ 3485.024258] kernel BUG at net/core/skbuff.c:147!
[ 3485.024258] invalid opcode: 0000 [#2] PREEMPT SMP 
[ 3485.024258] last sysfs file: 
/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0A:00/power_supply/BAT1/energy_full
[ 3485.024258] CPU 1 
[ 3485.024258] Pid: 26453, comm: link mgr: bob:a Tainted: P      D    2.6.33-
gentoo #3 Portable PC/TECRA S10
[ 3485.024258] RIP: 0010:[<ffffffff815c57e4>]  [<ffffffff815c57e4>] 
skb_under_panic+0x54/0x60
[ 3485.024258] RSP: 0018:ffff880028303df8  EFLAGS: 00010296
[ 3485.024258] RAX: 0000000000000092 RBX: ffff8800b50f33c0 RCX: 
0000000000000000
[ 3485.024258] RDX: 0000000000000001 RSI: 0000000000000092 RDI: 
0000000000000001
[ 3485.024258] RBP: ffff8800b50f33c0 R08: 0000000000000000 R09: 
0000000000000001
[ 3485.024258] R10: 0000000000000000 R11: 0000000000000000 R12: 
ffff8800bf599000
[ 3485.024258] R13: ffff8800bf599000 R14: 0000000000000000 R15: 
000000000000a288
[ 3485.024258] FS:  00007f488bb40710(0000) GS:ffff880028300000(0000) 
knlGS:0000000000000000
[ 3485.024258] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3485.024258] CR2: 00007f488bb3ea08 CR3: 0000000119008000 CR4: 
00000000000406e0
[ 3485.024258] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 
0000000000000000
[ 3485.024258] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 
0000000000000400
[ 3485.024258] Process link mgr: bob:a (pid: 26453, threadinfo 
ffff8800bf6ee000, task ffff8800bd103660)
[ 3485.024258] Stack:
[ 3485.024258]  0000000000000020 0000000000000040 ffff8800bf599000 
ffff8800b50f33c0
[ 3485.024258] <0> ffff8800b50f33c0 ffffffff815c7c6f ffff8800b50f33c0 
ffffffff814dc389
[ 3485.024258] <0> ffff8800bd102fb8 000000000000e240 ffffffff81d063a0 
ffff8800b50f33c0
[ 3485.024258] Call Trace:
[ 3485.024258]  <IRQ> 
[ 3485.024258]  [<ffffffff815c7c6f>] ? skb_push+0x2f/0x40
[ 3485.024258]  [<ffffffff814dc389>] ? aoenet_rcv+0x99/0x190
[ 3485.024258]  [<ffffffff815d0caa>] ? netif_receive_skb+0x31a/0x450
[ 3485.024258]  [<ffffffff81710971>] ? _raw_spin_unlock_irq+0x11/0x40
[ 3485.024258]  [<ffffffff815d0e55>] ? process_backlog+0x75/0xc0
[ 3485.024258]  [<ffffffff8103e8c7>] ? run_rebalance_domains+0x37/0xe0
[ 3485.024258]  [<ffffffff815d16b6>] ? net_rx_action+0x116/0x1e0
[ 3485.024258]  [<ffffffff81048244>] ? __do_softirq+0xb4/0x140
[ 3485.024258]  [<ffffffff8100338c>] ? call_softirq+0x1c/0x30
[ 3485.024258]  <EOI> 
[ 3485.024258]  [<ffffffff8100553d>] ? do_softirq+0x4d/0x80
[ 3485.024258]  [<ffffffff815d1a6d>] ? netif_rx_ni+0x4d/0x70
[ 3485.024258]  [<ffffffff8148fb06>] ? tun_chr_aio_write+0x356/0x4e0
[ 3485.024258]  [<ffffffff8102797c>] ? flush_tlb_page+0x5c/0xe0
[ 3485.024258]  [<ffffffff810bea6f>] ? do_sync_write+0xbf/0x100
[ 3485.024258]  [<ffffffff810a1d0b>] ? handle_mm_fault+0x4bb/0x850
[ 3485.024258]  [<ffffffff81710cde>] ? _raw_spin_lock_irqsave+0x1e/0x50
[ 3485.024258]  [<ffffffff810bf538>] ? vfs_write+0xb8/0x180
[ 3485.024258]  [<ffffffff810bf6ee>] ? sys_write+0x4e/0x90
[ 3485.024258]  [<ffffffff8100256b>] ? system_call_fastpath+0x16/0x1b
[ 3485.024258] Code: 8b 57 68 48 89 44 24 10 8b 87 b8 00 00 00 48 89 44 24 08 
31 c0 8b bf b4 00 00 00 48 89 3c 24 48 c7 c7 b0 1c a9 81 e8 b9 82 14 00 <0f> 
0b eb fe 0f 1f 84 00 00 00 00 00 48 83 ec 28 89 f1 4c 8b 8f 
[ 3485.024258] RIP  [<ffffffff815c57e4>] skb_under_panic+0x54/0x60
[ 3485.024258]  RSP <ffff880028303df8>

[8.1.] # ./ver_linux
If some fields are empty or look unusual you may have an old version.
Compare to the current minimal requirements in Documentation/Changes.
 
Linux lanfear 2.6.33-gentoo #3 SMP PREEMPT Tue Mar 16 14:07:33 CET 2010 x86_64 
Intel(R) Core(TM)2 Duo CPU T9550 @ 2.66GHz GenuineIntel GNU/Linux
 
Gnu C                  4.4.3
Gnu make               3.81
binutils               2.20.1.20100303
util-linux             2.17.1
mount                  support
module-init-tools      3.11.1
e2fsprogs              1.41.10
pcmciautils            016
PPP                    2.4.4
Linux C Library        2.11
Dynamic linker (ldd)   2.11
Procps                 3.2.8
Net-tools              1.60_p20100101055920
Kbd                    1.15.1
oprofile               0.9.6
Sh-utils               8.4
wireless-tools         29
Modules Loaded         option snd_seq snd_seq_device snd_pcm_oss snd_mixer_oss 
sco bnep rfcomm l2cap vmmon vmci vmblock vboxnetflt vboxnetadp vboxdrv nvidia 
btusb bluetooth snd_hda_codec_realtek zaurus pl2303 uvcvideo snd_hda_intel 
cdc_ether usbnet iwlagn usbserial snd_hda_codec iwlcore mii usblp cdc_wdm 
cdc_acm snd_hwdep snd_pcm mac80211 video psmouse toshiba_acpi pcspkr cfg80211 
snd_timer backlight serio_raw output snd_page_alloc toshiba_bluetooth rfkill 
libiscsi scsi_wait_scan sl811_hcd


[8.2] # cat /proc/cpuinfo 
processor       : 0
vendor_id       : GenuineIntel
cpu family      : 6
model           : 23
model name      : Intel(R) Core(TM)2 Duo CPU     T9550  @ 2.66GHz
stepping        : 10
cpu MHz         : 2661.000
cache size      : 6144 KB
physical id     : 0
siblings        : 2
core id         : 0
cpu cores       : 2
apicid          : 0
initial apicid  : 0
fpu             : yes
fpu_exception   : yes
cpuid level     : 13
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 aperfmperf pni dtes64 monitor 
ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm sse4_1 xsave lahf_lm ida 
tpr_shadow vnmi flexpriority
bogomips        : 5319.97
clflush size    : 64
cache_alignment : 64
address sizes   : 36 bits physical, 48 bits virtual
power management:

processor       : 1
vendor_id       : GenuineIntel
cpu family      : 6
model           : 23
model name      : Intel(R) Core(TM)2 Duo CPU     T9550  @ 2.66GHz
stepping        : 10
cpu MHz         : 2661.000
cache size      : 6144 KB
physical id     : 0
siblings        : 2
core id         : 1
cpu cores       : 2
apicid          : 1
initial apicid  : 1
fpu             : yes
fpu_exception   : yes
cpuid level     : 13
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 aperfmperf pni dtes64 monitor 
ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm sse4_1 xsave lahf_lm ida 
tpr_shadow vnmi flexpriority
bogomips        : 5317.47
clflush size    : 64
cache_alignment : 64
address sizes   : 36 bits physical, 48 bits virtual
power management:

[8.3.] # cat /proc/modules 
option 17826 0 - Live 0xffffffffa00ab000
snd_seq 51917 1 - Live 0xffffffffa0e48000
snd_seq_device 6266 1 snd_seq, Live 0xffffffffa0e41000
snd_pcm_oss 37689 0 - Live 0xffffffffa0e30000
snd_mixer_oss 14766 1 snd_pcm_oss, Live 0xffffffffa0e26000
sco 8699 2 - Live 0xffffffffa01af000
bnep 11167 2 - Live 0xffffffffa0130000
rfcomm 36509 4 - Live 0xffffffffa01ec000
l2cap 33696 16 bnep,rfcomm, Live 0xffffffffa0106000
vmmon 70844 0 - Live 0xffffffffa0e12000
vmci 53612 0 - Live 0xffffffffa0e02000
vmblock 11094 0 - Live 0xffffffffa0087000
vboxnetflt 10286 0 - Live 0xffffffffa0036000
vboxnetadp 4246 0 - Live 0xffffffffa000b000
vboxdrv 1723405 3 vboxnetflt,vboxnetadp, Live 0xffffffffa0c5b000
nvidia 9622117 40 - Live 0xffffffffa0254000 (P)
btusb 12243 2 - Live 0xffffffffa0056000
bluetooth 57375 9 sco,bnep,rfcomm,l2cap,btusb, Live 0xffffffffa0243000
snd_hda_codec_realtek 277964 1 - Live 0xffffffffa01fd000
zaurus 3116 0 - Live 0xffffffffa003d000
pl2303 16737 0 - Live 0xffffffffa0080000
uvcvideo 60397 0 - Live 0xffffffffa0172000
snd_hda_intel 22353 14 - Live 0xffffffffa001b000
cdc_ether 4471 1 zaurus, Live 0xffffffffa0005000
usbnet 18998 2 zaurus,cdc_ether, Live 0xffffffffa01f6000
iwlagn 216120 0 - Live 0xffffffffa01b5000
usbserial 37199 2 option,pl2303, Live 0xffffffffa01a3000
snd_hda_codec 81024 2 snd_hda_codec_realtek,snd_hda_intel, Live 
0xffffffffa0182000
iwlcore 214518 1 iwlagn, Live 0xffffffffa013b000
mii 4973 1 usbnet, Live 0xffffffffa0134000
usblp 11258 0 - Live 0xffffffffa012b000
cdc_wdm 9012 0 - Live 0xffffffffa0123000
cdc_acm 16317 2 - Live 0xffffffffa0118000
snd_hwdep 6258 1 snd_hda_codec, Live 0xffffffffa0110000
snd_pcm 80714 7 snd_pcm_oss,snd_hda_intel,snd_hda_codec, Live 
0xffffffffa00f0000
mac80211 146328 2 iwlagn,iwlcore, Live 0xffffffffa00bf000
video 19430 0 - Live 0xffffffffa00b3000
psmouse 57566 0 - Live 0xffffffffa009a000
toshiba_acpi 7734 0 - Live 0xffffffffa0092000
pcspkr 1830 0 - Live 0xffffffffa008c000
cfg80211 143104 3 iwlagn,iwlcore,mac80211, Live 0xffffffffa005b000
snd_timer 20483 6 snd_seq,snd_pcm, Live 0xffffffffa004e000
backlight 4636 2 video,toshiba_acpi, Live 0xffffffffa0047000
serio_raw 4463 0 - Live 0xffffffffa0040000
output 2207 1 video, Live 0xffffffffa003a000
snd_page_alloc 8012 2 snd_hda_intel,snd_pcm, Live 0xffffffffa0032000
toshiba_bluetooth 2031 0 - Live 0xffffffffa002c000
rfkill 12568 4 bluetooth,toshiba_acpi,cfg80211, Live 0xffffffffa0022000
libiscsi 44581 0 - Live 0xffffffffa000e000
scsi_wait_scan 693 0 - Live 0xffffffffa0008000
sl811_hcd 10564 0 - Live 0xffffffffa0000000

[8.4] # cat /proc/ioports 
0000-001f : dma1
0020-0021 : pic1
0040-0043 : timer0
0050-0053 : timer1
0060-0060 : keyboard
0064-0064 : keyboard
0070-0071 : rtc0
0080-008f : dma page reg
00a0-00a1 : pic2
00c0-00df : dma2
00f0-00ff : fpu
0170-0177 : ide_generic
01e0-01ef : pnp 00:09
01f0-01f7 : ide_generic
0376-0376 : ide_generic
03c0-03df : vga+
  03c0-03df : uvesafb
03f6-03f6 : ide_generic
03f8-03ff : serial
0480-048f : pnp 00:09
04d0-04d1 : pnp 00:09
0690-06ff : pnp 00:09
0cf8-0cff : PCI conf1
1000-1fff : PCI Bus 0000:06
  1000-10ff : PCI CardBus 0000:07
  1400-14ff : PCI CardBus 0000:07
7f20-7f3f : 0000:00:1f.2
  7f20-7f3f : ahci
7f44-7f47 : 0000:00:1f.2
  7f44-7f47 : ahci
7f48-7f4f : 0000:00:1f.2
  7f48-7f4f : ahci
7f54-7f57 : 0000:00:1f.2
  7f54-7f57 : ahci
7f58-7f5f : 0000:00:1f.2
  7f58-7f5f : ahci
7f60-7f7f : 0000:00:1d.2
  7f60-7f7f : uhci_hcd
7f80-7f9f : 0000:00:1d.1
  7f80-7f9f : uhci_hcd
7fe0-7fff : 0000:00:1d.0
  7fe0-7fff : uhci_hcd
8000-8fff : PCI Bus 0000:05
9000-9fff : PCI Bus 0000:03
a000-afff : PCI Bus 0000:02
bf40-bf5f : 0000:00:1a.2
  bf40-bf5f : uhci_hcd
bf60-bf7f : 0000:00:1a.1
  bf60-bf7f : uhci_hcd
bf80-bf9f : 0000:00:1a.0
  bf80-bf9f : uhci_hcd
bfe0-bfff : 0000:00:19.0
c000-cfff : PCI Bus 0000:01
  cf00-cf7f : 0000:01:00.0
d800-d87f : pnp 00:09
  d800-d803 : ACPI PM1a_EVT_BLK
  d804-d805 : ACPI PM1a_CNT_BLK
  d808-d80b : ACPI PM_TMR
  d810-d815 : ACPI CPU throttle
  d820-d82f : ACPI GPE0_BLK
  d850-d850 : ACPI PM2_CNT_BLK
d880-d89f : pnp 00:09
e000-e07f : pnp 00:09
e080-e0ff : pnp 00:09
e400-e47f : pnp 00:09
e480-e4ff : pnp 00:09
e800-e87f : pnp 00:09
e880-e8ff : pnp 00:09
ec00-ec7f : pnp 00:09
ec80-ecff : pnp 00:09
ee80-eeff : pnp 00:09

# cat /proc/iomem
00000000-0009bbff : System RAM
0009bc00-0009ffff : reserved
000e8000-000eedff : reserved
000eee00-000eefff : ACPI Non-volatile Storage
000ef000-000fffff : reserved
00100000-bfb9ffff : System RAM
  01000000-01713a60 : Kernel code
  01713a61-01d0a627 : Kernel data
  01daf000-01eb50a3 : Kernel bss
bfba0000-bfffffff : reserved
  bfba0000-bfbaffff : pnp 00:00
  bfbb0000-bfefffff : pnp 00:00
  bff00000-bfffffff : pnp 00:00
c0000000-c3ffffff : PCI Bus 0000:06
  c0000000-c3ffffff : PCI CardBus 0000:07
c4000000-c7ffffff : PCI CardBus 0000:07
e0000000-efffffff : PCI Bus 0000:01
  e0000000-efffffff : 0000:01:00.0
f0000000-f3ffffff : PCI MMCONFIG 0000 [bus 00-3f]
  f0000000-f3ffffff : pnp 00:01
f6000000-f7ffffff : PCI Bus 0000:03
f8000000-f9ffffff : PCI Bus 0000:03
fa000000-fdffffff : PCI Bus 0000:01
  fa000000-fbffffff : 0000:01:00.0
    fb000000-fb9fffff : uvesafb
  fc000000-fc01ffff : 0000:01:00.0
  fd000000-fdffffff : 0000:01:00.0
    fd000000-fdffffff : nvidia
fec00000-fec27fff : reserved
  fec00000-fec003ff : IOAPIC 0
fed00000-fed004ff : reserved
  fed00000-fed003ff : HPET 0
  fed00400-fed004ff : pnp 00:00
fed10000-fed19fff : reserved
  fed10000-fed19fff : pnp 00:00
fed1c000-fed93fff : reserved
  fed1c000-fed1ffff : pnp 00:00
  fed20000-fed3ffff : pnp 00:00
  fed45000-fed8ffff : pnp 00:00
  fed90000-fed93fff : pnp 00:00
fee00000-fee00fff : Local APIC
  fee00000-fee00fff : reserved
    fee00000-fee00fff : pnp 00:00
ff200000-ff3fffff : PCI Bus 0000:05
ff400000-ff5fffff : PCI Bus 0000:02
ff600000-ff6fffff : PCI Bus 0000:06
  ff600000-ff600fff : 0000:06:0b.0
    ff600000-ff600fff : yenta_socket
  ff6fb000-ff6fb0ff : 0000:06:0b.5
  ff6fc000-ff6fc0ff : 0000:06:0b.4
  ff6fd000-ff6fd0ff : 0000:06:0b.3
  ff6fe000-ff6fe0ff : 0000:06:0b.2
    ff6fe000-ff6fe0ff : mmc0
  ff6ff000-ff6ff7ff : 0000:06:0b.1
    ff6ff000-ff6ff7ff : firewire_ohci
ff700000-ff8fffff : PCI Bus 0000:05
ff900000-ff9fffff : PCI Bus 0000:02
  ff9fe000-ff9fffff : 0000:02:00.0
    ff9fe000-ff9fffff : iwlagn
ffa00000-ffbfffff : reserved
  ffa00000-ffbfffff : pnp 00:00
ffcc0000-ffcdffff : 0000:00:19.0
  ffcc0000-ffcdffff : e1000e
ffcf7000-ffcf77ff : 0000:00:1f.2
  ffcf7000-ffcf77ff : ahci
ffcf8000-ffcfbfff : 0000:00:1b.0
  ffcf8000-ffcfbfff : ICH HD audio
ffcfc000-ffcfc3ff : 0000:00:1d.7
  ffcfc000-ffcfc3ff : ehci_hcd
ffcfd000-ffcfd3ff : 0000:00:1a.7
  ffcfd000-ffcfd3ff : ehci_hcd
ffcfe000-ffcfefff : 0000:00:19.0
  ffcfe000-ffcfefff : e1000e
ffcff000-ffcff00f : 0000:00:03.0
ffd00000-ffffffff : reserved
  ffd00000-ffffffff : pnp 00:00
100000000-13bffffff : System RAM

[8.5.] lspci.vvv.txt attached

[8.6.] # cat /proc/scsi/scsi 
Attached devices:
Host: scsi0 Channel: 00 Id: 00 Lun: 00
  Vendor: ATA      Model: Hitachi HTS72323 Rev: FC4O
  Type:   Direct-Access                    ANSI  SCSI revision: 05
Host: scsi1 Channel: 00 Id: 00 Lun: 00
  Vendor: TEAC     Model: DV-W28S-RT       Rev: 7.0D
  Type:   CD-ROM                           ANSI  SCSI revision: 05
Host: scsi5 Channel: 00 Id: 00 Lun: 00
  Vendor: LITE-ON  Model: DVDRW SOHW-1653S Rev: CS09
  Type:   CD-ROM                           ANSI  SCSI revision: 00


[8.7] -


Hopefully I gathered all what's needed.

Machine works very well besides this kernel bug. No problem at all so far. 
However, I'm still not quite sure 

KR,


Oliver

-- 
DI Oliver Maurhart
Safety & Security Department
Secure Quantum Technologies

AIT Austrian Institute of Technology GmbH
Donau-City-Stra�e 1 | 1220 Vienna | Austria\nT +43(0) 50550-4771 | M +43(0) 
664 8251205\noliver.maurhart@....ac.at | http://www.ait.ac.at\n\nFN: 115980 i 
HG Wien | UID: ATU14703506\nRSA2048

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