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SubjectPROBLEM: heavy network traffic triggers system crash
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1. Summary: heavy network traffic triggers "recvmsg bug" and system crash

2. Have being running Ubuntu (9.04 to 9.10) on Toshiba Satellite
L40-139 laptop. Heavy network traffic systematically triggers a crash
(either kernel panic or segmentation fault). Among applications that
have triggered system crash are: firefox (all versions since 3.2.3);
system update manager, a Java-based application downloading via
http/ftp. Usually the problem appears while downloading at speed of
150kBytes/s or more within 20-30 min. Just before the moment of
crash, tons of messages like:
Feb 3 02:30:04 kovalev-home kernel: [35474.511460] recvmsg bug:
copied BFA5DAF9 seq BFA5E0A1
fill up system logs (preceeded with application warning).
The problem has been observed first with kernel 2.6.28-13 and persists
through 2.6.31-19, all have been installed from official Ubuntu
repositories. Network connection is via Atheros AR5007eg wireless
(reported as AR5001 by ath5k), with several different routers and
providers. Since Windows Vista had never crashed by similar network
traffic on this machine, this doesn't look like a hardware fault.

Examples of warning right before crash (syslog):
---------------
Feb 2 12:51:38 kovalev-home kernel: [76478.454177] WARNING: at
/build/buildd/linux-2.6.31/net/ipv4/tcp.c:1408
tcp_recvmsg+0xa49/0xb20()
Feb 2 12:51:38 kovalev-home kernel: [76478.454179] Hardware name: Satellite L40
Feb 2 12:51:38 kovalev-home kernel: [76478.454181] Modules linked in:
sbp2 xt_tcpudp aes_i586 aes_generic binfmt_misc ppdev nls_iso8859_1
nls_cp437 vfat fat joydev snd_hda_codec_analog arc4 ecb pcmcia
snd_hda_intel snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss
snd_pcm snd_seq_dummy iptable_filter snd_seq_oss ip_tables x_tables
snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer
snd_seq_device psmouse serio_raw yenta_socket rsrc_nonstatic
pcmcia_core snd shpchp ath5k mac80211 ath cfg80211 soundcore
snd_page_alloc asus_laptop led_class video1394 raw1394 lp parport
usbhid fbcon tileblit font bitblit softcursor 8139too 8139cp mii
ohci1394 ieee1394 i915 drm i2c_algo_bit intel_agp agpgart video output
Feb 2 12:51:38 kovalev-home kernel: [76478.454230] Pid: 2357, comm:
transmission Tainted: G W 2.6.31-18-generic #55-Ubuntu
Feb 2 12:51:38 kovalev-home kernel: [76478.454233] Call Trace:
Feb 2 12:51:38 kovalev-home kernel: [76478.454237] [<c014513d>]
warn_slowpath_common+0x6d/0xa0
Feb 2 12:51:38 kovalev-home kernel: [76478.454242] [<c04d2439>] ?
tcp_recvmsg+0xa49/0xb20
Feb 2 12:51:38 kovalev-home kernel: [76478.454245] [<c04d2439>] ?
tcp_recvmsg+0xa49/0xb20
Feb 2 12:51:38 kovalev-home kernel: [76478.454250] [<c0145185>]
warn_slowpath_null+0x15/0x20
Feb 2 12:51:38 kovalev-home kernel: [76478.454254] [<c04d2439>]
tcp_recvmsg+0xa49/0xb20
Feb 2 12:51:38 kovalev-home kernel: [76478.454259] [<c0492433>]
sock_common_recvmsg+0x43/0x60
Feb 2 12:51:38 kovalev-home kernel: [76478.454263] [<c04920ac>]
sock_aio_read+0x11c/0x130
Feb 2 12:51:38 kovalev-home kernel: [76478.454267] [<c01e78fc>]
do_sync_read+0xbc/0x100
Feb 2 12:51:38 kovalev-home kernel: [76478.454272] [<c015c1d0>] ?
autoremove_wake_function+0x0/0x40
Feb 2 12:51:38 kovalev-home kernel: [76478.454276] [<c04f02c1>] ?
inet_ioctl+0x31/0xb0
Feb 2 12:51:38 kovalev-home kernel: [76478.454280] [<c02cbb7f>] ?
security_file_permission+0xf/0x20
Feb 2 12:51:38 kovalev-home kernel: [76478.454284] [<c01e799f>] ?
rw_verify_area+0x5f/0xe0
Feb 2 12:51:38 kovalev-home kernel: [76478.454287] [<c0490940>] ?
sock_ioctl+0x0/0x260
Feb 2 12:51:38 kovalev-home kernel: [76478.454291] [<c01e7fda>]
vfs_read+0x17a/0x190
Feb 2 12:51:38 kovalev-home kernel: [76478.454295] [<c01f5651>] ?
do_vfs_ioctl+0x71/0x310
Feb 2 12:51:38 kovalev-home kernel: [76478.454299] [<c0217e0d>] ?
sys_epoll_ctl+0x9d/0x240
Feb 2 12:51:38 kovalev-home kernel: [76478.454303] [<c01e850d>]
sys_read+0x3d/0x70
Feb 2 12:51:38 kovalev-home kernel: [76478.454307] [<c01033ac>]
syscall_call+0x7/0xb
Feb 2 12:51:38 kovalev-home kernel: [76478.454309] ---[ end trace
1d3e832a4fd8afb9 ]---
Feb 2 12:51:38 kovalev-home kernel: [76478.454312] recvmsg bug:
copied 7B0ADBE3 seq 7B0AE18B
---------------
Feb 3 02:52:43 kovalev-home kernel: [36833.898061] WARNING: at
/build/buildd/linux-2.6.31/net/ipv4/tcp.c:1470
tcp_recvmsg+0x9b6/0xb20()
Feb 3 02:52:43 kovalev-home kernel: [36833.898065] Hardware name: Satellite L40
Feb 3 02:52:43 kovalev-home kernel: [36833.898067] Modules linked in:
xt_tcpudp aes_i586 aes_generic binfmt_misc ppdev nls_iso8859_1
nls_cp437 vfat fat joydev snd_hda_codec_analog arc4 ecb pcmcia
snd_hda_intel snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss
snd_pcm snd_seq_dummy snd_seq_oss iptable_filter ip_tables x_tables
snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer
snd_seq_device psmouse serio_raw yenta_socket rsrc_nonstatic
pcmcia_core shpchp ath5k mac80211 ath cfg80211 snd soundcore
snd_page_alloc asus_laptop led_class video1394 raw1394 lp parport
usbhid fbcon tileblit font bitblit softcursor ohci1394 ieee1394
8139too 8139cp mii i915 drm i2c_algo_bit intel_agp agpgart video
output
Feb 3 02:52:43 kovalev-home kernel: [36833.898126] Pid: 22266, comm:
java Tainted: G W 2.6.31-18-generic #55-Ubuntu
Feb 3 02:52:43 kovalev-home kernel: [36833.898129] Call Trace:
Feb 3 02:52:43 kovalev-home kernel: [36833.898136] [<c014513d>]
warn_slowpath_common+0x6d/0xa0
Feb 3 02:52:43 kovalev-home kernel: [36833.898141] [<c04d23a6>] ?
tcp_recvmsg+0x9b6/0xb20
Feb 3 02:52:43 kovalev-home kernel: [36833.898145] [<c04d23a6>] ?
tcp_recvmsg+0x9b6/0xb20
Feb 3 02:52:43 kovalev-home kernel: [36833.898150] [<c0145185>]
warn_slowpath_null+0x15/0x20
Feb 3 02:52:43 kovalev-home kernel: [36833.898154] [<c04d23a6>]
tcp_recvmsg+0x9b6/0xb20
Feb 3 02:52:43 kovalev-home kernel: [36833.898159] [<c0492433>]
sock_common_recvmsg+0x43/0x60
Feb 3 02:52:43 kovalev-home kernel: [36833.898163] [<c04908c0>]
sock_recvmsg+0xf0/0x120
Feb 3 02:52:43 kovalev-home kernel: [36833.898167] [<c01b346d>] ?
generic_file_buffered_write+0x5d/0x150
Feb 3 02:52:43 kovalev-home kernel: [36833.898173] [<c015c1d0>] ?
autoremove_wake_function+0x0/0x40
Feb 3 02:52:43 kovalev-home kernel: [36833.898177] [<c01b4e13>] ?
__generic_file_aio_write_nolock+0x1f3/0x510
Feb 3 02:52:43 kovalev-home kernel: [36833.898191] [<f8e466e5>] ?
ath5k_tx_processq+0x2a5/0x340 [ath5k]
Feb 3 02:52:43 kovalev-home kernel: [36833.898196] [<c01338bd>] ?
__enqueue_entity+0x9d/0xc0
Feb 3 02:52:43 kovalev-home kernel: [36833.898200] [<c0490e33>]
sys_recvfrom+0xb3/0x130
Feb 3 02:52:43 kovalev-home kernel: [36833.898205] [<c015fcdc>] ?
ktime_get_ts+0x4c/0x60
Feb 3 02:52:43 kovalev-home kernel: [36833.898209] [<c015fd06>] ?
ktime_get+0x16/0x40
Feb 3 02:52:43 kovalev-home kernel: [36833.898213] [<c0573f61>] ?
_spin_unlock_bh+0x11/0x20
Feb 3 02:52:43 kovalev-home kernel: [36833.898217] [<c0492c04>] ?
release_sock+0x94/0xa0
Feb 3 02:52:43 kovalev-home kernel: [36833.898221] [<c04d1642>] ?
tcp_ioctl+0x72/0x170
Feb 3 02:52:43 kovalev-home kernel: [36833.898225] [<c04d15d0>] ?
tcp_ioctl+0x0/0x170
Feb 3 02:52:43 kovalev-home kernel: [36833.898230] [<c0512881>] ?
inet6_ioctl+0x31/0xd0
Feb 3 02:52:43 kovalev-home kernel: [36833.898233] [<c04909a8>] ?
sock_ioctl+0x68/0x260
Feb 3 02:52:43 kovalev-home kernel: [36833.898236] [<c0490ee6>]
sys_recv+0x36/0x40
Feb 3 02:52:43 kovalev-home kernel: [36833.898240] [<c0491cf0>]
sys_socketcall+0x190/0x270
Feb 3 02:52:43 kovalev-home kernel: [36833.898245] [<c0165341>] ?
do_gettimeofday+0x11/0x40
Feb 3 02:52:43 kovalev-home kernel: [36833.898249] [<c01033ac>]
syscall_call+0x7/0xb
Feb 3 02:52:43 kovalev-home kernel: [36833.898252] ---[ end trace
d1a4a3665ef673d0 ]---
--------

3. SYSTEM CONFIGURATION

Ubuntu 9.10; Linux kernel 2.6.31-18 (currently 2.6.31-19.56) and Gnome 2.28.1

Networking (running via wlan0):
eth0 Link encap:Ethernet HWaddr 00:1a:92:fc:ad:97
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
Interrupt:16 Base address:0xd800

lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:183847 errors:0 dropped:0 overruns:0 frame:0
TX packets:183847 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:46933290 (46.9 MB) TX bytes:46933290 (46.9 MB)

wlan0 Link encap:Ethernet HWaddr 00:1b:9e:4a:2e:f8
inet addr:192.168.1.65 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::21b:9eff:fe4a:2ef8/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:5432610 errors:0 dropped:0 overruns:0 frame:0
TX packets:5681225 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:156835732 (156.8 MB) TX bytes:60892985 (60.8 MB)

wmaster0 Link encap:UNSPEC HWaddr
00-1B-9E-4A-2E-F8-34-61-00-00-00-00-00-00-00-00
UP RUNNING MTU:0 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)

iwconfig output:
wlan0 IEEE 802.11bg ESSID:"BTHomeHub2-HKZ2"
Mode:Managed Frequency:2.457 GHz Access Point: 00:24:17:C7:72:3B
Bit Rate=54 Mb/s Tx-Power=20 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Encryption
key:CC35-06B9-0F61-D80D-01EA-582C-2887-81AA-B663-D88C-8A79-B717-E020-7AEF-C85F-5A06
[2]
Power Management:off
Link Quality=58/70 Signal level=-52 dBm Noise level=-102 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0

7.2. /proc/cpuinfo:
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 22
model name : Intel(R) Celeron(R) M CPU 520 @ 1.60GHz
stepping : 1
cpu MHz : 1595.985
cache size : 1024 KB
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 10
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat
pse36 clflush dts acpi mmx fxsr sse sse2 ss tm pbe nx lm constant_tsc
up arch_perfmon pebs bts pni dtes64 monitor ds_cpl tm2 ssse3 cx16 xtpr
pdcm lahf_lm
bogomips : 3191.97
clflush size : 64
power management:

7.3. /proc/modules
udf 80900 0 - Live 0xf8a93000
crc_itu_t 1852 1 udf, Live 0xf8165000
isofs 31620 0 - Live 0xf85a5000
sbp2 22888 1 - Live 0xf94d1000
aes_i586 8124 1 - Live 0xf85f7000
aes_generic 27484 1 aes_i586, Live 0xf85b0000
binfmt_misc 8356 1 - Live 0xf817c000
ppdev 6688 0 - Live 0xf8094000
nls_iso8859_1 3740 1 - Live 0xf8226000
nls_cp437 5372 1 - Live 0xf8208000
vfat 10716 1 - Live 0xf8174000
fat 51452 1 vfat, Live 0xf8582000
snd_hda_codec_analog 59292 1 - Live 0xf89ea000
arc4 1660 2 - Live 0xf8a3f000
ecb 2524 2 - Live 0xf8a36000
snd_hda_intel 26920 2 - Live 0xf8a26000
snd_hda_codec 75708 2 snd_hda_codec_analog,snd_hda_intel, Live 0xf8a04000
snd_hwdep 7200 1 snd_hda_codec, Live 0xf8591000
snd_pcm_oss 37920 0 - Live 0xf84ea000
snd_mixer_oss 16028 1 snd_pcm_oss, Live 0xf8278000
video1394 15452 0 - Live 0xf8272000
snd_pcm 75296 3 snd_hda_intel,snd_hda_codec,snd_pcm_oss, Live 0xf85e2000
snd_seq_dummy 2656 0 - Live 0xf816e000
snd_seq_oss 28576 0 - Live 0xf8215000
snd_seq_midi 6432 0 - Live 0xf80f8000
joydev 10240 0 - Live 0xf8159000
snd_rawmidi 22208 1 snd_seq_midi, Live 0xf8147000
snd_seq_midi_event 6940 2 snd_seq_oss,snd_seq_midi, Live 0xf80b4000
raw1394 25308 0 - Live 0xf827e000
snd_seq 50224 6
snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_seq_midi_event, Live
0xf8228000
snd_timer 22276 2 snd_pcm,snd_seq, Live 0xf820d000
snd_seq_device 6920 5
snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_rawmidi,snd_seq, Live
0xf80fb000
iptable_filter 3100 0 - Live 0xf8091000
snd 59204 16 snd_hda_codec_analog,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_seq_oss,snd_rawmidi,snd_seq,snd_timer,snd_seq_device,
Live 0xf8287000
ip_tables 11692 1 iptable_filter, Live 0xf8142000
pcmcia 36808 0 - Live 0xf809e000
ath5k 124260 0 - Live 0xf80bf000
soundcore 7264 1 snd, Live 0xf808d000
psmouse 56500 0 - Live 0xf8e53000
mac80211 181140 1 ath5k, Live 0xf8e0c000
ath 8060 1 ath5k, Live 0xf8dce000
snd_page_alloc 9156 2 snd_hda_intel,snd_pcm, Live 0xf8dc1000
cfg80211 93052 3 ath5k,mac80211,ath, Live 0xf8da2000
yenta_socket 24296 1 - Live 0xf8d64000
rsrc_nonstatic 11644 1 yenta_socket, Live 0xf8d51000
pcmcia_core 36528 3 pcmcia,yenta_socket,rsrc_nonstatic, Live 0xf8d3c000
asus_laptop 17400 0 - Live 0xf8d24000
shpchp 32272 0 - Live 0xf8d0e000
led_class 4096 2 ath5k,asus_laptop, Live 0xf8cfa000
lp 8964 0 - Live 0xf8cee000
x_tables 16544 1 ip_tables, Live 0xf8cde000
serio_raw 5280 0 - Live 0xf8cbf000
parport 35340 2 ppdev,lp, Live 0xf8cac000
usbhid 38208 0 - Live 0xf8595000
fbcon 36640 72 - Live 0xf84f6000
tileblit 2460 1 fbcon, Live 0xf84e7000
font 8124 1 fbcon, Live 0xf84df000
bitblit 5372 1 fbcon, Live 0xf8178000
softcursor 1756 1 bitblit, Live 0xf8171000
i915 221320 3 - Live 0xf82a4000
drm 159584 3 i915, Live 0xf8236000
i2c_algo_bit 5760 1 i915, Live 0xf815e000
ohci1394 29900 2 video1394, Live 0xf814f000
ieee1394 86596 4 sbp2,video1394,raw1394,ohci1394, Live 0xf80e0000
8139too 22620 0 - Live 0xf80b7000
8139cp 19260 0 - Live 0xf8097000
mii 5212 2 8139too,8139cp, Live 0xf8039000
intel_agp 27484 2 i915, Live 0xf80ab000
agpgart 34988 2 drm,intel_agp, Live 0xf8044000
video 19380 1 i915, Live 0xf803d000
output 2780 1 video, Live 0xf8020000

7.4. /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 : 0000:00:1f.2
0170-0177 : ata_piix
01f0-01f7 : 0000:00:1f.2
01f0-01f7 : ata_piix
0250-025f : pnp 00:08
0250-025f : pnp 00:0a
0376-0376 : 0000:00:1f.2
0376-0376 : ata_piix
03c0-03df : vga+
03f6-03f6 : 0000:00:1f.2
03f6-03f6 : ata_piix
0400-041f : pnp 00:08
0400-041f : pnp 00:0a
0480-04bf : 0000:00:1f.0
0480-04bf : pnp 00:08
04d0-04d1 : pnp 00:08
0800-087f : 0000:00:1f.0
0800-087f : pnp 00:08
0800-0803 : ACPI PM1a_EVT_BLK
0804-0805 : ACPI PM1a_CNT_BLK
0808-080b : ACPI PM_TMR
0810-0815 : ACPI CPU throttle
0820-0820 : ACPI PM2_CNT_BLK
0828-082f : ACPI GPE0_BLK
0cf8-0cff : PCI conf1
d000-dfff : PCI Bus 0000:06
d000-d0ff : PCI CardBus 0000:07
d400-d4ff : PCI CardBus 0000:07
d800-d8ff : 0000:06:07.0
d800-d8ff : 8139too
e400-e41f : 0000:00:1d.3
e400-e41f : uhci_hcd
e480-e49f : 0000:00:1d.2
e480-e49f : uhci_hcd
e800-e81f : 0000:00:1d.1
e800-e81f : uhci_hcd
e880-e89f : 0000:00:1d.0
e880-e89f : uhci_hcd
ec00-ec07 : 0000:00:02.0
ffa0-ffaf : 0000:00:1f.2
ffa0-ffaf : ata_piix

/proc/iomem
00000000-0000ffff : reserved
00010000-0009fbff : System RAM
0009fc00-0009ffff : reserved
000a0000-000bffff : Video RAM area
000c0000-000c7fff : Video ROM
000cf000-000cffff : Adapter ROM
000e0000-000fffff : reserved
000f0000-000fffff : System ROM
00100000-3f7bffff : System RAM
00100000-00575c47 : Kernel code
00575c48-0078d407 : Kernel data
0081a000-008a809f : Kernel bss
3f7c0000-3f7cdfff : ACPI Tables
3f7ce000-3f7fffff : ACPI Non-volatile Storage
3f800000-3fffffff : RAM buffer
40000000-43ffffff : PCI Bus 0000:06
40000000-43ffffff : PCI CardBus 0000:07
44000000-440fffff : PCI Bus 0000:03
44000000-440fffff : PCI Bus 0000:04
44000000-44003fff : 0000:04:00.0
44004000-440047ff : 0000:04:00.0
44004000-440047ff : ohci1394
48000000-4bffffff : PCI CardBus 0000:07
d0000000-dfffffff : 0000:00:02.0
e0000000-e3ffffff : PCI MMCONFIG 0 [00-3f]
e0000000-e3ffffff : pnp 00:0b
fec00000-fec00fff : IOAPIC 0
fec18000-fec1ffff : pnp 00:0a
fec20000-fec27fff : pnp 00:0a
fed00000-fed003ff : HPET 0
fed13000-fed19fff : pnp 00:01
fed1c000-fed1ffff : pnp 00:08
fed20000-fed3ffff : pnp 00:08
fed40000-fed8ffff : pnp 00:08
fee00000-fee00fff : Local APIC
fee00000-fee00fff : reserved
fee00000-fee00fff : pnp 00:0a
ff100000-ff1fffff : PCI Bus 0000:02
ff1f0000-ff1fffff : 0000:02:00.0
ff1f0000-ff1fffff : ath5k
ff300000-ff3fffff : PCI Bus 0000:06
ff300000-ff300fff : 0000:06:01.0
ff300000-ff300fff : yenta_socket
ff3ffc00-ff3ffcff : 0000:06:07.0
ff3ffc00-ff3ffcff : 8139too
ff580000-ff5fffff : 0000:00:02.1
ff63bc00-ff63bfff : 0000:00:1d.7
ff63bc00-ff63bfff : ehci_hcd
ff63c000-ff63ffff : 0000:00:1b.0
ff63c000-ff63ffff : ICH HD audio
ff640000-ff67ffff : 0000:00:02.0
ff680000-ff6fffff : 0000:00:02.0
ff780000-ffffffff : reserved
ffb00000-ffbfffff : pnp 00:08
fff80000-ffffffff : pnp 00:08

7.5. PCI information attached (pci.info)

7.6. /proc/scsi/scsi
Attached devices:
Host: scsi0 Channel: 00 Id: 00 Lun: 00
Vendor: ATA Model: TOSHIBA MK1237GS Rev: DL13
Type: Direct-Access ANSI SCSI revision: 05
Host: scsi1 Channel: 00 Id: 00 Lun: 00
Vendor: PIONEER Model: DVD-RW DVR-K17A Rev: 3.52
Type: CD-ROM ANSI SCSI revision: 05
Host: scsi4 Channel: 00 Id: 00 Lun: 00
Vendor: JMicron Model: HDD Rev:
Type: Direct-Access-RBC ANSI SCSI revision: 04
[unhandled content-type:application/x-info]
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