[Bug 962332] Re: BUG: unable to handle kernel paging request at ffff8802166616e0

Luis Henriques luis.henriques at canonical.com
Fri Mar 23 11:00:59 UTC 2012


This is an iscsitarget issue, which as been reported already in bug
#882540.

** Package changed: linux (Ubuntu) => iscsitarget (Ubuntu)

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https://bugs.launchpad.net/bugs/962332

Title:
  BUG: unable to handle kernel paging request at ffff8802166616e0

Status in “iscsitarget” package in Ubuntu:
  Confirmed

Bug description:
  not sure what the automatic "bug report utility" is reporting.  I am
  hoping it does report the problem I am experiencing with iSCSItarget.
  Just to be safe, I copied the most important lines from syslog here:

  Mar 22 09:24:18 wkuballa185 dhclient: bound to 10.35.160.185 -- renewal in 287 seconds.
  Mar 22 09:29:05 wkuballa185 dhclient: DHCPREQUEST of 10.35.160.185 on eth0 to 10.35.160.190 port 67
  Mar 22 09:29:05 wkuballa185 dhclient: DHCPACK of 10.35.160.185 from 10.35.160.190
  Mar 22 09:29:05 wkuballa185 dhclient: bound to 10.35.160.185 -- renewal in 273 seconds.
  Mar 22 09:30:33 wkuballa185 kernel: [ 4575.907255] iscsi_trgt: BUG at /var/lib/dkms/iscsitarget/1.4.20.2/build/kernel/iscsi.c:392 assert(req->tio)
  Mar 22 09:30:33 wkuballa185 kernel: [ 4575.907260] Pid: 1171, comm: istiod1 Tainted: P         C O 3.2.0-20-generic #32-Ubuntu
  Mar 22 09:30:33 wkuballa185 kernel: [ 4575.907263] Call Trace:
  Mar 22 09:30:33 wkuballa185 kernel: [ 4575.907272]  [<ffffffffa0537ba9>] send_data_rsp+0x1f9/0x230 [iscsi_trgt]
  Mar 22 09:30:33 wkuballa185 kernel: [ 4575.907279]  [<ffffffff8165beee>] ? _raw_spin_lock+0xe/0x20
  Mar 22 09:30:33 wkuballa185 kernel: [ 4575.907285]  [<ffffffffa0542bfd>] ? ua_pending+0x8d/0xf0 [iscsi_trgt]
  Mar 22 09:30:33 wkuballa185 kernel: [ 4575.907288]  [<ffffffff8165beee>] ? _raw_spin_lock+0xe/0x20
  Mar 22 09:30:33 wkuballa185 kernel: [ 4575.907293]  [<ffffffffa05410a7>] disk_execute_cmnd+0x257/0x290 [iscsi_trgt]
  Mar 22 09:30:33 wkuballa185 kernel: [ 4575.907299]  [<ffffffffa053bc6d>] worker_thread+0x15d/0x300 [iscsi_trgt]
  Mar 22 09:30:33 wkuballa185 kernel: [ 4575.907304]  [<ffffffff8105fad0>] ? try_to_wake_up+0x200/0x200
  Mar 22 09:30:33 wkuballa185 kernel: [ 4575.907309]  [<ffffffffa053bb10>] ? nthread_stop+0x60/0x60 [iscsi_trgt]
  Mar 22 09:30:33 wkuballa185 kernel: [ 4575.907312]  [<ffffffff8108a45c>] kthread+0x8c/0xa0
  Mar 22 09:30:33 wkuballa185 kernel: [ 4575.907316]  [<ffffffff81666674>] kernel_thread_helper+0x4/0x10
  Mar 22 09:30:33 wkuballa185 kernel: [ 4575.907320]  [<ffffffff8108a3d0>] ? flush_kthread_worker+0xa0/0xa0
  Mar 22 09:30:33 wkuballa185 kernel: [ 4575.907323]  [<ffffffff81666670>] ? gs_change+0x13/0x13
  Mar 22 09:30:33 wkuballa185 kernel: [ 4575.907343] ------------[ cut here ]------------
  Mar 22 09:30:33 wkuballa185 kernel: [ 4575.907345] kernel BUG at /var/lib/dkms/iscsitarget/1.4.20.2/build/kernel/iscsi.c:392!
  Mar 22 09:30:33 wkuballa185 kernel: [ 4575.907348] invalid opcode: 0000 [#1] SMP 
  Mar 22 09:30:33 wkuballa185 kernel: [ 4575.907351] CPU 0 
  Mar 22 09:30:33 wkuballa185 kernel: [ 4575.907353] Modules linked in: iscsi_trgt(O) bnep rfcomm bluetooth ib_iser rdma_cm ib_cm iw_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ext2 vesafb snd_hda_codec_analog snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq fglrx(P) snd_timer snd_seq_device snd dcdbas psmouse dell_wmi sparse_keymap serio_raw soundcore mac_hid snd_page_alloc ppdev mei(C) parport_pc wmi lp parport usbhid hid e1000e
  Mar 22 09:30:33 wkuballa185 kernel: [ 4575.907389] 
  Mar 22 09:30:33 wkuballa185 kernel: [ 4575.907391] Pid: 1171, comm: istiod1 Tainted: P         C O 3.2.0-20-generic #32-Ubuntu Dell Inc. OptiPlex 760                 /0M863N
  Mar 22 09:30:33 wkuballa185 kernel: [ 4575.907397] RIP: 0010:[<ffffffffa0537ba9>]  [<ffffffffa0537ba9>] send_data_rsp+0x1f9/0x230 [iscsi_trgt]
  Mar 22 09:30:33 wkuballa185 kernel: [ 4575.907403] RSP: 0018:ffff8802282c5dd0  EFLAGS: 00010282
  Mar 22 09:30:33 wkuballa185 kernel: [ 4575.907406] RAX: 0000000000000000 RBX: ffff8802184314b8 RCX: 0000000000000001
  Mar 22 09:30:33 wkuballa185 kernel: [ 4575.907408] RDX: 0000000000000000 RSI: ffff8802282c5f58 RDI: ffff8802282c5f58
  Mar 22 09:30:33 wkuballa185 kernel: [ 4575.907411] RBP: ffff8802282c5e30 R08: 000000000000000a R09: 0000000000000000
  Mar 22 09:30:33 wkuballa185 kernel: [ 4575.907413] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
  Mar 22 09:30:33 wkuballa185 kernel: [ 4575.907416] R13: ffff88022821a018 R14: ffff88022983ade0 R15: ffff88022983ade0
  Mar 22 09:30:33 wkuballa185 kernel: [ 4575.907419] FS:  0000000000000000(0000) GS:ffff880237c00000(0000) knlGS:0000000000000000
  Mar 22 09:30:33 wkuballa185 kernel: [ 4575.907422] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
  Mar 22 09:30:33 wkuballa185 kernel: [ 4575.907424] CR2: 00007f6e6fd75000 CR3: 0000000001c05000 CR4: 00000000000406f0
  Mar 22 09:30:33 wkuballa185 kernel: [ 4575.907427] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
  Mar 22 09:30:33 wkuballa185 kernel: [ 4575.907429] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
  Mar 22 09:30:33 wkuballa185 kernel: [ 4575.907432] Process istiod1 (pid: 1171, threadinfo ffff8802282c4000, task ffff88022983ade0)
  Mar 22 09:30:33 wkuballa185 kernel: [ 4575.907434] Stack:
  Mar 22 09:30:33 wkuballa185 kernel: [ 4575.907436]  ffff8802282c5de0 ffffffff8165beee ffff8802282c5e30 ffffffffa0542bfd
  Mar 22 09:30:33 wkuballa185 kernel: [ 4575.907441]  ffff8802282c5e00 ffffffff8165beee ffff8802282c5e30 ffff8802184314b8
  Mar 22 09:30:33 wkuballa185 kernel: [ 4575.907445]  ffff88022821a000 ffff88022821a018 ffff88022983ade0 ffff88022983ade0
  Mar 22 09:30:33 wkuballa185 kernel: [ 4575.907450] Call Trace:
  Mar 22 09:30:33 wkuballa185 kernel: [ 4575.907453]  [<ffffffff8165beee>] ? _raw_spin_lock+0xe/0x20
  Mar 22 09:30:33 wkuballa185 kernel: [ 4575.907459]  [<ffffffffa0542bfd>] ? ua_pending+0x8d/0xf0 [iscsi_trgt]
  Mar 22 09:30:33 wkuballa185 kernel: [ 4575.907462]  [<ffffffff8165beee>] ? _raw_spin_lock+0xe/0x20
  Mar 22 09:30:33 wkuballa185 kernel: [ 4575.907468]  [<ffffffffa05410a7>] disk_execute_cmnd+0x257/0x290 [iscsi_trgt]
  Mar 22 09:30:33 wkuballa185 kernel: [ 4575.907473]  [<ffffffffa053bc6d>] worker_thread+0x15d/0x300 [iscsi_trgt]
  Mar 22 09:30:33 wkuballa185 kernel: [ 4575.907477]  [<ffffffff8105fad0>] ? try_to_wake_up+0x200/0x200
  Mar 22 09:30:33 wkuballa185 kernel: [ 4575.907482]  [<ffffffffa053bb10>] ? nthread_stop+0x60/0x60 [iscsi_trgt]
  Mar 22 09:30:33 wkuballa185 kernel: [ 4575.907485]  [<ffffffff8108a45c>] kthread+0x8c/0xa0
  Mar 22 09:30:33 wkuballa185 kernel: [ 4575.907489]  [<ffffffff81666674>] kernel_thread_helper+0x4/0x10
  Mar 22 09:30:33 wkuballa185 kernel: [ 4575.907493]  [<ffffffff8108a3d0>] ? flush_kthread_worker+0xa0/0xa0
  Mar 22 09:30:33 wkuballa185 kernel: [ 4575.907496]  [<ffffffff81666670>] ? gs_change+0x13/0x13
  Mar 22 09:30:33 wkuballa185 kernel: [ 4575.907498] Code: 83 29 ca eb c2 48 c7 c1 f3 6f 54 a0 ba 88 01 00 00 48 c7 c6 d8 57 54 a0 48 c7 c7 10 58 54 a0 31 c0 e8 45 be 10 e1 e8 1b 92 10 e1 <0f> 0b 48 89 d9 ba fb 00 00 00 48 c7 c6 20 49 54 a0 48 c7 c7 6f 
  Mar 22 09:30:33 wkuballa185 kernel: [ 4575.907536] RIP  [<ffffffffa0537ba9>] send_data_rsp+0x1f9/0x230 [iscsi_trgt]
  Mar 22 09:30:33 wkuballa185 kernel: [ 4575.907542]  RSP <ffff8802282c5dd0>
  Mar 22 09:30:33 wkuballa185 kernel: [ 4575.907545] ---[ end trace 86cad53962882b9d ]---
  Mar 22 09:31:34 wkuballa185 kernel: [ 4637.459442] iscsi_trgt: Logical Unit Reset (05) issued on tid:1 lun:0 by sid:282575411150912 (Function Complete)
  Mar 22 09:31:34 wkuballa185 kernel: [ 4637.460247] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)
  Mar 22 09:31:34 wkuballa185 kernel: [ 4637.460249] BUG: unable to handle kernel paging request at ffff8802127a5bc0
  Mar 22 09:31:34 wkuballa185 kernel: [ 4637.460253] IP: [<ffff8802127a5bc0>] 0xffff8802127a5bbf
  Mar 22 09:31:34 wkuballa185 kernel: [ 4637.460260] PGD 1c06063 PUD bfdf9067 PMD 80000002126001e3 
  Mar 22 09:31:34 wkuballa185 kernel: [ 4637.460264] Oops: 0011 [#2] SMP 
  Mar 22 09:31:34 wkuballa185 kernel: [ 4637.460268] CPU 0 
  Mar 22 09:31:34 wkuballa185 kernel: [ 4637.460270] Modules linked in: iscsi_trgt(O) bnep rfcomm bluetooth ib_iser rdma_cm ib_cm iw_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ext2 vesafb snd_hda_codec_analog snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq fglrx(P) snd_timer snd_seq_device snd dcdbas psmouse dell_wmi sparse_keymap serio_raw soundcore mac_hid snd_page_alloc ppdev mei(C) parport_pc wmi lp parport usbhid hid e1000e
  Mar 22 09:31:34 wkuballa185 kernel: [ 4637.460306] 
  Mar 22 09:31:34 wkuballa185 kernel: [ 4637.460308] Pid: 1167, comm: istd1 Tainted: P      D  C O 3.2.0-20-generic #32-Ubuntu Dell Inc. OptiPlex 760                 /0M863N
  Mar 22 09:31:34 wkuballa185 kernel: [ 4637.460314] RIP: 0010:[<ffff8802127a5bc0>]  [<ffff8802127a5bc0>] 0xffff8802127a5bbf
  Mar 22 09:31:34 wkuballa185 kernel: [ 4637.460318] RSP: 0018:ffff8802280f5b48  EFLAGS: 00010093
  Mar 22 09:31:34 wkuballa185 kernel: [ 4637.460321] RAX: ffff8802282c5e80 RBX: ffff8802127a6190 RCX: 0000000000000000
  Mar 22 09:31:34 wkuballa185 kernel: [ 4637.460323] RDX: 0000000000000000 RSI: 0000000000000003 RDI: ffff8802282c5e80
  Mar 22 09:31:34 wkuballa185 kernel: [ 4637.460326] RBP: ffff8802280f5b90 R08: ffff880237c13780 R09: 0000000000000001
  Mar 22 09:31:34 wkuballa185 kernel: [ 4637.460328] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000013780
  Mar 22 09:31:34 wkuballa185 kernel: [ 4637.460331] R13: ffff88022821a030 R14: 0000000000000000 R15: 0000000000000000
  Mar 22 09:31:34 wkuballa185 kernel: [ 4637.460334] FS:  0000000000000000(0000) GS:ffff880237c00000(0000) knlGS:0000000000000000
  Mar 22 09:31:34 wkuballa185 kernel: [ 4637.460336] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
  Mar 22 09:31:34 wkuballa185 kernel: [ 4637.460339] CR2: ffff8802127a5bc0 CR3: 0000000001c05000 CR4: 00000000000406f0
  Mar 22 09:31:34 wkuballa185 kernel: [ 4637.460341] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
  Mar 22 09:31:34 wkuballa185 kernel: [ 4637.460344] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
  Mar 22 09:31:34 wkuballa185 kernel: [ 4637.460347] Process istd1 (pid: 1167, threadinfo ffff8802280f4000, task ffff8802281fdbc0)
  Mar 22 09:31:34 wkuballa185 kernel: [ 4637.460349] Stack:
  Mar 22 09:31:34 wkuballa185 kernel: [ 4637.460351]  ffffffff8104c308 0000000000000000 0000000300000001 ffff8802280f5b70
  Mar 22 09:31:34 wkuballa185 kernel: [ 4637.460356]  ffff88022821a028 0000000000000282 0000000000000003 0000000000000001
  Mar 22 09:31:34 wkuballa185 kernel: [ 4637.460360]  0000000000000000 ffff8802280f5bd0 ffffffff8104deb8 0000000000000000
  Mar 22 09:31:34 wkuballa185 kernel: [ 4637.460365] Call Trace:
  Mar 22 09:31:34 wkuballa185 kernel: [ 4637.460372]  [<ffffffff8104c308>] ? __wake_up_common+0x58/0x90
  Mar 22 09:31:34 wkuballa185 kernel: [ 4637.460376]  [<ffffffff8104deb8>] __wake_up+0x48/0x70
  Mar 22 09:31:34 wkuballa185 kernel: [ 4637.460383]  [<ffffffffa053bf4d>] wthread_queue+0x7d/0x140 [iscsi_trgt]
  Mar 22 09:31:34 wkuballa185 kernel: [ 4637.460388]  [<ffffffffa0537113>] iscsi_device_queue_cmnd+0x13/0x20 [iscsi_trgt]
  Mar 22 09:31:34 wkuballa185 kernel: [ 4637.460393]  [<ffffffffa053860a>] iscsi_cmnd_exec+0x53a/0x820 [iscsi_trgt]
  Mar 22 09:31:34 wkuballa185 kernel: [ 4637.460398]  [<ffffffffa0536e87>] ? cmnd_insert_hash_ttt+0xd7/0x100 [iscsi_trgt]
  Mar 22 09:31:34 wkuballa185 kernel: [ 4637.460403]  [<ffffffffa0538b44>] iscsi_session_push_cmnd+0x254/0x310 [iscsi_trgt]
  Mar 22 09:31:34 wkuballa185 kernel: [ 4637.460408]  [<ffffffffa053949e>] ? cmnd_rx_start+0x24e/0xab0 [iscsi_trgt]
  Mar 22 09:31:34 wkuballa185 kernel: [ 4637.460413]  [<ffffffffa0539e48>] cmnd_rx_end+0x148/0x320 [iscsi_trgt]
  Mar 22 09:31:34 wkuballa185 kernel: [ 4637.460418]  [<ffffffffa053a8cd>] istd+0x3fd/0x1470 [iscsi_trgt]
  Mar 22 09:31:34 wkuballa185 kernel: [ 4637.460423]  [<ffffffff815a7ed0>] ? inet_sendmsg+0xb0/0xb0
  Mar 22 09:31:34 wkuballa185 kernel: [ 4637.460428]  [<ffffffffa053a4d0>] ? nthread_wakeup+0x50/0x50 [iscsi_trgt]
  Mar 22 09:31:34 wkuballa185 kernel: [ 4637.460433]  [<ffffffff8108a45c>] kthread+0x8c/0xa0
  Mar 22 09:31:34 wkuballa185 kernel: [ 4637.460437]  [<ffffffff81666674>] kernel_thread_helper+0x4/0x10
  Mar 22 09:31:34 wkuballa185 kernel: [ 4637.460441]  [<ffffffff8108a3d0>] ? flush_kthread_worker+0xa0/0xa0
  Mar 22 09:31:34 wkuballa185 kernel: [ 4637.460444]  [<ffffffff81666670>] ? gs_change+0x13/0x13
  Mar 22 09:31:34 wkuballa185 kernel: [ 4637.460446] Code: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <00> 00 00 00 00 00 00 00 00 40 2c 28 02 88 ff ff 00 00 00 00 0c 
  Mar 22 09:31:34 wkuballa185 kernel: [ 4637.460485] RIP  [<ffff8802127a5bc0>] 0xffff8802127a5bbf
  Mar 22 09:31:34 wkuballa185 kernel: [ 4637.460489]  RSP <ffff8802280f5b48>
  Mar 22 09:31:34 wkuballa185 kernel: [ 4637.460490] CR2: ffff8802127a5bc0
  Mar 22 09:31:34 wkuballa185 kernel: [ 4637.460493] ---[ end trace 86cad53962882b9e ]---
  Mar 22 09:33:38 wkuballa185 dhclient: DHCPREQUEST of 10.35.160.185 on eth0 to 10.35.160.190 port 67
  Mar 22 09:33:38 wkuballa185 dhclient: DHCPACK of 10.35.160.185 from 10.35.160.190
  Mar 22 09:33:38 wkuballa185 dhclient: bound to 10.35.160.185 -- renewal in 266 seconds.
  Mar 22 09:38:04 wkuballa185 dhclient: DHCPREQUEST of 10.35.160.185 on eth0 to 10.35.160.190 port 67
  Mar 22 09:38:04 wkuballa185 dhclient: DHCPACK of 10.35.160.185 from 10.35.160.190
  Mar 22 09:38:04 wkuballa185 dhclient: bound to 10.35.160.185 -- renewal in 265 seconds.
  Mar 22 09:42:29 wkuballa185 dhclient: DHCPREQUEST of 10.35.160.185 on eth0 to 10.35.160.190 port 67
  Mar 22 09:42:29 wkuballa185 dhclient: DHCPACK of 10.35.160.185 from 10.35.160.190
  Mar 22 09:42:29 wkuballa185 dhclient: bound to 10.35.160.185 -- renewal in 247 seconds.
  Mar 22 09:46:23 wkuballa185 rtkit-daemon[1775]: Successfully made thread 2273 of process 2273 (n/a) owned by '1000' high priority at nice level -11.
  Mar 22 09:46:23 wkuballa185 rtkit-daemon[1775]: Supervising 4 threads of 2 processes of 2 users.
  Mar 22 09:46:23 wkuballa185 rtkit-daemon[1775]: Successfully made thread 2278 of process 2273 (n/a) owned by '1000' RT at priority 5.
  Mar 22 09:46:23 wkuballa185 rtkit-daemon[1775]: Supervising 5 threads of 2 processes of 2 users.
  Mar 22 09:46:23 wkuballa185 rtkit-daemon[1775]: Successfully made thread 2279 of process 2273 (n/a) owned by '1000' RT at priority 5.
  Mar 22 09:46:23 wkuballa185 rtkit-daemon[1775]: Supervising 6 threads of 2 processes of 2 users.
  Mar 22 09:46:24 wkuballa185 dbus[913]: [system] Activating service name='org.freedesktop.UDisks' (using servicehelper)
  Mar 22 09:46:24 wkuballa185 dbus[913]: [system] Successfully activated service 'org.freedesktop.UDisks'
  Mar 22 09:46:36 wkuballa185 dhclient: DHCPREQUEST of 10.35.160.185 on eth0 to 10.35.160.190 port 67
  Mar 22 09:46:36 wkuballa185 dhclient: DHCPACK of 10.35.160.185 from 10.35.160.190
  Mar 22 09:46:36 wkuballa185 dhclient: bound to 10.35.160.185 -- renewal in 292 seconds.
  Mar 22 09:47:32 wkuballa185 dbus[913]: [system] Activating service name='org.freedesktop.PackageKit' (using servicehelper)
  Mar 22 09:47:33 wkuballa185 AptDaemon: INFO: Initializing daemon
  Mar 22 09:47:34 wkuballa185 AptDaemon.PackageKit: INFO: Initializing PackageKit compat layer

  ProblemType: KernelOops
  DistroRelease: Ubuntu 12.04
  Package: linux-image-3.2.0-19-generic
  Uname: Linux 3.2.0-20-generic x86_64
  Annotation: Your system might become unstable now and might need to be restarted.
  Architecture: amd64
  Date: Wed Mar 21 14:21:47 2012
  Failure: oops
  SourcePackage: linux
  --- 
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 1.94.1-0ubuntu2
  Architecture: amd64
  ArecordDevices:
   **** List of CAPTURE Hardware Devices ****
   card 0: Intel [HDA Intel], device 0: AD198x Analog [AD198x Analog]
     Subdevices: 2/2
     Subdevice #0: subdevice #0
     Subdevice #1: subdevice #1
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  wkuballa   2231 F.... pulseaudio
  CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found.
  Card0.Amixer.info:
   Card hw:0 'Intel'/'HDA Intel at 0xf7fdc000 irq 51'
     Mixer name	: 'Analog Devices AD1984A'
     Components	: 'HDA:11d4194a,1028027f,00100400'
     Controls      : 34
     Simple ctrls  : 20
  DistroRelease: Ubuntu 12.04
  HibernationDevice: RESUME=UUID=9a60a887-ed25-46c2-9303-d53feb419b8c
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120301)
  IwConfig:
   lo        no wireless extensions.
   
   eth0      no wireless extensions.
  MachineType: Dell Inc. OptiPlex 760
  NonfreeKernelModules: fglrx
  Package: linux (not installed)
  ProcEnviron:
   TERM=xterm
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 VESA VGA
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.2.0-20-generic root=/dev/mapper/SysVG-SysRoot ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.2.0-20.32-generic 3.2.12
  RelatedPackageVersions:
   linux-restricted-modules-3.2.0-20-generic N/A
   linux-backports-modules-3.2.0-20-generic  N/A
   linux-firmware                            1.73
  RfKill:
   
  StagingDrivers: mei
  Tags:  precise staging
  Uname: Linux 3.2.0-20-generic x86_64
  UpgradeStatus: Upgraded to precise on 2012-03-13 (9 days ago)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  dmi.bios.date: 08/04/2011
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A13
  dmi.board.name: 0M863N
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A01
  dmi.chassis.type: 15
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA13:bd08/04/2011:svnDellInc.:pnOptiPlex760:pvr:rvnDellInc.:rn0M863N:rvrA01:cvnDellInc.:ct15:cvr:
  dmi.product.name: OptiPlex 760
  dmi.sys.vendor: Dell Inc.

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