I examined the logfiles but - with my limited optics - can not identify any clues.
The contents of /var/log/messages are attached bellow. They are clipped to some core parts and the tail due to the length limitation of reply.
Here is the successful fat client:
X-----snip----X
Sep 16 21:34:17 dell2 kernel: 3.024373] ACPI Error: Method parse/execution failed \SXX6] (Node f484b698), AE_AML_INFINITE_LOOP (20120320/psparse-536)
Sep 16 21:34:17 dell2 kernel: 3.024460] ACPI Error: Method parse/execution failed \SXX4] (Node f484b668), AE_AML_INFINITE_LOOP (20120320/psparse-536)
Sep 16 21:34:17 dell2 kernel: 3.024541] ACPI Error: Method parse/execution failed \SX11] (Node f484b620), AE_AML_INFINITE_LOOP (20120320/psparse-536)
Sep 16 21:34:17 dell2 kernel: 3.024622] ACPI Error: Method parse/execution failed _SB_.PCI0.VID_.LCD_.BCL] (Node f4853ea8), AE_AML_INFINITE_LOOP (20120320/psparse-536)
Sep 16 21:34:17 dell2 kernel: 3.024719] ACPI Error: Method parse/execution failed _SB.PCI0.ISAB.ECDV.ECR1] (Node f485a338), AE_TIME (20120320/psparse-536)
Sep 16 21:34:17 dell2 kernel: 3.024806] ACPI Error: Method parse/execution failed _SB_.PCI0.ISAB.ECDV.ECR2] (Node f485a320), AE_TIME (20120320/psparse-536)
Sep 16 21:34:17 dell2 kernel: 3.024892] ACPI Error: Method parse/execution failed \ECRW] (Node f485a260), AE_TIME (20120320/psparse-536)
Sep 16 21:34:17 dell2 kernel: 3.024967] ACPI Error: Method parse/execution failed \ECG1] (Node f485ad70), AE_TIME (20120320/psparse-536)
Sep 16 21:34:17 dell2 kernel: 3.025042] ACPI Error: Method parse/execution failed \NEVT] (Node f4858890), AE_TIME (20120320/psparse-536)
Sep 16 21:34:17 dell2 kernel: 3.025116] ACPI Error: Method parse/execution failed _SB_.PCI0.ISAB.ECDV._Q66] (Node f485a350), AE_TIME (20120320/psparse-536)
Sep 16 21:34:17 dell2 kernel: 3.056379] usb 1-4: New USB device found, idVendor=413c, idProduct=2513
Sep 16 21:34:17 dell2 kernel: 3.056382] usb 1-4: New USB device strings: Mfr=0, Product=0, SerialNumber=0
Sep 16 21:34:17 dell2 kernel: 3.063132] hub 1-4:1.0: USB hub found
Sep 16 21:34:17 dell2 kernel: 3.063268] hub 1-4:1.0: 3 ports detected
Sep 16 21:34:17 dell2 kernel: 3.309070] input: PS/2 Generic Mouse as /devices/platform/i8042/serio1/input/input4
Sep 16 21:34:17 dell2 kernel: 3.309865] input: Video Bus as /devices/LNXSYSTM:00/device:00/PNP0A03:00/LNXVIDEO:01/input/input5
Sep 16 21:34:17 dell2 kernel: 3.309900] ACPI: Video Device [VID1] (multi-head: yes rom: no post: no)
Sep 16 21:34:17 dell2 kernel: 3.309929] [Firmware Bug]: Duplicate ACPI video bus devices for the same VGA controller, please try module parameter "video.allow_duplicates=1"if the current driver doesn’t work.
Sep 16 21:34:17 dell2 kernel: 3.310060] [drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0 on minor 0
Sep 16 21:34:17 dell2 kernel: 3.310135] uhci_hcd 0000:00:1a.0: setting latency timer to 64
[size=1][FONT=courier new]
X-----snip----X
Sep 16 21:34:17 dell2 kernel: 20.631165] cfg80211: Calling CRDA to update world regulatory domain
Sep 16 21:34:17 dell2 kernel: 20.697600] snd_hda_intel 0000:00:1b.0: irq 46 for MSI/MSI-X
Sep 16 21:34:17 dell2 kernel: 20.724260] b43-phy0: Broadcom 4322 WLAN found (core revision 16)
Sep 16 21:34:17 dell2 kernel: 20.742589] ALSA hda_generic.c:653 hda_generic: no proper input path found
Sep 16 21:34:17 dell2 kernel: 20.742592] ALSA hda_generic.c:431 hda_generic: no proper output path found
Sep 16 21:34:17 dell2 kernel: 20.743353] ALSA hda_generic.c:1007 hda_generic: no PCM found
Sep 16 21:34:17 dell2 kernel: 20.792320] Broadcom 43xx driver loaded Features: PMNLS ]
Sep 16 21:34:17 dell2 kernel: 20.793355] b43-phy0 ERROR: Firmware file “b43/ucode16_mimo.fw” not found
Sep 16 21:34:17 dell2 kernel: 20.793359] b43-phy0 ERROR: Firmware file “b43-open/ucode16_mimo.fw” not found
Sep 16 21:34:17 dell2 kernel: 20.793362] b43-phy0 ERROR: Please open a terminal and enter the command “sudo /usr/sbin/install_bcm43xx_firmware” to download the correct firmware for this driver version. For an off-line installation, go to http://en.opensuse.org/HCL/Network_Adapters_(Wireless)/Broadcom_BCM43xx and follow the instructions in the “Installing firmware from RPM packages” section.
Sep 16 21:34:17 dell2 kernel: 21.933931] BIOS EDD facility v0.16 2004-Jun-25, 1 devices found
Sep 16 21:34:17 dell2 /usr/sbin/cron[1708]: (CRON) INFO (Syslog will be used instead of sendmail.): No such file or directory
Sep 16 21:34:17 dell2 /usr/sbin/cron[1708]: (CRON) INFO (running with inotify support)
Sep 16 21:34:18 dell2 sshd[1720]: Server listening on 0.0.0.0 port 22.
Sep 16 21:34:18 dell2 sshd[1720]: Server listening on :: port 22.
Sep 16 21:34:18 dell2 systemd-logind[1650]: New seat seat0.
Sep 16 21:34:18 dell2 epoptes-client[1711]: /usr/sbin/epoptes-client: line 189: log_begin_msg: command not found
Sep 16 21:34:18 dell2 epoptes-client[1711]: epoptes-client: line 234: log_end_msg: command not found
Sep 16 21:34:18 dell2 epoptes-client[1711]: Error: an inet prefix is expected rather than “172.16.0.50
Sep 16 21:34:18 dell2 epoptes-client[1711]: 10.0.0.254”.
Sep 16 21:34:19 dell2 kernel: 23.969160] dell_wmi: Received unknown WMI event (0x11)
Sep 16 21:34:20 dell2 systemd[1]: Service sound.target is not needed anymore. Stopping.
Sep 16 21:34:20 dell2 kernel: 25.164038] snd_hda_intel 0000:00:1b.0: irq 46 for MSI/MSI-X
Sep 16 21:34:20 dell2 kernel: 25.232163] ALSA hda_codec.c:5101 autoconfig: line_outs=1 (0xf/0x0/0x0/0x0/0x0) type:line
Sep 16 21:34:20 dell2 kernel: 25.232167] ALSA hda_codec.c:5105 speaker_outs=1 (0xd/0x0/0x0/0x0/0x0)
Sep 16 21:34:20 dell2 kernel: 25.232170] ALSA hda_codec.c:5109 hp_outs=1 (0xa/0x0/0x0/0x0/0x0)
Sep 16 21:34:20 dell2 kernel: 25.232172] ALSA hda_codec.c:5110 mono: mono_out=0x0
Sep 16 21:34:20 dell2 kernel: 25.232174] ALSA hda_codec.c:5114 inputs:
Sep 16 21:34:20 dell2 kernel: 25.232176] ALSA hda_codec.c:5118 Mic=0xb
Sep 16 21:34:20 dell2 kernel: 25.232178] ALSA hda_codec.c:5118 Dock Mic=0xe
Sep 16 21:34:20 dell2 kernel: 25.232180] ALSA hda_codec.c:5120
Sep 16 21:34:20 dell2 kernel: 25.233169] ALSA patch_sigmatel.c:3117 stac92xx: dac_nids=1 (0x10/0x0/0x0/0x0/0x0)
Sep 16 21:34:20 dell2 kernel: 25.233329] input: HDA Digital PCBeep as /devices/pci0000:00/0000:00:1b.0/input/input8
Sep 16 21:34:20 dell2 kernel: 25.253920] input: HDA Intel HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:1b.0/sound/card0/input9
Sep 16 21:34:20 dell2 kernel: 25.255472] input: HDA Intel Dock Mic as /devices/pci0000:00/0000:00:1b.0/sound/card0/input10
Sep 16 21:34:20 dell2 kernel: 25.255542] input: HDA Intel Mic as /devices/pci0000:00/0000:00:1b.0/sound/card0/input11
Sep 16 21:34:20 dell2 kernel: 25.255603] input: HDA Intel Headphone as /devices/pci0000:00/0000:00:1b.0/sound/card0/input12
Sep 16 21:34:20 dell2 kernel: 25.255664] input: HDA Intel Dock Line Out as /devices/pci0000:00/0000:00:1b.0/sound/card0/input13
Sep 16 21:34:20 dell2 systemd[1]: Startup finished in 21s 470ms 551us (kernel) + 4s 261ms 524us (userspace) = 25s 732ms 75us.
Sep 16 21:34:20 dell2 kernel: 25.750237] dell_wmi: Received unknown WMI event (0x11)[/FONT][/size]
And here the failing thin client:
X----snip-----X
Sep 16 21:34:17 dell2 kernel: 3.024373] ACPI Error: Method parse/execution failed \SXX6] (Node f484b698), AE_AML_INFINITE_LOOP (20120320/psparse-536)
Sep 16 21:34:17 dell2 kernel: 3.024460] ACPI Error: Method parse/execution failed \SXX4] (Node f484b668), AE_AML_INFINITE_LOOP (20120320/psparse-536)
Sep 16 21:34:17 dell2 kernel: 3.024541] ACPI Error: Method parse/execution failed \SX11] (Node f484b620), AE_AML_INFINITE_LOOP (20120320/psparse-536)
Sep 16 21:34:17 dell2 kernel: 3.024622] ACPI Error: Method parse/execution failed _SB_.PCI0.VID_.LCD_.BCL] (Node f4853ea8), AE_AML_INFINITE_LOOP (20120320/psparse-536)
Sep 16 21:34:17 dell2 kernel: 3.024719] ACPI Error: Method parse/execution failed _SB.PCI0.ISAB.ECDV.ECR1] (Node f485a338), AE_TIME (20120320/psparse-536)
Sep 16 21:34:17 dell2 kernel: 3.024806] ACPI Error: Method parse/execution failed _SB_.PCI0.ISAB.ECDV.ECR2] (Node f485a320), AE_TIME (20120320/psparse-536)
Sep 16 21:34:17 dell2 kernel: 3.024892] ACPI Error: Method parse/execution failed \ECRW] (Node f485a260), AE_TIME (20120320/psparse-536)
Sep 16 21:34:17 dell2 kernel: 3.024967] ACPI Error: Method parse/execution failed \ECG1] (Node f485ad70), AE_TIME (20120320/psparse-536)
Sep 16 21:34:17 dell2 kernel: 3.025042] ACPI Error: Method parse/execution failed \NEVT] (Node f4858890), AE_TIME (20120320/psparse-536)
Sep 16 21:34:17 dell2 kernel: 3.025116] ACPI Error: Method parse/execution failed _SB_.PCI0.ISAB.ECDV._Q66] (Node f485a350), AE_TIME (20120320/psparse-536)
Sep 16 21:34:17 dell2 kernel: 3.056379] usb 1-4: New USB device found, idVendor=413c, idProduct=2513
Sep 16 21:34:17 dell2 kernel: 3.056382] usb 1-4: New USB device strings: Mfr=0, Product=0, SerialNumber=0
Sep 16 21:34:17 dell2 kernel: 3.063132] hub 1-4:1.0: USB hub found
Sep 16 21:34:17 dell2 kernel: 3.063268] hub 1-4:1.0: 3 ports detected
Sep 16 21:34:17 dell2 kernel: 3.309070] input: PS/2 Generic Mouse as /devices/platform/i8042/serio1/input/input4
Sep 16 21:34:17 dell2 kernel: 3.309865] input: Video Bus as /devices/LNXSYSTM:00/device:00/PNP0A03:00/LNXVIDEO:01/input/input5
Sep 16 21:34:17 dell2 kernel: 3.309900] ACPI: Video Device [VID1] (multi-head: yes rom: no post: no)
Sep 16 21:34:17 dell2 kernel: 3.309929] [Firmware Bug]: Duplicate ACPI video bus devices for the same VGA controller, please try module parameter "video.allow_duplicates=1"if the current driver doesn’t work.
Sep 16 21:34:17 dell2 kernel: 3.310060] [drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0 on minor 0
Sep 16 21:34:17 dell2 kernel: 3.310135] uhci_hcd 0000:00:1a.0: setting latency timer to 64
[size=1][FONT=courier new]X----snip-----X
Sep 16 21:34:17 dell2 kernel: 20.631165] cfg80211: Calling CRDA to update world regulatory domain
Sep 16 21:34:17 dell2 kernel: 20.697600] snd_hda_intel 0000:00:1b.0: irq 46 for MSI/MSI-X
Sep 16 21:34:17 dell2 kernel: 20.724260] b43-phy0: Broadcom 4322 WLAN found (core revision 16)
Sep 16 21:34:17 dell2 kernel: 20.742589] ALSA hda_generic.c:653 hda_generic: no proper input path found
Sep 16 21:34:17 dell2 kernel: 20.742592] ALSA hda_generic.c:431 hda_generic: no proper output path found
Sep 16 21:34:17 dell2 kernel: 20.743353] ALSA hda_generic.c:1007 hda_generic: no PCM found
Sep 16 21:34:17 dell2 kernel: 20.792320] Broadcom 43xx driver loaded Features: PMNLS ]
Sep 16 21:34:17 dell2 kernel: 20.793355] b43-phy0 ERROR: Firmware file “b43/ucode16_mimo.fw” not found
Sep 16 21:34:17 dell2 kernel: 20.793359] b43-phy0 ERROR: Firmware file “b43-open/ucode16_mimo.fw” not found
Sep 16 21:34:17 dell2 kernel: 20.793362] b43-phy0 ERROR: Please open a terminal and enter the command “sudo /usr/sbin/install_bcm43xx_firmware” to download the correct firmware for this driver version. For an off-line installation, go to http://en.opensuse.org/HCL/Network_Adapters_(Wireless)/Broadcom_BCM43xx and follow the instructions in the “Installing firmware from RPM packages” section.
Sep 16 21:34:17 dell2 kernel: 21.933931] BIOS EDD facility v0.16 2004-Jun-25, 1 devices found
Sep 16 21:34:17 dell2 /usr/sbin/cron[1708]: (CRON) INFO (Syslog will be used instead of sendmail.): No such file or directory
Sep 16 21:34:17 dell2 /usr/sbin/cron[1708]: (CRON) INFO (running with inotify support)
Sep 16 21:34:18 dell2 sshd[1720]: Server listening on 0.0.0.0 port 22.
Sep 16 21:34:18 dell2 sshd[1720]: Server listening on :: port 22.
Sep 16 21:34:18 dell2 systemd-logind[1650]: New seat seat0.
Sep 16 21:34:18 dell2 epoptes-client[1711]: /usr/sbin/epoptes-client: line 189: log_begin_msg: command not found
Sep 16 21:34:18 dell2 epoptes-client[1711]: epoptes-client: line 234: log_end_msg: command not found
Sep 16 21:34:18 dell2 epoptes-client[1711]: Error: an inet prefix is expected rather than “172.16.0.50
Sep 16 21:34:18 dell2 epoptes-client[1711]: 10.0.0.254”.
Sep 16 21:34:19 dell2 kernel: 23.969160] dell_wmi: Received unknown WMI event (0x11)
Sep 16 21:34:20 dell2 systemd[1]: Service sound.target is not needed anymore. Stopping.
Sep 16 21:34:20 dell2 kernel: 25.164038] snd_hda_intel 0000:00:1b.0: irq 46 for MSI/MSI-X
Sep 16 21:34:20 dell2 kernel: 25.232163] ALSA hda_codec.c:5101 autoconfig: line_outs=1 (0xf/0x0/0x0/0x0/0x0) type:line
Sep 16 21:34:20 dell2 kernel: 25.232167] ALSA hda_codec.c:5105 speaker_outs=1 (0xd/0x0/0x0/0x0/0x0)
Sep 16 21:34:20 dell2 kernel: 25.232170] ALSA hda_codec.c:5109 hp_outs=1 (0xa/0x0/0x0/0x0/0x0)
Sep 16 21:34:20 dell2 kernel: 25.232172] ALSA hda_codec.c:5110 mono: mono_out=0x0
Sep 16 21:34:20 dell2 kernel: 25.232174] ALSA hda_codec.c:5114 inputs:
Sep 16 21:34:20 dell2 kernel: 25.232176] ALSA hda_codec.c:5118 Mic=0xb
Sep 16 21:34:20 dell2 kernel: 25.232178] ALSA hda_codec.c:5118 Dock Mic=0xe
Sep 16 21:34:20 dell2 kernel: 25.232180] ALSA hda_codec.c:5120
Sep 16 21:34:20 dell2 kernel: 25.233169] ALSA patch_sigmatel.c:3117 stac92xx: dac_nids=1 (0x10/0x0/0x0/0x0/0x0)
Sep 16 21:34:20 dell2 kernel: 25.233329] input: HDA Digital PCBeep as /devices/pci0000:00/0000:00:1b.0/input/input8
Sep 16 21:34:20 dell2 kernel: 25.253920] input: HDA Intel HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:1b.0/sound/card0/input9
Sep 16 21:34:20 dell2 kernel: 25.255472] input: HDA Intel Dock Mic as /devices/pci0000:00/0000:00:1b.0/sound/card0/input10
Sep 16 21:34:20 dell2 kernel: 25.255542] input: HDA Intel Mic as /devices/pci0000:00/0000:00:1b.0/sound/card0/input11
Sep 16 21:34:20 dell2 kernel: 25.255603] input: HDA Intel Headphone as /devices/pci0000:00/0000:00:1b.0/sound/card0/input12
Sep 16 21:34:20 dell2 kernel: 25.255664] input: HDA Intel Dock Line Out as /devices/pci0000:00/0000:00:1b.0/sound/card0/input13
Sep 16 21:34:20 dell2 systemd[1]: Startup finished in 21s 470ms 551us (kernel) + 4s 261ms 524us (userspace) = 25s 732ms 75us.
Sep 16 21:34:20 dell2 kernel: 25.750237] dell_wmi: Received unknown WMI event (0x11)
[/FONT][/size]