I have the consumer D600 the 600M and this issue has just started appearing for me to. It appears to be similar to bug #37773 in symptons and it appears to be correlated with wifi usage.
Here is my log of the first lockup after a fresh startup: Sep 1 12:05:03 localhost kernel: [17179746.856000] BUG: soft lockup detected on CPU#0! Sep 1 12:05:03 localhost kernel: [17179746.856000] Sep 1 12:05:03 localhost kernel: [17179746.856000] Pid: 0, comm: swapper Sep 1 12:05:03 localhost kernel: [17179746.856000] EIP: 0060:[delay_pmtmr+20/32] CPU: 0 Sep 1 12:05:03 localhost kernel: [17179746.856000] EIP is at delay_pmtmr+0x14/0x20 Sep 1 12:05:03 localhost kernel: [17179746.856000] EFLAGS: 00000287 Tainted: P (2.6.15-26-386) Sep 1 12:05:03 localhost kernel: [17179746.856000] EAX: 198d14a1 EBX: 00001733 ECX: 198d0b4a EDX: 0000002e Sep 1 12:05:03 localhost kernel: [17179746.856000] ESI: f6171260 EDI: c0387f04 EBP: c0387ef8 DS: 007b ES: 007b Sep 1 12:05:03 localhost kernel: [17179746.856000] CR0: 8005003b CR2: 00591000 CR3: 35d59000 CR4: 00000690 Sep 1 12:05:03 localhost kernel: [17179746.856000] [pg0+945526589/1069368320] tg3_readphy+0x5d/0xf0 [tg3] Sep 1 12:05:03 localhost kernel: [17179746.856000] [pg0+945533188/1069368320] tg3_setup_copper_phy+0x184/0x820 [tg3] Sep 1 12:05:03 localhost kernel: [17179746.856000] [pg0+945558368/1069368320] tg3_timer+0x0/0x2e0 [tg3] Sep 1 12:05:03 localhost kernel: [17179746.856000] [pg0+945539751/1069368320] tg3_setup_phy+0x87/0xe0 [tg3] Sep 1 12:05:03 localhost kernel: [17179746.856000] [pg0+945558795/1069368320] tg3_timer+0x1ab/0x2e0 [tg3] Sep 1 12:05:03 localhost kernel: [17179746.856000] [run_timer_softirq+182/464] run_timer_softirq+0xb6/0x1d0 Sep 1 12:05:03 localhost kernel: [17179746.856000] [__do_softirq+79/176] __do_softirq+0x4f/0xb0 Sep 1 12:05:03 localhost kernel: [17179746.856000] [do_softirq+53/64] do_softirq+0x35/0x40 Sep 1 12:05:03 localhost kernel: [17179746.856000] [irq_exit+53/64] irq_exit+0x35/0x40 Sep 1 12:05:03 localhost kernel: [17179746.856000] [do_IRQ+31/48] do_IRQ+0x1f/0x30 Sep 1 12:05:03 localhost kernel: [17179746.856000] [common_interrupt+26/32] common_interrupt+0x1a/0x20 Sep 1 12:05:03 localhost kernel: [17179746.856000] [pg0+944012146/1069368320] acpi_processor_idle+0x155/0x2bc [processor] Sep 1 12:05:03 localhost kernel: [17179746.856000] [cpu_idle+28/96] cpu_idle+0x1c/0x60 Sep 1 12:05:03 localhost kernel: [17179746.856000] [start_kernel+374/464] start_kernel+0x176/0x1d0 Sep 1 12:05:03 localhost kernel: [17179748.232000] ipw2200: Firmware error detected. Restarting. Sep 1 12:05:15 localhost kernel: [17179758.236000] BUG: soft lockup detected on CPU#0! Sep 1 12:05:15 localhost kernel: [17179758.236000] Sep 1 12:05:15 localhost kernel: [17179758.236000] Pid: 0, comm: swapper Sep 1 12:05:15 localhost kernel: [17179758.236000] EIP: 0060:[delay_pmtmr+20/32] CPU: 0 Sep 1 12:05:15 localhost kernel: [17179758.236000] EIP is at delay_pmtmr+0x14/0x20 Sep 1 12:05:15 localhost kernel: [17179758.236000] EFLAGS: 00000297 Tainted: P (2.6.15-26-386) Sep 1 12:05:15 localhost kernel: [17179758.236000] EAX: f7a7c161 EBX: 00003ddc ECX: f7a79006 EDX: 00000031 Sep 1 12:05:15 localhost kernel: [17179758.236000] ESI: f6171260 EDI: c0387f04 EBP: c0387ef8 DS: 007b ES: 007b Sep 1 12:05:15 localhost kernel: [17179758.236000] CR0: 8005003b CR2: b7f34000 CR3: 34b8b000 CR4: 00000690 Sep 1 12:05:15 localhost kernel: [17179758.236000] [pg0+945526589/1069368320] tg3_readphy+0x5d/0xf0 [tg3] Sep 1 12:05:15 localhost kernel: [17179758.236000] [pg0+945533179/1069368320] tg3_setup_copper_phy+0x17b/0x820 [tg3] Sep 1 12:05:15 localhost kernel: [17179758.236000] [pg0+945558368/1069368320] tg3_timer+0x0/0x2e0 [tg3] Sep 1 12:05:15 localhost kernel: [17179758.236000] [pg0+945539751/1069368320] tg3_setup_phy+0x87/0xe0 [tg3] Sep 1 12:05:15 localhost kernel: [17179758.236000] [pg0+945558795/1069368320] tg3_timer+0x1ab/0x2e0 [tg3] Sep 1 12:05:15 localhost kernel: [17179758.236000] [run_timer_softirq+182/464] run_timer_softirq+0xb6/0x1d0 Sep 1 12:05:15 localhost kernel: [17179758.236000] [__do_softirq+79/176] __do_softirq+0x4f/0xb0 Sep 1 12:05:15 localhost kernel: [17179758.236000] [do_softirq+53/64] do_softirq+0x35/0x40 Sep 1 12:05:15 localhost kernel: [17179758.236000] [irq_exit+53/64] irq_exit+0x35/0x40 Sep 1 12:05:15 localhost kernel: [17179758.236000] [do_IRQ+31/48] do_IRQ+0x1f/0x30 Sep 1 12:05:15 localhost kernel: [17179758.236000] [common_interrupt+26/32] common_interrupt+0x1a/0x20 Sep 1 12:05:15 localhost kernel: [17179758.236000] [pg0+944012146/1069368320] acpi_processor_idle+0x155/0x2bc [processor] Sep 1 12:05:15 localhost kernel: [17179758.236000] [cpu_idle+28/96] cpu_idle+0x1c/0x60 Sep 1 12:05:15 localhost kernel: [17179758.236000] [start_kernel+374/464] start_kernel+0x176/0x1d0 Sep 1 12:05:15 localhost kernel: [17179760.396000] ipw2200: Firmware error detected. Restarting. Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): 7 65 72 2f 77 70 61 5f 63 74 72 6c 5f 34 34 39 34 2d 31 00 00 00 Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): Cancelling scan request Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): WPA: clearing own WPA/RSN IE Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): Automatic auth_alg selection: 0x1 Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): WPA: clearing AP WPA IE Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): WPA: clearing AP RSN IE Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): WPA: clearing own WPA/RSN IE Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): No keys have been configured - skip key clearing Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): wpa_driver_wext_set_drop_unencrypted Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): State: SCANNING -> ASSOCIATING Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): wpa_driver_wext_associate Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): Setting authentication timeout: 10 sec 0 usec Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): EAPOL: External notification - portControl=ForceAuthorized Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): Wireless event: cmd=0x8b06 len=8 Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): Wireless event: cmd=0x8b1a len=12 Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): Wireless event: cmd=0x8b15 len=20 Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): Wireless event: new AP: 00:00:00:00:00:00 Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): Added BSSID 00:00:00:00:00:00 into blacklist Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): State: ASSOCIATING -> DISCONNECTED Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): EAPOL: External notification - portEnabled=0 Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): EAPOL: External notification - portValid=0 Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): CTRL-EVENT-DISCONNECTED - Disconnect event - remove keys Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): CTRL_IFACE monitor send - hexdump(len=42): 2f 76 61 72 2f 72 75 6e 2f 4e 65 74 77 6f 72 6b 4d 61 6e 61 67 65 72 2f 77 70 61 5f 63 74 72 6c 5f 34 34 39 34 2d 31 00 00 00 Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): NK, IFLA_IFNAME: Interface 'eth1' added Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): Wireless event: cmd=0x8b15 len=20 Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): Wireless event: new AP: 00:00:00:00:00:00 Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): BSSID 00:00:00:00:00:00 blacklist count incremented to 2 Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): State: DISCONNECTED -> DISCONNECTED Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): EAPOL: External notification - portEnabled=0 Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): EAPOL: External notification - portValid=0 Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): CTRL-EVENT-DISCONNECTED - Disconnect event - remove keys Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): CTRL_IFACE monitor send - hexdump(len=42): 2f 76 61 72 2f 72 75 6e 2f 4e 65 74 77 6f 72 6b 4d 61 6e 61 67 65 72 2f 77 70 61 5f 63 74 72 6c 5f 34 34 39 34 2d 31 00 00 00 Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): Wireless event: cmd=0x8b15 len=20 Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): Wireless event: new AP: 00:12:44:b1:e8:b0 Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): State: DISCONNECTED -> ASSOCIATED Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): Associated to a new BSS: BSSID=00:12:44:b1:e8:b0 Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): Associated with 00:12:44:b1:e8:b0 Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): CTRL_IFACE monitor send - hexdump(len=42): 2f 76 61 72 2f 72 75 6e 2f 4e 65 74 77 6f 72 6b 4d 61 6e 61 67 65 72 2f 77 70 61 5f 63 74 72 6c 5f 34 34 39 34 2d 31 00 00 00 Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): WPA: Association event - clear replay counter Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): EAPOL: External notification - portEnabled=0 Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): EAPOL: External notification - portValid=0 Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): L: External notification - portEnabled=1 Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): EAPOL: SUPP_PAE entering state S_FORCE_AUTH Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): EAPOL: SUPP_BE entering state IDLE Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): Cancelling authentication timeout Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): State: ASSOCIATED -> COMPLETED Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): CTRL-EVENT-CONNECTED - Connection to 00:12:44:b1:e8:b0 completed (auth) Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): CTRL_IFACE monitor send - hexdump(len=42): 2f 76 61 72 2f 72 75 6e 2f 4e 65 74 77 6f 72 6b 4d 61 6e 61 67 65 72 2f 77 70 61 5f 63 74 72 6c 5f 34 34 39 34 2d 31 00 00 00 Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): RTM_NEWLINK, IFLA_IFNAME: Interface 'eth1' added Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): RTM_NEWLINK, IFLA_IFNAME: Interface 'eth1' added Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): Wireless event: cmd=0x8b15 len=20 Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): Wireless event: new AP: 00:12:44:b1:e8:b0 Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): State: COMPLETED -> ASSOCIATED Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): Associated with 00:12:44:b1:e8:b0 Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): CTRL_IFACE monitor send - hexdump(len=42): 2f 76 61 72 2f 72 75 6e 2f 4e 65 74 77 6f 72 6b 4d 61 6e 61 67 65 72 2f 77 70 61 5f 63 74 72 6c 5f 34 34 39 34 2d 31 00 00 00 Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): WPA: Association event - clear replay counter Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): EAPOL: External notification - portEnabled=0 Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): EAPOL: SUPP_PAE entering state DISCONNECTED Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): EAPOL: SUPP_BE entering state INITIALIZE Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): al notification - portValid=0 Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): EAPOL: External notification - portEnabled=1 Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): EAPOL: SUPP_PAE entering state S_FORCE_AUTH Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): EAPOL: SUPP_BE entering state IDLE Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): Cancelling authentication timeout Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): State: ASSOCIATED -> COMPLETED Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): CTRL-EVENT-CONNECTED - Connection to 00:12:44:b1:e8:b0 completed (reauth) Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): CTRL_IFACE monitor send - hexdump(len=42): 2f 76 61 72 2f 72 75 6e 2f 4e 65 74 77 6f 72 6b 4d 61 6e 61 67 65 72 2f 77 70 61 5f 63 74 72 6c 5f 34 34 39 34 2d 31 00 00 00 Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): RTM_NEWLINK, IFLA_IFNAME: Interface 'eth1' added Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): Wireless event: cmd=0x8b15 len=20 Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): Wireless event: new AP: 00:12:44:b1:e8:b0 Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): State: COMPLETED -> ASSOCIATED Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): Associated with 00:12:44:b1:e8:b0 Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): CTRL_IFACE monitor send - hexdump(len=42): 2f 76 61 72 2f 72 75 6e 2f 4e 65 74 77 6f 72 6b 4d 61 6e 61 67 65 72 2f 77 70 61 5f 63 74 72 6c 5f 34 34 39 34 2d 31 00 00 00 Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): WPA: Association event - clear replay counter Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): EAPOL: External notification - portEnabled=0 Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): EAPOL: SUPP_PAE entering state DISCONNECTED Sep 1 12:05:16 localhost NetworkManager: <information>^Iwpa_supplicant(4938): EAPOL: SUPP_BE entering state INITIALIZE Sep 1 12:05:28 localhost kernel: [17179770.400000] BUG: soft lockup detected on CPU#0! -- recent dapper kernels causing lockups on Dell Latitude D600 https://launchpad.net/bugs/53578 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
