Eu recentemente tenho um novo desktop Ubuntu 10.04 no trabalho. No entanto, a máquina falha a cada poucas horas e a saída de vídeo é interrompida. Eu suspeito que o problema está relacionado aos drivers, então aqui está a saída "lspci -v":
00:00.0 Host bridge: Intel Corporation Device 0100 (rev 09)
Subsystem: Dell Device 047e
Flags: bus master, fast devsel, latency 0
Capabilities:
00:01.0 PCI bridge: Intel Corporation Sandy Bridge PCI Express Root Port (rev 09)
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
I/O behind bridge: 00004000-00004fff
Memory behind bridge: e1500000-e15fffff
Prefetchable memory behind bridge: 00000000d0000000-00000000dfffffff
Capabilities:
Kernel driver in use: pcieport
Kernel modules: shpchp
00:16.0 Communication controller: Intel Corporation Cougar Point HECI Controller #1 (rev 04)
Subsystem: Dell Device 047e
Flags: bus master, fast devsel, latency 0, IRQ 11
Memory at e16b0000 (64-bit, non-prefetchable) [size=16]
Capabilities:
00:16.3 Serial controller: Intel Corporation Cougar Point KT Controller (rev 04) (prog-if 02)
Subsystem: Dell Device 047e
Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 17
I/O ports at 50a0 [size=8]
Memory at e1690000 (32-bit, non-prefetchable) [size=4K]
Capabilities:
Kernel driver in use: serial
00:19.0 Ethernet controller: Intel Corporation Device 1502 (rev 04)
Subsystem: Dell Device 047e
Flags: bus master, fast devsel, latency 0, IRQ 5
Memory at e1600000 (32-bit, non-prefetchable) [size=128K]
Memory at e1680000 (32-bit, non-prefetchable) [size=4K]
I/O ports at 5040 [size=32]
Capabilities:
00:1a.0 USB Controller: Intel Corporation Cougar Point USB Enhanced Host Controller #2 (rev 04) (prog-if 20)
Subsystem: Dell Device 047e
Flags: bus master, medium devsel, latency 0, IRQ 16
Memory at e1670000 (32-bit, non-prefetchable) [size=1K]
Capabilities:
Kernel driver in use: ehci_hcd
00:1b.0 Audio device: Intel Corporation Cougar Point High Definition Audio Controller (rev 04)
Subsystem: Dell Device 047e
Flags: bus master, fast devsel, latency 0, IRQ 22
Memory at e1660000 (64-bit, non-prefetchable) [size=16K]
Capabilities:
Kernel driver in use: HDA Intel
Kernel modules: snd-hda-intel
00:1c.0 PCI bridge: Intel Corporation Cougar Point PCI Express Root Port 1 (rev b4)
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=02, subordinate=02, sec-latency=0
Capabilities:
Kernel driver in use: pcieport
Kernel modules: shpchp
00:1c.2 PCI bridge: Intel Corporation Cougar Point PCI Express Root Port 3 (rev b4)
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=03, subordinate=03, sec-latency=0
I/O behind bridge: 00003000-00003fff
Memory behind bridge: e0a00000-e13fffff
Prefetchable memory behind bridge: 00000000e0000000-00000000e09fffff
Capabilities:
Kernel driver in use: pcieport
Kernel modules: shpchp
00:1c.4 PCI bridge: Intel Corporation Cougar Point PCI Express Root Port 5 (rev b4)
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=04, subordinate=04, sec-latency=0
I/O behind bridge: 00002000-00002fff
Memory behind bridge: e1400000-e14fffff
Capabilities:
Kernel driver in use: pcieport
Kernel modules: shpchp
00:1d.0 USB Controller: Intel Corporation Cougar Point USB Enhanced Host Controller #1 (rev 04) (prog-if 20)
Subsystem: Dell Device 047e
Flags: bus master, medium devsel, latency 0, IRQ 17
Memory at e1650000 (32-bit, non-prefetchable) [size=1K]
Capabilities:
Kernel driver in use: ehci_hcd
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev a4) (prog-if 01)
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=05, subordinate=05, sec-latency=0
Capabilities:
00:1f.0 ISA bridge: Intel Corporation Device 1c4e (rev 04)
Subsystem: Dell Device 047e
Flags: bus master, medium devsel, latency 0
Capabilities:
Kernel modules: iTCO_wdt
00:1f.2 RAID bus controller: Intel Corporation 82801 SATA RAID Controller (rev 04)
Subsystem: Dell Device 047e
Flags: bus master, 66MHz, medium devsel, latency 0, IRQ 31
I/O ports at 5090 [size=8]
I/O ports at 5080 [size=4]
I/O ports at 5070 [size=8]
I/O ports at 5060 [size=4]
I/O ports at 5020 [size=32]
Memory at e1640000 (32-bit, non-prefetchable) [size=2K]
Capabilities:
Kernel driver in use: ahci
Kernel modules: ahci
00:1f.3 SMBus: Intel Corporation Cougar Point SMBus Controller (rev 04)
Subsystem: Dell Device 047e
Flags: medium devsel, IRQ 11
Memory at e1630000 (64-bit, non-prefetchable) [size=256]
I/O ports at 5000 [size=32]
Kernel modules: i2c-i801
01:00.0 VGA compatible controller: ATI Technologies Inc RV620 LE [Radeon HD 3450]
Subsystem: Dell Device 0342
Flags: bus master, fast devsel, latency 0, IRQ 32
Memory at d0000000 (64-bit, prefetchable) [size=256M]
Memory at e1520000 (64-bit, non-prefetchable) [size=64K]
I/O ports at 4000 [size=256]
Expansion ROM at e1500000 [disabled] [size=128K]
Capabilities:
Kernel driver in use: radeon
Kernel modules: radeon
04:00.0 Ethernet controller: Intel Corporation 82574L Gigabit Network Connection
Subsystem: Intel Corporation Device a01f
Flags: bus master, fast devsel, latency 0, IRQ 16
Memory at e14c0000 (32-bit, non-prefetchable) [size=128K]
Memory at e1400000 (32-bit, non-prefetchable) [size=512K]
I/O ports at 2000 [size=32]
Memory at e14e0000 (32-bit, non-prefetchable) [size=16K]
Expansion ROM at e1480000 [disabled] [size=256K]
Capabilities:
Kernel driver in use: e1000e
Kernel modules: e1000e