aqui acontece a mesma coisa
testado nas distribuições ubuntu 14.04 LTS i386 e amd64
desconfio que esteja relacionado aos drivers ACPI, gerenciamento de energia ou algo assim
foi testado no windows xp sp3 e acontecia raramente o mesmo bug
o meu sistema tem a placa mãe
http://www.geek.com/xyzcomputing/asus-m2n32-sli-deluxe-wireless-edition-motherboard-571464/com a placa de video
radeon hd 2600 pro da saphire
e driver
Gallium 0.4 on AMD RV630
além de desabilitar a rede (wifi e ethernet) aqui as vezes o video também retorna desligado
testei com arquivo de configuração madwifi e não funcionou
tentei reiniciar os módulos e não funcionou
tentei configurar
/etc/pm/sleep.d/10_grub-common
e não funcionou
algumas informações
minha placa de rede é
NVIDIA MCP55 Ethernet
minha placa de rede wifi é
Realtek RTL8187 Wireless Adapter
# lspci
lspci00:00.0 RAM memory: NVIDIA Corporation C51 Host Bridge (rev a2)
00:00.1 RAM memory: NVIDIA Corporation C51 Memory Controller 0 (rev a2)
00:00.2 RAM memory: NVIDIA Corporation C51 Memory Controller 1 (rev a2)
00:00.3 RAM memory: NVIDIA Corporation C51 Memory Controller 5 (rev a2)
00:00.4 RAM memory: NVIDIA Corporation C51 Memory Controller 4 (rev a2)
00:00.5 RAM memory: NVIDIA Corporation C51 Host Bridge (rev a2)
00:00.6 RAM memory: NVIDIA Corporation C51 Memory Controller 3 (rev a2)
00:00.7 RAM memory: NVIDIA Corporation C51 Memory Controller 2 (rev a2)
00:04.0 PCI bridge: NVIDIA Corporation C51 PCI Express Bridge (rev a1)
00:08.0 RAM memory: NVIDIA Corporation MCP55 Memory Controller (rev a2)
00:09.0 ISA bridge: NVIDIA Corporation MCP55 LPC Bridge (rev a3)
00:09.1 SMBus: NVIDIA Corporation MCP55 SMBus (rev a3)
00:09.2 RAM memory: NVIDIA Corporation MCP55 Memory Controller (rev a3)
00:0a.0 USB controller: NVIDIA Corporation MCP55 USB Controller (rev a1)
00:0a.1 USB controller: NVIDIA Corporation MCP55 USB Controller (rev a2)
00:0c.0 IDE interface: NVIDIA Corporation MCP55 IDE (rev a1)
00:0d.0 IDE interface: NVIDIA Corporation MCP55 SATA Controller (rev a3)
00:0d.1 IDE interface: NVIDIA Corporation MCP55 SATA Controller (rev a3)
00:0d.2 IDE interface: NVIDIA Corporation MCP55 SATA Controller (rev a3)
00:0e.0 PCI bridge: NVIDIA Corporation MCP55 PCI bridge (rev a2)
00:0e.1 Audio device: NVIDIA Corporation MCP55 High Definition Audio (rev a2)
00:10.0 Bridge: NVIDIA Corporation MCP55 Ethernet (rev a3)
00:11.0 Bridge: NVIDIA Corporation MCP55 Ethernet (rev a3)
00:18.0 Host bridge: Advanced Micro Devices, Inc. [AMD] K8 [Athlon64/Opteron] HyperTransport Technology Configuration
00:18.1 Host bridge: Advanced Micro Devices, Inc. [AMD] K8 [Athlon64/Opteron] Address Map
00:18.2 Host bridge: Advanced Micro Devices, Inc. [AMD] K8 [Athlon64/Opteron] DRAM Controller
00:18.3 Host bridge: Advanced Micro Devices, Inc. [AMD] K8 [Athlon64/Opteron] Miscellaneous Control
01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] RV630 PRO [Radeon HD 2600 PRO]
01:00.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] RV630 HDMI Audio [Radeon HD 2600 Series]
02:08.0 Modem: Smart Link Ltd. LM-I56N (rev 02)
02:0b.0 FireWire (IEEE 1394): Texas Instruments TSB43AB22A IEEE-1394a-2000 Controller (PHY/Link) [iOHCI-Lynx]
lsusb
Bus 001 Device 003: ID 0bda:8187 Realtek Semiconductor Corp. RTL8187 Wireless Adapter
Bus 001 Device 002: ID 058f:6364 Alcor Micro Corp. AU6477 Card Reader Controller
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub