My wireless connection keeps dropping too. I haven't noticed a pattern yet.

compaq presario cq57 wm229 - amd - dual boot with win7 and ubuntu 12.10. 

lspci -k 
00:00.0 Host bridge: Advanced Micro Devices [AMD] Family 14h Processor Root Complex
	Subsystem: Advanced Micro Devices [AMD] Family 14h Processor Root Complex
00:01.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI Wrestler [Radeon HD 6250]
	Subsystem: Hewlett-Packard Company Device 3577
	Kernel driver in use: radeon
	Kernel modules: radeon
00:11.0 SATA controller: Advanced Micro Devices [AMD] nee ATI SB7x0/SB8x0/SB9x0 SATA Controller [AHCI mode]
	Subsystem: Hewlett-Packard Company Device 3577
	Kernel driver in use: ahci
00:12.0 USB controller: Advanced Micro Devices [AMD] nee ATI SB7x0/SB8x0/SB9x0 USB OHCI0 Controller
	Subsystem: Hewlett-Packard Company Device 3577
	Kernel driver in use: ohci_hcd
00:12.2 USB controller: Advanced Micro Devices [AMD] nee ATI SB7x0/SB8x0/SB9x0 USB EHCI Controller
	Subsystem: Hewlett-Packard Company Device 3577
	Kernel driver in use: ehci_hcd
00:14.0 SMBus: Advanced Micro Devices [AMD] nee ATI SBx00 SMBus Controller (rev 42)
	Subsystem: Hewlett-Packard Company Device 3577
	Kernel driver in use: piix4_smbus
	Kernel modules: sp5100_tco, i2c-piix4
00:14.2 Audio device: Advanced Micro Devices [AMD] nee ATI SBx00 Azalia (Intel HDA) (rev 40)
	Subsystem: Hewlett-Packard Company Device 3577
	Kernel driver in use: snd_hda_intel
	Kernel modules: snd-hda-intel
00:14.3 ISA bridge: Advanced Micro Devices [AMD] nee ATI SB7x0/SB8x0/SB9x0 LPC host controller (rev 40)
	Subsystem: Hewlett-Packard Company Device 3577
00:14.4 PCI bridge: Advanced Micro Devices [AMD] nee ATI SBx00 PCI to PCI Bridge (rev 40)
00:14.5 USB controller: Advanced Micro Devices [AMD] nee ATI SB7x0/SB8x0/SB9x0 USB OHCI2 Controller
	Subsystem: Hewlett-Packard Company Device 3577
	Kernel driver in use: ohci_hcd
00:15.0 PCI bridge: Advanced Micro Devices [AMD] nee ATI SB700/SB800/SB900 PCI to PCI bridge (PCIE port 0)
	Kernel driver in use: pcieport
	Kernel modules: shpchp
00:15.1 PCI bridge: Advanced Micro Devices [AMD] nee ATI SB700/SB800/SB900 PCI to PCI bridge (PCIE port 1)
	Kernel driver in use: pcieport
	Kernel modules: shpchp
00:15.3 PCI bridge: Advanced Micro Devices [AMD] nee ATI SB900 PCI to PCI bridge (PCIE port 3)
	Kernel driver in use: pcieport
	Kernel modules: shpchp
00:16.0 USB controller: Advanced Micro Devices [AMD] nee ATI SB7x0/SB8x0/SB9x0 USB OHCI0 Controller
	Subsystem: Hewlett-Packard Company Device 3577
	Kernel driver in use: ohci_hcd
00:16.2 USB controller: Advanced Micro Devices [AMD] nee ATI SB7x0/SB8x0/SB9x0 USB EHCI Controller
	Subsystem: Hewlett-Packard Company Device 3577
	Kernel driver in use: ehci_hcd
00:18.0 Host bridge: Advanced Micro Devices [AMD] Family 12h/14h Processor Function 0 (rev 43)
00:18.1 Host bridge: Advanced Micro Devices [AMD] Family 12h/14h Processor Function 1
00:18.2 Host bridge: Advanced Micro Devices [AMD] Family 12h/14h Processor Function 2
00:18.3 Host bridge: Advanced Micro Devices [AMD] Family 12h/14h Processor Function 3
	Kernel driver in use: k10temp
	Kernel modules: k10temp
00:18.4 Host bridge: Advanced Micro Devices [AMD] Family 12h/14h Processor Function 4
00:18.5 Host bridge: Advanced Micro Devices [AMD] Family 12h/14h Processor Function 6
00:18.6 Host bridge: Advanced Micro Devices [AMD] Family 12h/14h Processor Function 5
00:18.7 Host bridge: Advanced Micro Devices [AMD] Family 12h/14h Processor Function 7
02:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS5209 PCI Express Card Reader (rev 01)
	Subsystem: Hewlett-Packard Company Device 3577
	Kernel driver in use: rtsx_pci
	Kernel modules: rts_pstor, rtsx_pci
06:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller (rev 05)
	Subsystem: Hewlett-Packard Company Device 3577
	Kernel driver in use: r8169
	Kernel modules: r8169
07:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8188CE 802.11b/g/n WiFi Adapter (rev 01)
	Subsystem: Hewlett-Packard Company Device 1629
	Kernel driver in use: rtl8192ce
	Kernel modules: rtl8192ce