Comment 2 for bug 634407

I recently upgraded from Ubuntu 10.04 (64-bit) to 10.10 and I'm encountering this exact same issue.

Here is some dmesg output from my system:

[ 0.662761] udev[92]: starting version 163
[ 0.796517] Floppy drive(s): fd0 is 1.44M
[ 0.896156] scsi0 : pata_atiixp
[ 0.903807] FDC 0 is a post-1991 82077
[ 0.925460] 8139cp: 8139cp: 10/100 PCI Ethernet driver v1.3 (Mar 22, 2004)
[ 0.933120] scsi1 : pata_atiixp
[ 0.934319] ata1: PATA max UDMA/100 cmd 0x1f0 ctl 0x3f6 bmdma 0xf300 irq 14
[ 0.934322] ata2: PATA max UDMA/100 cmd 0x170 ctl 0x376 bmdma 0xf308 irq 15
[ 0.957500] sata_sil 0000:00:11.0: version 2.4
[ 0.957789] scsi2 : sata_sil
[ 0.957957] 8139cp 0000:02:03.0: This (id 10ec:8139 rev 10) is not an 8139C+ compatible chip, use 8139too
[ 0.958213] scsi3 : sata_sil
[ 0.958359] ata3: SATA max UDMA/100 mmio m512@0xfe02f000 tf 0xfe02f080 irq 23
[ 0.958363] ata4: SATA max UDMA/100 mmio m512@0xfe02f000 tf 0xfe02f0c0 irq 23
[ 0.959573] scsi4 : sata_sil
[ 0.959729] firewire_ohci 0000:02:04.0: PCI INT A -> GSI 21 (level, low) -> IRQ 9
[ 0.959801] scsi5 : sata_sil
[ 0.959956] ata5: SATA max UDMA/100 mmio m512@0xfe02e000 tf 0xfe02e080 irq 22
[ 0.959961] ata6: SATA max UDMA/100 mmio m512@0xfe02e000 tf 0xfe02e0c0 irq 22
[ 1.122729] firewire_ohci: Added fw-ohci device 0000:02:04.0, OHCI v1.10, 4 IR + 8 IT contexts, quirks 0x1
[ 1.151193] ata1.00: ATA-8: WDC WD1600AAJB-56WRA0, 58.01H58, max UDMA/100
[ 1.151196] ata1.00: 312581808 sectors, multi 16: LBA48
[ 1.151228] ata1.01: ATAPI: HL-DT-ST DVD-RW GWA-4165B, DG01, max UDMA/66
[ 1.171499] ata1.00: configured for UDMA/100
[ 1.210520] ata1.01: configured for UDMA/66
[ 1.212950] scsi 0:0:0:0: Direct-Access ATA WDC WD1600AAJB-5 58.0 PQ: 0 ANSI: 5
[ 1.213131] sd 0:0:0:0: Attached scsi generic sg0 type 0
[ 1.217222] scsi 0:0:1:0: CD-ROM HL-DT-ST DVD-RW GWA-4165B DG01 PQ: 0 ANSI: 5
[ 1.217698] sd 0:0:0:0: [sda] 312581808 512-byte logical blocks: (160 GB/149 GiB)
[ 1.230074] sr0: scsi3-mmc drive: 48x/48x writer cd/rw xa/form2 cdda tray
[ 1.230077] Uniform CD-ROM driver Revision: 3.20
[ 1.230225] sr 0:0:1:0: Attached scsi CD-ROM sr0
[ 1.230295] sr 0:0:1:0: Attached scsi generic sg1 type 5
[ 1.230719] sd 0:0:0:0: [sda] Write Protect is off
[ 1.230724] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
[ 1.230747] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[ 1.230894] sda: sda1 sda2 sda3 < sda5 > sda4
[ 1.267252] sd 0:0:0:0: [sda] Attached SCSI disk
[ 1.300024] usb 2-2: new full speed USB device using ohci_hcd and address 2
[ 1.300063] ata3: SATA link down (SStatus 0 SControl 300)
[ 1.310054] ata5: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[ 1.310137] ata5.00: NODEV after polling detection
[ 1.590127] firewire_core: created device fw0: GUID 0010dc00009c9c54, S400
[ 1.650039] ata4: SATA link down (SStatus 0 SControl 300)
[ 1.860027] usb 3-2: new full speed USB device using ohci_hcd and address 2
[ 2.000042] ata6: SATA link down (SStatus 0 SControl 300)
[ 2.003801] 8139too: 8139too Fast Ethernet driver 0.9.28
[ 2.011196] alloc irq_desc for 20 on node 0
[ 2.011201] alloc kstat_irqs on node 0
[ 2.011213] 8139too 0000:02:03.0: PCI INT A -> GSI 20 (level, low) -> IRQ 20
[ 2.013551] 8139too 0000:02:03.0: eth0: RealTek RTL8139 at 0xde00, 00:13:d3:9f:19:f7, IRQ 20