Comment 100 for bug 220706

I have a similar problem, but with the 2.6.31-14 kernel (the standard one of karmic). I'm running Ubuntu in virtualbox (I'm forced to it) and suddenly everything was mounted ro.
This is was syslog gave:
Nov 25 19:33:18 fktill kernel: [130827.001969] ata1: lost interrupt (Status 0x48)
Nov 25 19:33:18 fktill kernel: [130827.002010] ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen
Nov 25 19:33:18 fktill kernel: [130827.002015] ata1.00: cmd ca/00:08:f7:16:80/00:00:00:00:00/e0 tag 0 dma 4096 out
Nov 25 19:33:18 fktill kernel: [130827.002016] res 40/00:00:00:00:00/00:00:00:00:00/e0 Emask 0x4 (timeout)
Nov 25 19:33:18 fktill kernel: [130827.002018] ata1.00: status: { DRDY }
Nov 25 19:33:18 fktill kernel: [130827.002167] ata1: soft resetting link
Nov 25 19:33:24 fktill kernel: [130832.198481] ata1: link is slow to respond, please be patient (ready=0)
Nov 25 19:33:28 fktill kernel: [130837.014558] ata1: SRST failed (errno=-16)
Nov 25 19:33:28 fktill kernel: [130837.014572] ata1: soft resetting link
Nov 25 19:33:34 fktill kernel: [130842.208086] ata1: link is slow to respond, please be patient (ready=0)
Nov 25 19:33:38 fktill kernel: [130847.025800] ata1: SRST failed (errno=-16)
Nov 25 19:33:38 fktill kernel: [130847.025839] ata1: soft resetting link
Nov 25 19:33:44 fktill kernel: [130852.229309] ata1: link is slow to respond, please be patient (ready=0)
Nov 25 19:34:13 fktill kernel: [130882.033051] ata1: SRST failed (errno=-16)
Nov 25 19:34:13 fktill kernel: [130882.033066] ata1: soft resetting link

I hope this helps, it's quite annoying.
Thank you very muc!