[Bug 569680] Re: Hard disk write/read freezes for 10 seconds several times in session

[phaphe]

I can confirm the bug. Problem started after upgrade from Ubuntu 8.04
LTS to Ubuntu 10.04. Sometimes there is only short freeze, but sometimes
the only solution is to reboot.

I have also changed the disk to the new one and I have tried to install
new version of Ubuntu there. The installation process freezed during
formatting disk.

Typical kernel log:
 [ 1129.000045] ata3.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen
 [ 1129.000101] ata3.00: failed command: WRITE DMA
 [ 1129.000137] ata3.00: cmd ca/00:08:4f:00:00/00:00:00:00:00/e0 tag 0 dma 4096 out
 [ 1129.000139]          res 40/00:00:00:4f:c2/00:00:00:00:00/00 Emask 0x4 (timeout)
 [ 1129.000233] ata3.00: status: { DRDY }
 [ 1132.381799] [drm:drm_mode_getfb] *ERROR* invalid framebuffer id
 [ 1134.040024] ata3: link is slow to respond, please be patient (ready=0)
 [ 1139.024032] ata3: device not ready (errno=-16), forcing hardreset
 [ 1139.024041] ata3: soft resetting link
 [ 1139.204245] ata3.00: configured for UDMA/100
 [ 1139.204251] ata3.00: device reported invalid CHS sector 0


** Tags added: apport-collected

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Hard disk write/read freezes for 10 seconds several times in session
https://bugs.launchpad.net/bugs/569680
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