I have a problem with an Ubuntu 10.4 desktop.
It regularly ends up unresposive, with a blank screen, often after being
left alone for a while, a few hours or overnight. But can happen while
using machine, where it just stops being able to respond to mouse or
keyboard with no recovery.
No response to keyboard or mouse.
[ctl] [alt] [backspace] has no effect.
Only able to recover by hard shutdown.
I initially thought it might be firefox so shut that down when I left
the machine, it still happened.
I removed some backup software that I no longer used incase I had
misconfigured it as at times I got a message on booting that /etc was
full and had a memory of /etc being the default place for creating some
backups. df did not show /etc was full. Still happens.
Reinstalled /, (have separate /home partition), still happens.
Output of dmesg after a restart contains many repeats of below sequence,
as does dmesg command output done at other times.
Is this a clue to something?
Are their other places that I should be looking?
[11017.517434] ata1.00: status: { DRDY DRQ }
[11017.517446] ata1: soft resetting link
[11017.868242] ata1.00: configured for UDMA/100
[11017.868268] ata1: EH complete
[12817.481237] ata1: drained 32768 bytes to clear DRQ.
[12817.516675] ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6
frozen
[12817.516681] ata1.00: failed command: SMART
[12817.516689] ata1.00: cmd b0/d1:01:00:4f:c2/00:00:00:00:00/00 tag 0
pio 512 in
[12817.516690] res 58/00:00:00:4f:c2/00:00:00:00:00/00 Emask
0x2 (HSM violation)
[12817.516694] ata1.00: status: { DRDY DRQ }
[12817.516705] ata1: soft resetting link
[12817.864267] ata1.00: configured for UDMA/100
[12817.864297] ata1: EH complete
[14617.476629] ata1: drained 32768 bytes to clear DRQ.
[14617.512669] ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6
frozen
[14617.512676] ata1.00: failed command: SMART
[14617.512684] ata1.00: cmd b0/d1:01:00:4f:c2/00:00:00:00:00/00 tag 0
pio 512 in
[14617.512685] res 58/00:00:00:4f:c2/00:00:00:00:00/00 Emask
0x2 (HSM violation)
[14617.512690] ata1.00: status: { DRDY DRQ }
[14617.512700] ata1: soft resetting link
[14617.860228] ata1.00: configured for UDMA/100
[14617.860246] ata1: EH complete
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