Public bug reported:
I have been having booting trouble with my Lenovo for months. I have
consistently left 12.04 and had to use other systems. Sometimes I am
forced to return and try to see if this issue has been fixed, it has
not. I have not been able to find any support for my issue, this is my
last hope.
Symptoms:
1) Sometimes after grub, boots to purple screen and stays there
2) Sometimes after grub, and purple screen, starts booting... freezes after
(firewire loaded device) (however, I believe this is just the last "status"
message
3) the newest problem, after the firewire line, starts complaining with the
following lines:
[ xx.xxxxxx] ata1.00: revalidation failed (errno=-5)
[ xx.xxxxxx] ata2.00: revalidation failed (errno=-5)
4) Sometimes I boot successfully
5) Sometimes I try to boot through recovery mode and sometimes it works and
sometimes it doesn't.
Notice the amount of "sometimes", this is because this bug is incredibly
random yet I USUALLY do not boot. Please help me out, I'll be glad to
get whatever info you need, but I have no clue how to further diagnose
this.
Steps taken so far:
- "quiet splash" removed
- nvidia drivers installed from nvidia's website (310)
- nouveau driver blacklisted
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Confirmed
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https://bugs.launchpad.net/bugs/1083738
Title:
Booting Trouble With Lenovo T520 (NVS 4200M)
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