I am getting this in freshly upgraded Trusty Tahr.
It previsely mirrors the previously reported bug in every respect and I
always get the following kernel disk error when I attempt to resume
after plugging back the power cord in when running on battery power:
Mar 29 11:01:20 lenovo kernel: [ 51.906860] ideapad_laptop: Unknown event: 1
Mar 29 11:01:20 lenovo kernel: [ 52.029487] ata2.00: exception Emask 0x10 SAct
0x1 SErr 0x50000 action 0xe frozen
Mar 29 11:01:20 lenovo kernel: [ 52.029493] ata2.00: irq_stat 0x00400000, PHY
RDY changed
Mar 29 11:01:20 lenovo kernel: [ 52.029496] ata2: SError: { PHYRdyChg CommWake }
Mar 29 11:01:20 lenovo kernel: [ 52.029499] ata2.00: failed command: READ FPDMA
QUEUED
Mar 29 11:01:20 lenovo kernel: [ 52.029505] ata2.00: cmd
60/00:00:20:88:00/01:00:0f:00:00/40 tag 0 ncq 131072 in
Mar 29 11:01:20 lenovo kernel: [ 52.029505] res
50/00:03:00:00:00/00:00:00:00:00/a0 Emask 0x10 (ATA bus error)
Mar 29 11:01:20 lenovo kernel: [ 52.029507] ata2.00: status: { DRDY }
A new bug was filed but I think this bug should be re-opened and my report
marked as a duplicate.
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1299567
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https://bugs.launchpad.net/bugs/539467
Title:
SATA link power management causes disk errors and corruption
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