Acer ASPIRE 3820 TG, unplugging power gives this in dmesg: [ 857.224924] EXT4-fs (sda3): re-mounted. Opts: errors=remount-ro,commit=600 [ 869.230484] EXT4-fs (sda3): re-mounted. Opts: errors=remount-ro,commit=0 [ 869.416988] ata1: exception Emask 0x10 SAct 0x0 SErr 0x50000 action 0xe frozen [ 869.416991] ata1: irq_stat 0x00400000, PHY RDY changed [ 869.416993] ata1: SError: { PHYRdyChg CommWake } [ 869.416998] ata1: hard resetting link [ 870.170801] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300) [ 870.175479] ata1.00: configured for UDMA/133 [ 870.175487] ata1: EH complete
This can be avoided by changing AHCI to IDE mode in bios. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/539467 Title: SATA link power management causes disk errors and corruption -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs