I replaced the new 160 GB hard drive with the older 80 GB pata hard drive with Ubuntu 8.10. Suspend resume works like charm with 8.10. I then did a fresh install of ubuntu 9.04 on the 80 GB hard drive and on suspend and resume I am seeing this error again
[11182.452987] ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen [11182.453002] ata2.00: ST_FIRST: !(DRQ|ERR|DF) [11182.453025] ata2.00: cmd a0/00:00:00:00:00/00:00:00:00:00/a0 tag 0 [11182.453029] cdb 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [11182.453033] res 50/00:01:00:00:00/00:00:00:00:00/a0 Emask 0x2 (HSM violation) [11182.453058] ata2.00: status: { DRDY } [11182.453098] ata2: soft resetting link [11182.728453] ata2.00: configured for UDMA/33 [11182.762941] ata2: EH complete Since I am seeing this error on BOTH the 80 Gb and the 160 GB hard drive only after upgrading to ubuntu 9.04. I am guessing there is a configuration / bug in ubuntu 9.04. -G -- Harddisk stops working after wakeup https://bugs.launchpad.net/bugs/358943 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs