Messages in this thread | | | Date | Wed, 19 Jan 2011 16:01:48 +0100 | From | Tejun Heo <> | Subject | Re: PROBLEM: Disk continually remounts and hardlocks the entire system if running on battery. |
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On Wed, Jan 19, 2011 at 01:14:30AM +0300, Dmitry wrote: > On Tue, 18 Jan 2011 22:46:34 +0100, John Tyree <johntyree@gmail.com> wrote: > > [1.] Disk continually remounts and hardlocks the entire system if running on > > battery. > > > > [2.] When I unplug the power cord from laptop, the harddrive immediately > > stops spinning and nothing happens for up to ten seconds or more. During > > this > > time, absolutely nothing works except the mouse moving around in X. > > Applications do not redraw their guis, Can't launch anything or close > > anything. Just have to wait until it remounts and I hear the drive spin up. > > At that time, everything snaps back to life as if nothing has happened. > > > > dmesg shows the following: > oh, just look at ata errors, definitely this is not fs's problem, > it's looks like your disk is dieing, Your options: > 1) plug/unplug sata cable :), in my experience this is the root of cause > in 50% of cases. > 2) smart ctl logs > > > > [28687.441335] ata1.00: configured for UDMA/33 > > [28687.441345] ata1: EH complete > > [28687.443153] sd 0:0:0:0: [sda] Write cache: disabled, read cache: enabled, > > doesn't support DPO or FUA > > [28688.563053] EXT4-fs (sda5): re-mounted. Opts: commit=600 > > [28688.570501] EXT4-fs (dm-0): re-mounted. Opts: commit=600 > > [28727.760100] ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x110000 action > > 0x6 frozen > > [28727.760115] ata1: SError: { PHYRdyChg Dispar } > > [28727.760126] ata1.00: failed command: WRITE DMA EXT > > [28727.760144] ata1.00: cmd 35/00:08:5d:8b:e1/00:00:17:00:00/e0 tag 0 dma > > 4096 out > > [28727.760148] res 40/00:f4:00:00:00/00:00:00:00:00/40 Emask 0x4 > > (timeout) > > [28727.760156] ata1.00: status: { DRDY } > > [28727.760170] ata1: hard resetting link > > [28728.066096] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 310) > > [28728.067819] ata1.00: configured for UDMA/33 > > [28728.068309] ata1.00: device reported invalid CHS sector 0 > > [28728.068337] ata1: EH complete > > [28730.395512] ata1.00: configured for UDMA/33 > > [28730.395520] ata1: EH complete > > [28730.430938] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, > > doesn't support DPO or FUA > > [28730.953631] EXT4-fs (sda5): re-mounted. Opts: commit=0 > > [28730.958914] EXT4-fs (dm-0): re-mounted. Opts: commit=0 > > > > This happens everytime the power is unplugged and continutes to happen, with > > the harddrive spinning up and working for about 10 seconds before it happens > > again. When the power is plugged back in, everything goes right back to > > normal. This started with vanilla 2.6.37 from linus's git. I thought it > > might > > have something to do with laptop-mode, but disabling it did not change > > anything.
Please attach full kernel log after such event including the boog messages.
Thanks.
-- tejun
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