Re: error on sid laptop: ALERT! /dev/disk/by-uuid/493.....085 does not exist.
On Thu, Jul 10, 2014 at 02:42:14AM +0200, Jochen Spieker wrote:
> Nick Lidakis:
> >
> > I've recently been unable to boot into my thinkpad x200s because
> > of this error: ALERT! /dev/disk/by-uuid/493....085b does not exist. Dropping
> > to a shell!
> >
> > Most of the Google results are of users changin out disks or partitions and
> > the UUID get messed up. I haven't switched any disks or messed with any
> > partitions.
>
> Maybe your disk is corrupt. When you have inserted this disk into
> another system (or if you boot from a rescue CD) you can take a look
> whether the /dev/disk/by-uuid/493… path exists. You should also see a
> new device /dev/sdX and the device nodes for your partitions.
I Connected the SSD laptop drive on my desktop via SATA and mounted the root
partition.
Output of /dev:
phobos:/dev/disk/by-uuid# ls
1f9bb8e8-9df8-4216-9386-baf7ccebcc59 88d3b128-1ba4-4511-8428-79b4f0fbbf35
ceea9138-fcca-4342-b4b1-abba566e947b
48f73142-3355-4f5d-98a3-360e6ec03296 ab09f8df-6703-4483-a162-26647bd8884d
493046dc-a036-499a-8e17-33f19a65085b b1946e5e-e4ee-4113-82b4-7a40aecf7935
phobos:/dev/disk/by-uuid#
So it's there. But I also tried mounting the /home partition and copying some
files. I was able to cd to most directories but ons some I would get: ls:
reading directory .: Input/output error
And dmesg:
[ 2460.794520] Read(10): 28 00 00 00 08 00 00 00 20 00
[ 2460.794539] blk_update_request: 151 callbacks suppressed
[ 2460.794543] end_request: I/O error, dev sdc, sector 2048
[ 2460.794549] quiet_error: 152 callbacks suppressed
[ 2460.794553] Buffer I/O error on device sdc1, logical block 0
[ 2460.794558] Buffer I/O error on device sdc1, logical block 1
[ 2460.794562] Buffer I/O error on device sdc1, logical block 2
[ 2460.794565] Buffer I/O error on device sdc1, logical block 3
[ 2460.794601] sd 2:0:0:0: [sdc] Unhandled error code
[ 2460.794605] sd 2:0:0:0: [sdc]
[ 2460.794608] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
[ 2460.794611] sd 2:0:0:0: [sdc] CDB:
[ 2460.794613] Read(10): 28 00 00 00 08 00 00 00 08 00
[ 2460.794624] end_request: I/O error, dev sdc, sector 2048
[ 2460.794628] Buffer I/O error on device sdc1, logical block 0
[ 2468.452821] sd 2:0:0:0: [sdc] Unhandled error code
[ 2468.452831] sd 2:0:0:0: [sdc]
[ 2468.452835] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
[ 2468.452840] sd 2:0:0:0: [sdc] CDB:
[ 2468.452843] Read(10): 28 00 03 7e 20 00 00 00 20 00
[ 2468.452860] end_request: I/O error, dev sdc, sector 58597376
[ 2468.452868] Buffer I/O error on device sdc6, logical block 0
[ 2468.452873] Buffer I/O error on device sdc6, logical block 1
[ 2468.452877] Buffer I/O error on device sdc6, logical block 2
[ 2468.452880] Buffer I/O error on device sdc6, logical block 3
[ 2468.452915] sd 2:0:0:0: [sdc] Unhandled error code
[ 2468.452919] sd 2:0:0:0: [sdc]
[ 2468.452922] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
[ 2468.452926] sd 2:0:0:0: [sdc] CDB:
[ 2468.452928] Read(10): 28 00 03 7e 20 00 00 00 08 00
[ 2468.452940] end_request: I/O error, dev sdc, sector 58597376
[ 2468.452948] Buffer I/O error on device sdc6, logical block 0
I don't know if this is just corrupted data or a dead/dying SSD. I'll look
at the man pages for the S.M.A.R.T tools.
Nick
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