System Update froze - UbuntuMATE 16-04

[Gene Heskett]

On Thursday 21 June 2018 13:41:20 Bret Busby wrote:

> On 22/06/2018, Sarunas Burdulis <sarunas at math.dartmouth.edu> wrote:
> > On 2018-06-21 13:23, Bret Busby wrote:
> >> On 22/06/2018, Sarunas Burdulis <sarunas at math.dartmouth.edu> wrote:
> >>> On 2018-06-21 11:46, Bret Busby wrote:
> >>> ...
> >>>
> >>>>> I can post a copy of an excerpt (possibly, tail) of the file
> >>>>> syslog, if that helps.
> >>>>
> >>>> "
> >>>> root at bret-Inspiron-580-UbuntuMATE:/home/bret# tail -30
> >>>> /var/log/syslog Jun 21 23:23:08 bret-Inspiron-580-UbuntuMATE
> >>>> kernel: [1718469.945845] sd 3:0:0:0: [sdb] tag#0 FAILED Result:
> >>>> hostbyte=DID_OK
> >>>> driverbyte=DRIVER_SENSE
> >>>> Jun 21 23:23:08 bret-Inspiron-580-UbuntuMATE kernel:
> >>>> [1718469.945852] sd 3:0:0:0: [sdb] tag#0 Sense Key : Hardware
> >>>> Error [current]
> >>>
> >>> ...
> >>>
> >>> If you're not sure, whether its your external USB drive, you may
> >>> check with `dmesg` and see how it is initialized. I can't suggest
> >>> a good grep pattern, but you should look for lines where 'sdb'
> >>> first appears and then several lines above there might be
> >>> usb-storage, usbcore messages, similar to this:
> >>>
> >>> [69237.176353] usb 1-13: new high-speed USB device number 4 using
> >>> xhci_hcd
> >>> [69237.425014] usb 1-13: New USB device found, idVendor=174c,
> >>> idProduct=5136
> >>> [69237.425017] usb 1-13: New USB device strings: Mfr=2, Product=3,
> >>> SerialNumber=1
> >>> [69237.425019] usb 1-13: Product: AS2105
> >>> [69237.425020] usb 1-13: Manufacturer: ASMedia
> >>> [69237.425022] usb 1-13: SerialNumber: 00000000000000000000
> >>> [69237.449081] usb-storage 1-13:1.0: USB Mass Storage device
> >>> detected [69237.449367] scsi host9: usb-storage 1-13:1.0
> >>> [69237.449495] usbcore: registered new interface driver
> >>> usb-storage [69237.451105] usbcore: registered new interface
> >>> driver uas [69238.461612] scsi 9:0:0:0: Direct-Access     ASMT    
> >>> 2105 0    PQ: 0 ANSI: 6
> >>> [69238.461934] sd 9:0:0:0: Attached scsi generic sg1 type 0
> >>> [69238.470229] sd 9:0:0:0: [sda] Spinning up disk...
> >>> [
> >>
> >> Response from dmesg ends with
> >>
> >> "
> >> [1724770.326664] sd 3:0:0:0: [sdb] tag#0 FAILED Result:
> >> hostbyte=DID_OK driverbyte=DRIVER_SENSE
> >> [1724770.326671] sd 3:0:0:0: [sdb] tag#0 Sense Key : Hardware Error
> >> [current]
> >> [1724770.326678] sd 3:0:0:0: [sdb] tag#0 Add. Sense: Internal
> >> target failure
> >> [1724770.326685] sd 3:0:0:0: [sdb] tag#0 CDB: Write(10) 2a 00 09 de
> >> 44 d8 00 00 f0 00
> >
> > Yes, we know sdb is broken and is holding up all disk IO, including
> > sync, then initramfs.
> >
> > If you know that sdb is your external USB drive, then you can pull
> > it from the USB port and the system may recover. If you're not sure
> > what sdb is, you can search dmesg messages for clues. For example
> >
> > dmesg | grep -A8 usb
> >
> > might show new USB device being initialized and then turned into
> > sdb.
> >
> > If instead sdb is your internal harddisk, then there probably is no
> > sense continuing with the upgrade. You may boot from live media and
> > try to salvage any data from it, if needed.
> >
> >
> > --
> > Sarunas Burdulis
> > Systems Administrator, Dartmouth Mathematics
> > math.dartmouth.edu/~sarunas
>
> "
> root at bret-Inspiron-580-UbuntuMATE:/home/bret# dmesg | grep -AB usb
> grep: B: invalid context length argument
> root at bret-Inspiron-580-UbuntuMATE:/home/bret# dmesg | grep -A8 usb
> root at bret-Inspiron-580-UbuntuMATE:/home/bret# dmesg | grep usb
> root at bret-Inspiron-580-UbuntuMATE:/home/bret#
> "
See man grep, your second invocation is almost correct. needs a 
trailing - to tell it to use stdin.

You could also use "grep -C8 usb /var/log/dmesg" or even /var/log/syslog 
but that may be quite verbose.

> --
> Bret Busby
> Armadale
> West Australia
> ..............
>
> "So once you do know what the question actually is,
>  you'll know what the answer means."
> - Deep Thought,
>  Chapter 28 of Book 1 of
>  "The Hitchhiker's Guide to the Galaxy:
>  A Trilogy In Four Parts",
>  written by Douglas Adams,
>  published by Pan Books, 1992
>
> ....................................................



-- 
Cheers, Gene Heskett
--
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page <http://geneslinuxbox.net:6309/gene>