[ImoLUG] Formattazione basso livello

[Stefano Ballardini]

Il giorno 11 maggio 2013 18:24, Stefano Ballardini <
stefano.ballardini@gmail.com> ha scritto:

>
> l'ho fatto ma le lentezza è sempre estrema, però posso dire che forse non
> è colpa di dd ma proprio del disco, pare abbia delle difficoltà a
> funzionare tipo errori di Input/Error e disconnessioni varie della porta
> usb (è attaccato al pc tramite cavetti esterni).
>

Ecco un po' di quello che dice dmesg, da quando vede il disco ai primi
segnali di "smarrimento":

usb 1-2: USB disconnect, device number 2
[ 6818.831319] usb 1-2: new high-speed USB device number 4 using ehci_hcd
[ 6818.965033] usb 1-2: New USB device found, idVendor=05e3, idProduct=0718
[ 6818.965043] usb 1-2: New USB device strings: Mfr=0, Product=1,
SerialNumber=2
[ 6818.965050] usb 1-2: Product: USB Storage
[ 6818.965056] usb 1-2: SerialNumber: 000000000033
[ 6818.966426] scsi5 : usb-storage 1-2:1.0
[ 6819.963197] scsi 5:0:0:0: Direct-Access     WDC WD80 0AAJS-60PSA0
0041 PQ: 0 ANSI: 0
[ 6819.964598] sd 5:0:0:0: Attached scsi generic sg1 type 0
[ 6819.965061] sd 5:0:0:0: [sdb] 156301488 512-byte logical blocks: (80.0
GB/74.5 GiB)
[ 6819.966192] sd 5:0:0:0: [sdb] Write Protect is off
[ 6819.966201] sd 5:0:0:0: [sdb] Mode Sense: 03 00 00 00
[ 6819.967188] sd 5:0:0:0: [sdb] No Caching mode page present
[ 6819.967199] sd 5:0:0:0: [sdb] Assuming drive cache: write through
[ 6819.970073] sd 5:0:0:0: [sdb] No Caching mode page present
[ 6819.970085] sd 5:0:0:0: [sdb] Assuming drive cache: write through
[ 6819.974796]  sdb: sdb1
[ 6819.978566] sd 5:0:0:0: [sdb] No Caching mode page present
[ 6819.978576] sd 5:0:0:0: [sdb] Assuming drive cache: write through
[ 6819.978583] sd 5:0:0:0: [sdb] Attached SCSI disk
[ 6850.309029] usb 1-2: reset high-speed USB device number 4 using ehci_hcd
[ 6881.295648] usb 1-2: reset high-speed USB device number 4 using ehci_hcd
[ 6912.218299] usb 1-2: reset high-speed USB device number 4 using ehci_hcd
[ 6943.140974] usb 1-2: reset high-speed USB device number 4 using ehci_hcd
[ 6974.067643] usb 1-2: reset high-speed USB device number 4 using ehci_hcd
[ 7004.986361] usb 1-2: reset high-speed USB device number 4 using ehci_hcd
[ 7036.036825] usb 1-2: reset high-speed USB device number 4 using ehci_hcd
[ 7066.959508] usb 1-2: reset high-speed USB device number 4 using ehci_hcd
[ 7097.882238] usb 1-2: reset high-speed USB device number 4 using ehci_hcd
[ 7128.804879] usb 1-2: reset high-speed USB device number 4 using ehci_hcd
[ 7159.727569] usb 1-2: reset high-speed USB device number 4 using ehci_hcd
[ 7188.865422] INFO: task flush-8:16:7886 blocked for more than 120 seconds.
[ 7188.865432] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables
this message.
[ 7188.865441] flush-8:16      D ffff88013fd13780     0  7886      2
0x00000000
[ 7188.865454]  ffff880138849710 0000000000000046 0000000000000000
ffff88013af4b610
[ 7188.865470]  0000000000013780 ffff8800b2513fd8 ffff8800b2513fd8
ffff880138849710
[ 7188.865484]  ffff8800b2513850 00000001b2513850 ffff880137c4b7c0
ffff88013fd13fd0
[ 7188.865498] Call Trace:
[ 7188.865515]  [<ffffffff8134c8bc>] ? io_schedule+0x59/0x71
[ 7188.865528]  [<ffffffff81198997>] ? get_request_wait+0x105/0x18f
[ 7188.865541]  [<ffffffff8105f943>] ? add_wait_queue+0x3c/0x3c
[ 7188.865553]  [<ffffffff811998ec>] ? blk_queue_bio+0x17f/0x28b
[ 7188.865564]  [<ffffffff81198423>] ? generic_make_request+0x90/0xcf
[ 7188.865575]  [<ffffffff81198535>] ? submit_bio+0xd3/0xf1
[ 7188.865585]  [<ffffffff8112037e>] ? bio_alloc_bioset+0x43/0xb6
[ 7188.865594]  [<ffffffff8111c2fc>] ? submit_bh+0xe2/0xff
[ 7188.865603]  [<ffffffff8111d6e8>] ? __block_write_full_page+0x1ee/0x2d5
[ 7188.865614]  [<ffffffff8111ef04>] ? bit_spin_lock.constprop.30+0x22/0x22
[ 7188.865623]  [<ffffffff811219df>] ? blkdev_get_blocks+0x83/0x83
[ 7188.865636]  [<ffffffff810bbbe2>] ? __writepage+0xa/0x21
[ 7188.865646]  [<ffffffff810bba6a>] ? write_cache_pages+0x1f8/0x2e9
[ 7188.865658]  [<ffffffff810bbbd8>] ? set_page_dirty_lock+0x2b/0x2b
[ 7188.865670]  [<ffffffff810bbb95>] ? generic_writepages+0x3a/0x52
[ 7188.865684]  [<ffffffff81117962>] ? writeback_single_inode+0x124/0x2d3

L'elenco è ancora lungo.
Posso segare il disco ?


pippersss
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