<div dir="ltr"><br><div class="gmail_extra"><br><br><div class="gmail_quote">Il giorno 11 maggio 2013 18:24, Stefano Ballardini <span dir="ltr"><<a href="mailto:stefano.ballardini@gmail.com" target="_blank">stefano.ballardini@gmail.com</a>></span> ha scritto:<br>
<blockquote class="gmail_quote" style="margin:0pt 0pt 0pt 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><br><div class="gmail_extra"><div class="gmail_quote"><div>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).<br>
</div></div></div></div></blockquote><div><br></div><div>Ecco un po' di quello che dice dmesg, da quando vede il disco ai primi segnali di "smarrimento":<br><br>usb 1-2: USB disconnect, device number 2<br>[ 6818.831319] usb 1-2: new high-speed USB device number 4 using ehci_hcd<br>
[ 6818.965033] usb 1-2: New USB device found, idVendor=05e3, idProduct=0718<br>[ 6818.965043] usb 1-2: New USB device strings: Mfr=0, Product=1, SerialNumber=2<br>[ 6818.965050] usb 1-2: Product: USB Storage<br>[ 6818.965056] usb 1-2: SerialNumber: 000000000033<br>
[ 6818.966426] scsi5 : usb-storage 1-2:1.0<br>[ 6819.963197] scsi 5:0:0:0: Direct-Access WDC WD80 0AAJS-60PSA0 0041 PQ: 0 ANSI: 0<br>[ 6819.964598] sd 5:0:0:0: Attached scsi generic sg1 type 0<br>[ 6819.965061] sd 5:0:0:0: [sdb] 156301488 512-byte logical blocks: (80.0 GB/74.5 GiB)<br>
[ 6819.966192] sd 5:0:0:0: [sdb] Write Protect is off<br>[ 6819.966201] sd 5:0:0:0: [sdb] Mode Sense: 03 00 00 00<br>[ 6819.967188] sd 5:0:0:0: [sdb] No Caching mode page present<br>[ 6819.967199] sd 5:0:0:0: [sdb] Assuming drive cache: write through<br>
[ 6819.970073] sd 5:0:0:0: [sdb] No Caching mode page present<br>[ 6819.970085] sd 5:0:0:0: [sdb] Assuming drive cache: write through<br>[ 6819.974796] sdb: sdb1<br>[ 6819.978566] sd 5:0:0:0: [sdb] No Caching mode page present<br>
[ 6819.978576] sd 5:0:0:0: [sdb] Assuming drive cache: write through<br>[ 6819.978583] sd 5:0:0:0: [sdb] Attached SCSI disk<br>[ 6850.309029] usb 1-2: reset high-speed USB device number 4 using ehci_hcd<br>[ 6881.295648] usb 1-2: reset high-speed USB device number 4 using ehci_hcd<br>
[ 6912.218299] usb 1-2: reset high-speed USB device number 4 using ehci_hcd<br>[ 6943.140974] usb 1-2: reset high-speed USB device number 4 using ehci_hcd<br>[ 6974.067643] usb 1-2: reset high-speed USB device number 4 using ehci_hcd<br>
[ 7004.986361] usb 1-2: reset high-speed USB device number 4 using ehci_hcd<br>[ 7036.036825] usb 1-2: reset high-speed USB device number 4 using ehci_hcd<br>[ 7066.959508] usb 1-2: reset high-speed USB device number 4 using ehci_hcd<br>
[ 7097.882238] usb 1-2: reset high-speed USB device number 4 using ehci_hcd<br>[ 7128.804879] usb 1-2: reset high-speed USB device number 4 using ehci_hcd<br>[ 7159.727569] usb 1-2: reset high-speed USB device number 4 using ehci_hcd<br>
[ 7188.865422] INFO: task flush-8:16:7886 blocked for more than 120 seconds.<br>[ 7188.865432] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.<br>[ 7188.865441] flush-8:16 D ffff88013fd13780 0 7886 2 0x00000000<br>
[ 7188.865454] ffff880138849710 0000000000000046 0000000000000000 ffff88013af4b610<br>[ 7188.865470] 0000000000013780 ffff8800b2513fd8 ffff8800b2513fd8 ffff880138849710<br>[ 7188.865484] ffff8800b2513850 00000001b2513850 ffff880137c4b7c0 ffff88013fd13fd0<br>
[ 7188.865498] Call Trace:<br>[ 7188.865515] [<ffffffff8134c8bc>] ? io_schedule+0x59/0x71<br>[ 7188.865528] [<ffffffff81198997>] ? get_request_wait+0x105/0x18f<br>[ 7188.865541] [<ffffffff8105f943>] ? add_wait_queue+0x3c/0x3c<br>
[ 7188.865553] [<ffffffff811998ec>] ? blk_queue_bio+0x17f/0x28b<br>[ 7188.865564] [<ffffffff81198423>] ? generic_make_request+0x90/0xcf<br>[ 7188.865575] [<ffffffff81198535>] ? submit_bio+0xd3/0xf1<br>
[ 7188.865585] [<ffffffff8112037e>] ? bio_alloc_bioset+0x43/0xb6<br>[ 7188.865594] [<ffffffff8111c2fc>] ? submit_bh+0xe2/0xff<br>[ 7188.865603] [<ffffffff8111d6e8>] ? __block_write_full_page+0x1ee/0x2d5<br>
[ 7188.865614] [<ffffffff8111ef04>] ? bit_spin_lock.constprop.30+0x22/0x22<br>[ 7188.865623] [<ffffffff811219df>] ? blkdev_get_blocks+0x83/0x83<br>[ 7188.865636] [<ffffffff810bbbe2>] ? __writepage+0xa/0x21<br>
[ 7188.865646] [<ffffffff810bba6a>] ? write_cache_pages+0x1f8/0x2e9<br>[ 7188.865658] [<ffffffff810bbbd8>] ? set_page_dirty_lock+0x2b/0x2b<br>[ 7188.865670] [<ffffffff810bbb95>] ? generic_writepages+0x3a/0x52<br>
[ 7188.865684] [<ffffffff81117962>] ? writeback_single_inode+0x124/0x2d3<br> <br></div><div>L'elenco è ancora lungo.<br></div><div>Posso segare il disco ?<br><br><br></div><div>pippersss<br></div></div></div></div>