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Your right. Sorry. Yes, I tried for weeks setting up Slackware, later trying Debian and finally CentOS, only to find I burned the CDs to fast. I think you can verify the integrity of the disk(s) by doing a sumcheck.
Your right. Sorry. Yes, I tried for weeks setting up Slackware, later trying Debian and finally CentOS, only to find I burned the CDs to fast. I think you can verify the integrity of the disk(s) by doing a sumcheck.
No problem. I'll give it a shot, though all the burner software on my laptop only gives me the option to go down to 10x. To answer the original question, 24x was the default speed and what I've used for everything up to this point.
Are you sure? I installed Slackware and ran it numerous times, even running appliations, but it kept crashing. An experienced Linux user asked me about my burn speed, knowing my system was up. With CentOS, I installed the OS, and got as far as setting up the root password, which is where it froze. At that point I decided to burn at a slower speed which worked without glitch.
I'd like to see /var/log/syslog and the output of dmesg.
So on this rare occasion, I was able to get Ubuntu to actually boot off the cd and come up. Obviously, since I'm posting this off the system I'm trying to get to work, I don't have the NIC disabled at the moment. I've attached the syslog. The output of dmesg is attached as well.
Okay, either you've got a scratch/fingerprint on your disk, or your CD-ROM/DVD ROM is having issues.
Easiest way to tell is to run these two commands;
tail -f /var/adm/messages &
time dd if=/dev/sr0 of=/dev/null
If you start seeing errors on your screen, it's either a bad ROM drive, a bad CD/DVD-R disc, or a bad burn. To be sure, throw another burn in there and re-run the test.
Code:
Jan 31 23:31:01 ubuntu kernel: [ 16.273018] sr 2:0:0:0: [sr0] Unhandled sense code
Jan 31 23:31:01 ubuntu kernel: [ 16.273023] sr 2:0:0:0: [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Jan 31 23:31:01 ubuntu kernel: [ 16.273027] sr 2:0:0:0: [sr0] Sense Key : Hardware Error [current]
Jan 31 23:31:01 ubuntu kernel: [ 16.273031] sr 2:0:0:0: [sr0] Add. Sense: Timeout on logical unit
Jan 31 23:31:01 ubuntu kernel: [ 16.273037] sr 2:0:0:0: [sr0] CDB: Read(10): 28 00 00 05 6a 64 00 00 01 00
Jan 31 23:31:01 ubuntu kernel: [ 16.273046] end_request: I/O error, dev sr0, sector 1419664
Jan 31 23:31:01 ubuntu kernel: [ 16.273050] Buffer I/O error on device sr0, logical block 354916
Jan 31 23:31:01 ubuntu kernel: [ 22.697054] sr 2:0:0:0: [sr0] Unhandled sense code
Jan 31 23:31:01 ubuntu kernel: [ 22.697057] sr 2:0:0:0: [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Jan 31 23:31:01 ubuntu kernel: [ 22.697060] sr 2:0:0:0: [sr0] Sense Key : Hardware Error [current]
Jan 31 23:31:01 ubuntu kernel: [ 22.697063] sr 2:0:0:0: [sr0] Add. Sense: Timeout on logical unit
Jan 31 23:31:01 ubuntu kernel: [ 22.697068] sr 2:0:0:0: [sr0] CDB: Read(10): 28 00 00 05 6a 64 00 00 01 00
Jan 31 23:31:01 ubuntu kernel: [ 22.697076] end_request: I/O error, dev sr0, sector 1419664
Jan 31 23:31:01 ubuntu kernel: [ 22.697078] Buffer I/O error on device sr0, logical block 354916
Jan 31 23:31:01 ubuntu kernel: [ 29.079566] sr 2:0:0:0: [sr0] Unhandled sense code
Jan 31 23:31:01 ubuntu kernel: [ 29.079568] sr 2:0:0:0: [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Jan 31 23:31:01 ubuntu kernel: [ 29.079571] sr 2:0:0:0: [sr0] Sense Key : Hardware Error [current]
Jan 31 23:31:01 ubuntu kernel: [ 29.079574] sr 2:0:0:0: [sr0] Add. Sense: Timeout on logical unit
Jan 31 23:31:01 ubuntu kernel: [ 29.079578] sr 2:0:0:0: [sr0] CDB: Read(10): 28 00 00 05 6a 64 00 00 01 00
Jan 31 23:31:01 ubuntu kernel: [ 29.079586] end_request: I/O error, dev sr0, sector 1419664
Jan 31 23:31:01 ubuntu kernel: [ 29.079589] Buffer I/O error on device sr0, logical block 354916
Jan 31 23:31:01 ubuntu kernel: [ 35.612337] sr 2:0:0:0: [sr0] Unhandled sense code
Jan 31 23:31:01 ubuntu kernel: [ 35.612339] sr 2:0:0:0: [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Jan 31 23:31:01 ubuntu kernel: [ 35.612342] sr 2:0:0:0: [sr0] Sense Key : Hardware Error [current]
Jan 31 23:31:01 ubuntu kernel: [ 35.612345] sr 2:0:0:0: [sr0] Add. Sense: Timeout on logical unit
Jan 31 23:31:01 ubuntu kernel: [ 35.612350] sr 2:0:0:0: [sr0] CDB: Read(10): 28 00 00 05 6a 64 00 00 01 00
Jan 31 23:31:01 ubuntu kernel: [ 35.612357] end_request: I/O error, dev sr0, sector 1419664
Jan 31 23:31:01 ubuntu kernel: [ 35.612360] Buffer I/O error on device sr0, logical block 354916
Jan 31 23:31:01 ubuntu kernel: [ 42.069744] sr 2:0:0:0: [sr0] Unhandled sense code
Jan 31 23:31:01 ubuntu kernel: [ 42.069746] sr 2:0:0:0: [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Jan 31 23:31:01 ubuntu kernel: [ 42.069749] sr 2:0:0:0: [sr0] Sense Key : Hardware Error [current]
Jan 31 23:31:01 ubuntu kernel: [ 42.069753] sr 2:0:0:0: [sr0] Add. Sense: Timeout on logical unit
Jan 31 23:31:01 ubuntu kernel: [ 42.069757] sr 2:0:0:0: [sr0] CDB: Read(10): 28 00 00 05 6a 64 00 00 01 00
Jan 31 23:31:01 ubuntu kernel: [ 42.069764] end_request: I/O error, dev sr0, sector 1419664
Jan 31 23:31:01 ubuntu kernel: [ 42.069767] Buffer I/O error on device sr0, logical block 354916
Jan 31 23:31:01 ubuntu kernel: [ 48.526088] sr 2:0:0:0: [sr0] Unhandled sense code
Jan 31 23:31:01 ubuntu kernel: [ 48.526090] sr 2:0:0:0: [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Jan 31 23:31:01 ubuntu kernel: [ 48.526093] sr 2:0:0:0: [sr0] Sense Key : Hardware Error [current]
Jan 31 23:31:01 ubuntu kernel: [ 48.526096] sr 2:0:0:0: [sr0] Add. Sense: Timeout on logical unit
Jan 31 23:31:01 ubuntu kernel: [ 48.526100] sr 2:0:0:0: [sr0] CDB: Read(10): 28 00 00 05 6a 64 00 00 01 00
Jan 31 23:31:01 ubuntu kernel: [ 48.526108] end_request: I/O error, dev sr0, sector 1419664
Jan 31 23:31:01 ubuntu kernel: [ 48.526110] Buffer I/O error on device sr0, logical block 354916
Jan 31 23:31:01 ubuntu kernel: [ 54.983116] sr 2:0:0:0: [sr0] Unhandled sense code
Jan 31 23:31:01 ubuntu kernel: [ 54.983118] sr 2:0:0:0: [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Jan 31 23:31:01 ubuntu kernel: [ 54.983121] sr 2:0:0:0: [sr0] Sense Key : Hardware Error [current]
Jan 31 23:31:01 ubuntu kernel: [ 54.983125] sr 2:0:0:0: [sr0] Add. Sense: Timeout on logical unit
Jan 31 23:31:01 ubuntu kernel: [ 54.983129] sr 2:0:0:0: [sr0] CDB: Read(10): 28 00 00 05 6a 64 00 00 01 00
Jan 31 23:31:01 ubuntu kernel: [ 54.983136] end_request: I/O error, dev sr0, sector 1419664
Jan 31 23:31:01 ubuntu kernel: [ 54.983139] Buffer I/O error on device sr0, logical block 354916
Jan 31 23:31:01 ubuntu kernel: [ 62.039216] sr 2:0:0:0: [sr0] Unhandled sense code
Jan 31 23:31:01 ubuntu kernel: [ 62.039219] sr 2:0:0:0: [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Jan 31 23:31:01 ubuntu kernel: [ 62.039222] sr 2:0:0:0: [sr0] Sense Key : Hardware Error [current]
Jan 31 23:31:01 ubuntu kernel: [ 62.039226] sr 2:0:0:0: [sr0] Add. Sense: Timeout on logical unit
Jan 31 23:31:01 ubuntu kernel: [ 62.039230] sr 2:0:0:0: [sr0] CDB: Read(10): 28 00 00 05 6a 62 00 00 02 00
Jan 31 23:31:01 ubuntu kernel: [ 62.039237] end_request: I/O error, dev sr0, sector 1419656
Jan 31 23:31:01 ubuntu kernel: [ 62.039239] Buffer I/O error on device sr0, logical block 354914
Jan 31 23:31:01 ubuntu kernel: [ 16.273018] sr 2:0:0:0: [sr0] Unhandled sense code
Jan 31 23:31:01 ubuntu kernel: [ 16.273023] sr 2:0:0:0: [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Jan 31 23:31:01 ubuntu kernel: [ 16.273027] sr 2:0:0:0: [sr0] Sense Key : Hardware Error [current]
Jan 31 23:31:01 ubuntu kernel: [ 16.273031] sr 2:0:0:0: [sr0] Add. Sense: Timeout on logical unit
Jan 31 23:31:01 ubuntu kernel: [ 16.273037] sr 2:0:0:0: [sr0] CDB: Read(10): 28 00 00 05 6a 64 00 00 01 00
Jan 31 23:31:01 ubuntu kernel: [ 16.273046] end_request: I/O error, dev sr0, sector 1419664
Jan 31 23:31:01 ubuntu kernel: [ 16.273050] Buffer I/O error on device sr0, logical block 354916
Jan 31 23:31:01 ubuntu kernel: [ 22.697054] sr 2:0:0:0: [sr0] Unhandled sense code
Jan 31 23:31:01 ubuntu kernel: [ 22.697057] sr 2:0:0:0: [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Jan 31 23:31:01 ubuntu kernel: [ 22.697060] sr 2:0:0:0: [sr0] Sense Key : Hardware Error [current]
Jan 31 23:31:01 ubuntu kernel: [ 22.697063] sr 2:0:0:0: [sr0] Add. Sense: Timeout on logical unit
Jan 31 23:31:01 ubuntu kernel: [ 22.697068] sr 2:0:0:0: [sr0] CDB: Read(10): 28 00 00 05 6a 64 00 00 01 00
Jan 31 23:31:01 ubuntu kernel: [ 22.697076] end_request: I/O error, dev sr0, sector 1419664
Jan 31 23:31:01 ubuntu kernel: [ 22.697078] Buffer I/O error on device sr0, logical block 354916
Jan 31 23:31:01 ubuntu kernel: [ 29.079566] sr 2:0:0:0: [sr0] Unhandled sense code
Jan 31 23:31:01 ubuntu kernel: [ 29.079568] sr 2:0:0:0: [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Jan 31 23:31:01 ubuntu kernel: [ 29.079571] sr 2:0:0:0: [sr0] Sense Key : Hardware Error [current]
Jan 31 23:31:01 ubuntu kernel: [ 29.079574] sr 2:0:0:0: [sr0] Add. Sense: Timeout on logical unit
Jan 31 23:31:01 ubuntu kernel: [ 29.079578] sr 2:0:0:0: [sr0] CDB: Read(10): 28 00 00 05 6a 64 00 00 01 00
Jan 31 23:31:01 ubuntu kernel: [ 29.079586] end_request: I/O error, dev sr0, sector 1419664
Jan 31 23:31:01 ubuntu kernel: [ 29.079589] Buffer I/O error on device sr0, logical block 354916
Jan 31 23:31:01 ubuntu kernel: [ 35.612337] sr 2:0:0:0: [sr0] Unhandled sense code
Jan 31 23:31:01 ubuntu kernel: [ 35.612339] sr 2:0:0:0: [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Jan 31 23:31:01 ubuntu kernel: [ 35.612342] sr 2:0:0:0: [sr0] Sense Key : Hardware Error [current]
Jan 31 23:31:01 ubuntu kernel: [ 35.612345] sr 2:0:0:0: [sr0] Add. Sense: Timeout on logical unit
Jan 31 23:31:01 ubuntu kernel: [ 35.612350] sr 2:0:0:0: [sr0] CDB: Read(10): 28 00 00 05 6a 64 00 00 01 00
Jan 31 23:31:01 ubuntu kernel: [ 35.612357] end_request: I/O error, dev sr0, sector 1419664
Jan 31 23:31:01 ubuntu kernel: [ 35.612360] Buffer I/O error on device sr0, logical block 354916
Jan 31 23:31:01 ubuntu kernel: [ 42.069744] sr 2:0:0:0: [sr0] Unhandled sense code
Jan 31 23:31:01 ubuntu kernel: [ 42.069746] sr 2:0:0:0: [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Jan 31 23:31:01 ubuntu kernel: [ 42.069749] sr 2:0:0:0: [sr0] Sense Key : Hardware Error [current]
Jan 31 23:31:01 ubuntu kernel: [ 42.069753] sr 2:0:0:0: [sr0] Add. Sense: Timeout on logical unit
Jan 31 23:31:01 ubuntu kernel: [ 42.069757] sr 2:0:0:0: [sr0] CDB: Read(10): 28 00 00 05 6a 64 00 00 01 00
Jan 31 23:31:01 ubuntu kernel: [ 42.069764] end_request: I/O error, dev sr0, sector 1419664
Jan 31 23:31:01 ubuntu kernel: [ 42.069767] Buffer I/O error on device sr0, logical block 354916
Jan 31 23:31:01 ubuntu kernel: [ 48.526088] sr 2:0:0:0: [sr0] Unhandled sense code
Jan 31 23:31:01 ubuntu kernel: [ 48.526090] sr 2:0:0:0: [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Jan 31 23:31:01 ubuntu kernel: [ 48.526093] sr 2:0:0:0: [sr0] Sense Key : Hardware Error [current]
Jan 31 23:31:01 ubuntu kernel: [ 48.526096] sr 2:0:0:0: [sr0] Add. Sense: Timeout on logical unit
Jan 31 23:31:01 ubuntu kernel: [ 48.526100] sr 2:0:0:0: [sr0] CDB: Read(10): 28 00 00 05 6a 64 00 00 01 00
Jan 31 23:31:01 ubuntu kernel: [ 48.526108] end_request: I/O error, dev sr0, sector 1419664
Jan 31 23:31:01 ubuntu kernel: [ 48.526110] Buffer I/O error on device sr0, logical block 354916
Jan 31 23:31:01 ubuntu kernel: [ 54.983116] sr 2:0:0:0: [sr0] Unhandled sense code
Jan 31 23:31:01 ubuntu kernel: [ 54.983118] sr 2:0:0:0: [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Jan 31 23:31:01 ubuntu kernel: [ 54.983121] sr 2:0:0:0: [sr0] Sense Key : Hardware Error [current]
Jan 31 23:31:01 ubuntu kernel: [ 54.983125] sr 2:0:0:0: [sr0] Add. Sense: Timeout on logical unit
Jan 31 23:31:01 ubuntu kernel: [ 54.983129] sr 2:0:0:0: [sr0] CDB: Read(10): 28 00 00 05 6a 64 00 00 01 00
Jan 31 23:31:01 ubuntu kernel: [ 54.983136] end_request: I/O error, dev sr0, sector 1419664
Jan 31 23:31:01 ubuntu kernel: [ 54.983139] Buffer I/O error on device sr0, logical block 354916
Jan 31 23:31:01 ubuntu kernel: [ 62.039216] sr 2:0:0:0: [sr0] Unhandled sense code
Jan 31 23:31:01 ubuntu kernel: [ 62.039219] sr 2:0:0:0: [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Jan 31 23:31:01 ubuntu kernel: [ 62.039222] sr 2:0:0:0: [sr0] Sense Key : Hardware Error [current]
Jan 31 23:31:01 ubuntu kernel: [ 62.039226] sr 2:0:0:0: [sr0] Add. Sense: Timeout on logical unit
Jan 31 23:31:01 ubuntu kernel: [ 62.039230] sr 2:0:0:0: [sr0] CDB: Read(10): 28 00 00 05 6a 62 00 00 02 00
Jan 31 23:31:01 ubuntu kernel: [ 62.039237] end_request: I/O error, dev sr0, sector 1419656
Jan 31 23:31:01 ubuntu kernel: [ 62.039239] Buffer I/O error on device sr0, logical block 354914
Burn speed, I mentioned it thrice, well, now four times. The Oate promised to check it.
I'm in the process, have it trying to load up the one I burned at 10x. As far as the cds go, they all look perfect in terms of finger prints so I don't think the cds are the issue, at least not for being dirty. I suppose the discs could just be bad in general. I've had them a long time, though never had any issues with them before. The drive itself is always possible too.
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