Re: [Cdw-devel] Bugs prior to 0.5 release

[<cdw...@li...>]

On Wed, Jul 14, 2010 at 03:12:42PM -0800, cdw...@li... wrote:
>14) Time Time Until Completion dialog doesn't seem correct with growisofs.
>
>although I see within stderr:
>cdw_growisofs_pr_handle_writing_data():669: INFO: submatch 15, minutes
>remaining: "34" -> 34
>cdw_growisofs_pr_handle_writing_data():676: INFO: submatch 16, seconds
>remaining: "02" -> 2
>cdw_growisofs_pr_handle_writing_data():711: INFO: progress_string = "0.1/2.6
>MB"
>cdw_growisofs_pr_handle_writing_data():716: INFO: done / total = 0.051933 /
>2.596674 (task: burn from files)
>cdw_growisofs_pr_handle_writing_data():742: INFO: ETA: minutes = 34, seconds =
>2 -> string = "ETA: 34:02"
>cdw_growisofs_pr_handle_writing_data():655: INFO: submatch 6, decimal part of
>percentage: "3" -> 3
>cdw_growisofs_pr_handle_writing_data():662: INFO: submatch 7, fractional part
>of percentage: "0" -> 0
>cdw_growisofs_pr_handle_writing_data():669: INFO: submatch 15, minutes
>remaining: "24" -> 24
>cdw_growisofs_pr_handle_writing_data():676: INFO: submatch 16, seconds
>remaining: "06" -> 6
>cdw_growisofs_pr_handle_writing_data():711: INFO: progress_string = "0.1/2.6
>MB"
>cdw_growisofs_pr_handle_writing_data():716: INFO: done / total = 0.077900 /
>2.596674 (task: burn from files)
>cdw_growisofs_pr_handle_writing_data():742: INFO: ETA: minutes = 24, seconds =
>6 -> string = "ETA: 24:06"
>
>I know a 3.2M file doesn't take this long to write.  And then I see ETA jump down
>from 34 minutes to approximately 5 minutes (guessing) during the writing.
>
> ... SNIP ...
>
>syslog is dumping this:
>
>14 15:04:30 [kernel] sr 1:0:0:0: [sr0] Unhandled sense code
>Jul 14 15:04:30 [kernel] sr 1:0:0:0: [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
>Jul 14 15:04:30 [kernel] sr 1:0:0:0: [sr0] Sense Key : Medium Error [current]
>Jul 14 15:04:30 [kernel] sr 1:0:0:0: [sr0] Add. Sense: L-EC uncorrectable error
>Jul 14 15:04:30 [kernel] sr 1:0:0:0: [sr0] CDB: Read(10): 28 00 00 00 00 00 00 00 02 00
>Jul 14 15:04:30 [kernel] end_request: I/O error, dev sr0, sector 0
>Jul 14 15:04:30 [kernel] Buffer I/O error on device sr0, logical block 0
>Jul 14 15:04:40 [kernel] sr 1:0:0:0: [sr0] Unhandled sense code
>Jul 14 15:04:40 [kernel] sr 1:0:0:0: [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
>Jul 14 15:04:40 [kernel] sr 1:0:0:0: [sr0] Sense Key : Medium Error [current]
>Jul 14 15:04:40 [kernel] sr 1:0:0:0: [sr0] Add. Sense: L-EC uncorrectable error
>Jul 14 15:04:40 [kernel] sr 1:0:0:0: [sr0] CDB: Read(10): 28 00 00 00 00 00 00 00 02 00
>Jul 14 15:04:40 [kernel] end_request: I/O error, dev sr0, sector 0
>Jul 14 15:04:40 [kernel] Buffer I/O error on device sr0, logical block 0
>
>
>Seems like redundant duplicate errors, including the last error.
>
>At this point, I just usually toss the RW media -- seems it only lasts sometimes a few writes. :-/
>
>Or am I dumb and not realizing something???


... I forgot to add, it looks like the write was successful via commandline, but a long one for 3.2M!!!

    2981888/3330048 (89.5%) @0.0x, remaining 1:51 RBU   1.1% UBU 100.0%
    3014656/3330048 (90.5%) @0.0x, remaining 1:40 RBU   1.0% UBU 100.0%
    3014656/3330048 (90.5%) @0.0x, remaining 1:40 RBU   1.0% UBU 100.0%
    3014656/3330048 (90.5%) @0.0x, remaining 1:40 RBU   1.0% UBU 100.0%
builtin_dd: 1632*2KB out @ average 0.0x1352KBps
/dev/dvdrw: flushing cache
/dev/dvdrw: writing lead-out
/dev/dvdrw: reloading tray

real    20m17.912s
user    0m0.015s
sys     0m0.272s


Mounting the medium fails with similar syslog.

-- 
Roger
http://rogerx.freeshell.org/