Hi,
> As source I used the downloaded ISO of PartedMagic from 2012_11_30.
> I simply opened this with Brasero to start burning on a DVD-RW,
> which first had to be erased.
The bug that was fixed here did not affect burning of prepared
ISO images, but only composition of ISO images from hard disk
files and burning them to media without storing the images
ntermediately on hard disk.
So your problem is probably something different.
> After some time I saw 100% complete and something like
> "finalizing the media" and I continuously recognized mechanical
> movements from the readers head.
Unformatted DVD-RW get filled up to at least one full GB when they
get closed. The image pmagic_2012_11_30.iso has only 274 MB.
But 5 to 10 minutes for padding 750 MB would mean only 1x write speed.
> Then shortly I saw something with "successful", but I was unsure,
> if it was caused by my click or if it had happened anyway.
If the drive's activity was still about closing the medium then you
would have few chance to interrupt it. Only power-off would do.
But if Brasero was attempting to read an unreadable medium, then
it might have been your Abort which ended the torture.
> I'm wondering why Brasero doesn't have a "After burning check the
> content" option.
I would not be astonished if the strange behavior happened
in the course of a verification attempt.
To my knowledge it would use readcd. (I am not a regular Brasero
user.)
-------------------------------------------------------------------
What happens if you use one of my programs for burning the image ?
They are based on libburn like Brasero is by default, but elsewise
they do not share code with Brasero.
Under the assumption that your burner has the address /dev/sr0
and that a DVD-RW is inserted:
xorriso -as cdrecord -v dev=/dev/sr0 blank=deformat_quickest \
-eject pmagic_2012_11_30.iso
On a 4x DVD-RW, extra fast blanking lasts about 30 seconds.
Writing then shows about 30 seconds of zero progress.
Then i get progress messages about 4x write speed.
After about 50 further seconds i get a long time of messages
xorriso : UPDATE : 274 of 274 MB written (fifo 0%) [buf 99%] 0.0x.
with steady burn noise. No head movements to hear.
The burn run ends after a total of 264 seconds.
A checkread based on the medium's block checksums (DVD ECC)
can be done by:
xorriso -indev /dev/sr0 -check_media -- -eject all
should yield
Media current: DVD-RW sequential recording
Media status : is written , is closed
Boot record : El Torito , ISOLINUX isohybrid MBR pointing to boot image
Media summary: 1 session, 140438 data blocks, 274m data, 0 free
Volume id : 'Parted Magic'
xorriso : UPDATE : 32 blocks read in 5 seconds , 0.0xD
xorriso : UPDATE : 1792 blocks read in 6 seconds , 2.6xD
...
xorriso : UPDATE : 140438 blocks read in 96 seconds = 2.2xD
Hope for no messages like this
libburn : SORRY : SCSI error on read_10(16064,32): [3 11 05] Medium error.
L-EC uncorrectable error.
If they come frequently and progress is slow, then abort by Ctrl+C.
libburn gets such messages from the drive if the ECC redundancy does
not suffice to obtain a credible data block.
A readable medium should yield at the end:
Media checks : lba , size , quality
Media region : 0 , 140438 , + good
> I could burn successfully with Windows 7 right after.
Was this with the same DVD-RW medium and the same burner ?
Well, i just made two tests with above command.
The first one really yielded above SCSI error.
In the second write-and-check test, no read errors occured.
DVD-RW are somewhat adventurous media.
I prefer to format them:
xorriso -outdev /dev/sr0 -format as_needed -eject all
and to use no blank=deformat_quickest when writing to them.
As its name says, that option would deformat the medium.
Have a nice day :)
Thomas
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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to brasero in Ubuntu.
https://bugs.launchpad.net/bugs/780117
Title:
Brasero finishes without error but unusable media [on-the-fly mode]
(Ubuntu 11.04 ->12.04)
Status in A disc burning application for gnome 2:
New
Status in OEM Priority Project:
Fix Released
Status in OEM Priority Project precise series:
Fix Released
Status in “brasero” package in Ubuntu:
Fix Released
Status in “brasero” source package in Precise:
Fix Released
Status in “brasero” source package in Quantal:
Fix Released
Status in Baltix GNU/Linux:
In Progress
Status in “brasero” package in Fedora:
New
Bug description:
SRU Justification
~~~~~~~~~~~~~~~~~
Impact:
Currently Brasero will fail to write files to a disc in on-the-fly
mode using the libburnia plugin resulting in 'coastered' media.
This is the default mode of operation and unless the user is writing
a pre-built ISO image, this fails 100% of the time and has since Oneiric
-- possibly Natty.
Fix:
Complete/fix part of the following commit:
http://git.gnome.org/browse/brasero/commit/?id=1b8397ee252df2d554682ca2d694d5937fbf6e39
Particularly the change to plugins/libburnia/burn-libisofs.c around line
200 that hoisted the priv->libburn_src->read_xt() call out of the if()
statement
should have actually removed it instead of duplicating it.
Patch:
http://git.gnome.org/browse/brasero/commit/?id=253031b69c5dcbcf079c445ec530afb7ccd9ea82
Test Case:
* Insert blank CD or DVD in drive:
(1) Attempt to write files to the writable optical disc by dragging
files from Nautilus to a blank disc.
(2) Click on the 'Write Files to Disc' button in nautilus.
(3) Make sure 'on the fly' mode is enabled by selecting 'Burn image
directly without saving to disc' (which should be the default).
(4) Click on the 'burn' button.
* If the bug is fixed, you should have a properly written and readable
disc. Otherwise, the procedure will fail and the disc will be unusable.
----------
Binary package hint: brasero
When I burn a DVD (4,7 and 8,5 GB) Brasero show the progressbar till
about 30-40% (exact point is randomly) and than says, that it is
finalizing the media. This finalizing messages is showing for the rest
of the burning process (~10min @8x 8,5GB). After that, it ejects the
media without any error. But when I insert the media again, nothing
happens, except, that the DVD-Drive disappears from the "computer:///"
location in nautilus.
This problem only exists when burning On-The-Fly. Burning ISO Images
or automatic creation of ISO Images before burning works without
problems. The burning speed doesn't matter to this problem. I test 8x,
4x and 2x. All the same problem. On-The-Fly burning using K3B works
quite well @8x speed.
One thing I also notice is, that Brasero uses 100% CPU on one core,
while K3B uses just about 5-15%.
I attached the last Brasero log. I don't know, why it just says, that
it was only at 49% and then says it's finished. The burning took about
28 minutes. The media was unusable on all my three devices
(Linux/Windows).
ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: brasero 2.32.1-0ubuntu2
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic x86_64
NonfreeKernelModules: fglrx
Architecture: amd64
Date: Mon May 9 22:10:24 2011
ExecutablePath: /usr/bin/brasero
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
ProcEnviron:
LANGUAGE=de_DE:en
LANG=de_DE.UTF-8
SHELL=/bin/bash
SourcePackage: brasero
UpgradeStatus: No upgrade log present (probably fresh install)
XsessionErrors:
(brasero:2453): GLib-CRITICAL **: the GVariant format string `(u)' has a
type of `(u)' but the given value has a type of `()'
(brasero:2453): GLib-CRITICAL **: g_variant_get: assertion
`valid_format_string (format_string, TRUE, value)' failed
(<unknown>:4557): GStreamer-CRITICAL **: gst_debug_add_log_function:
assertion `func != NULL' failed
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https://bugs.launchpad.net/brasero/+bug/780117/+subscriptions
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