forestpiskie, it's probably bug 562978 (I still need some debug data
from Mike Brudevold to be 100% sure).
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cdrom_id: misdetects no media as audio CD
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"forestpiskie, this looks similar to John Yate's problem. So perhaps you
can subscribe to John's new bug, or you file a new one and John
subscribes to it. You don't get a phantom media for sr0, though, just
for sr1, right?"
It would appear so - at least I only get on on the desktop :)
If and when
My issue is the blank cd problem, and yes it happens on 151-10. 151-10
just solidified the problem where it gets detected as blank because you
initialize everything now, and there's no chance for it to be random
(unless you get random back).
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cdrom_id: misdetects no media as audio CD
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forestpiskie, this looks similar to John Yate's problem. So perhaps you
can subscribe to John's new bug, or you file a new one and John
subscribes to it. You don't get a phantom media for sr0, though, just
for sr1, right?
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cdrom_id: misdetects no media as audio CD
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sorry - this would appear to be completely the wrong thing - this is
nothing to do with an audio cd
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Still have this issue here - not sure if it is the same thing though .
Output of sudo /lib/udev/cdrom_id -d /dev/sr0 is
main: probing: '/dev/sr0'
cd_media_compat: CDROM_DRIVE_STATUS != CDS_DISC_OK
cd_inquiry: INQUIRY: [LITE-ON ][COMBO SOHC-5232K][NK0J]
cd_profiles: GET CONFIGURATION: number of pr
John,
thanks for the trace. I have a rough idea why this happens for you, but
since it's a totally different root cause, would you mind opening a new
bug, since this is closed? Thanks!
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Mike,
Mike Brudevold [2010-04-14 0:55 -]:
> I have now been able to reproduce the problem on 151-7.
Can you please retry with -10?
Martin
--
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Ubuntu Developer (www.ubuntu.com) | Debian Developer (www.debian.org)
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cdrom_id: misd
I wonder if the best way to solve this is to actually go through the
profile list yourself?
The following output is of the format (profile [profile number] [current
bit]):
This is my profile list with no CD (Active profile in header is 0x02):
profile 0x0a 0x00
profile 0x09 0x00
profile 0x08 0x00
I took a look at the profiles that are being reported from the "GET
CONFIGURATION" command, and none of them report that they are the
current profile, and yet the header reports 0x02 as the current profile.
I also submitted a patch (hopefully) to the hotplug mailing list that
fixes the enumeration
I have now been able to reproduce the problem on 151-7. The issue here
is that it is transient. Running cdrom_id on /dev/sr1 gave me differing
values of ID_CDROM_MEDIA_STATE, including "appendable", "complete",
"other" and "blank." On a hunch, I ran "sudo udevadm trigger" 9 times.
On the 9th tim
Oh, Yes I did restart.
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/lib/udev/cdrom_id -d /dev/sr0
main: probing: '/dev/sr0'
cd_media_compat: CDROM_DRIVE_STATUS != CDS_DISC_OK
cd_inquiry: INQUIRY: [SONY][CD-RW CRX230ED ][4YS1]
cd_profiles: GET CONFIGURATION: number of profiles 184
cd_profiles: profile 0x0a
cd_profiles: current profile 0x02
cd_media_toc: READ T
John Yates [2010-04-13 18:02 -]:
> I still have a phantom blank cd-rom disk showing on the desktop with
> udev_151-10.
Can you please give me the straces and cdrom_id -d outputs as
described above? Did you restart the computer after the upgrade, just
to be sure?
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I still have a phantom blank cd-rom disk showing on the desktop with
udev_151-10.
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I'm not able now to mount all my usb mass storage now but not sure that
is "linked " with this update
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Confirming the fix with the latest updates. Thank you very much for your
quick efforts, Martin.
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Thanks a lot, i can confirm too.
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This bug was fixed in the package udev - 151-10
---
udev (151-10) lucid; urgency=low
* cdrom_id: Turns out that some ioctls do not actually touch the result
buffer in some cases, so we need to zero the result buffers to avoid
interpreting random da CD properties. (LP: #55972
151-9pitti2 has also fixed the CD-ROM not detecting blank media.
Working good now :).
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Splendid, thanks for testing!
Fix committed upstream:
http://git.kernel.org/?p=linux/hotplug/udev.git;a=commitdiff;h=2b861dc92757b9a3214c2b8e9d8b1c3f3c162391
** Changed in: udev (Ubuntu Lucid)
Status: In Progress => Fix Committed
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Martin, good news, 151-9pitti1 didn't solve the problem but 151-9pitti2
seems to! :)
Not seeing phantoms currently. Attaching strace.
** Attachment added: "cdrom_id.trace"
http://launchpadlibrarian.net/44031839/cdrom_id.trace
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cdrom_id: misdetects no media as audio CD
https://bugs.launchpa
I just updated udev in my PPA to version 151-9pitti2, which now has a
more complete fix for the uninitialized variables than pitti1.
Please try this version. Thanks!
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Output of "sudo /lib/udev/cdrom_id -d /dev/sr0", current udev, seeing
phantom.
main: probing: '/dev/sr0'
cd_media_compat: CDROM_DRIVE_STATUS != CDS_DISC_OK
cd_inquiry: INQUIRY: [VBOX][CD-ROM ][1.0 ]
cd_profiles: GET CONFIGURATION: number of profiles 20
cd_profiles: current profile 0x0
OK, more questions:
* With current udev, if you get the phantom CD, please copy&paste the
output of
sudo /lib/udev/cdrom_id -d /dev/sr0
The -d option will provide some additional debug info.
* One particular part where I can reproduce garbage with a real CD
should be fixed in my PPA:
On a closer look, this patch in -9 was actually a no-op, and it again is
sheer luck. It rather seems that the difference seems to come from
building with and without optimization, I'll investigate further.
** Changed in: udev (Ubuntu Lucid)
Status: Fix Released => In Progress
--
cdrom_id:
I was about to report that downgrading udev worked for me, but I guess I
was too slow. :)
Okay, gonna wait until this new udev hits the repositories I use and
report accordingly.
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This bug was fixed in the package udev - 151-9
---
udev (151-9) lucid; urgency=low
* cdrom_id: In cases where cdrom_id does not go through the entire code path
and one of the probing functions returns -1 or exits early, the remaining
variables were never initialized. This ca
I think this should help:
http://git.kernel.org/?p=linux/hotplug/udev.git;a=commitdiff;h=816e6bf0fb0849d03696a4b4ec2334e35e819425
With this I get correct data in kvm.
I'll upload a new udev to lucid now (151-9). I'd appreciate if you could
confirm/deny that this fixes the problem for you as well.
I just tried that in kvm, and while I do not get phantom drives, I do
get some bogus data, too.
I'm more and more convinced that this isn't a direct cause of the code
changes between -5 and -8, but pure coincidence. It looks like cdrom_id
uses uninitialized data which just happens to be different
Installing udev 151-5 (386), reboot solve the problem.
No more audio cd if there is no cd.
(and of course it works inserting an audio cd)
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> For this user, go back to udev version 151-7 seems to solve this issue
Does it help for you? It would be great if you guys could test udev
151-5 on lucid. You can get the old .deb from here:
i386:
https://launchpad.net/ubuntu/+source/udev/151-5/+build/1514099/+files/udev_151-5_i386.deb
** Changed in: udev (Ubuntu)
Importance: Medium => High
** Also affects: udev (Ubuntu Lucid)
Importance: High
Assignee: Martin Pitt (pitti)
Status: In Progress
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cdrom_id: misdetects no media as audio CD
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Uh, that's indeed interesting. -6 did introduce a regression (it often
did not recognize audio and other CDs at all any more), but -7 should
have fixed it again. I'll look into this more closely.
** Package changed: linux (Ubuntu) => udev (Ubuntu)
** Changed in: udev (Ubuntu)
Importance: Low =
** Attachment added: "cdrom_id.trace.karmic.sr1"
http://launchpadlibrarian.net/43932550/cdrom_id.trace.karmic.sr1
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Here it goes, for Karmic. sr0 is the LiveCD itself, I suppose. There are
no phantoms.
** Attachment added: "cdrom_id.trace.karmic.sr0"
http://launchpadlibrarian.net/43932516/cdrom_id.trace.karmic.sr0
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** Attachment added: "cdrom_id.trace.lucid.sr1"
http://launchpadlibrarian.net/43931270/cdrom_id.trace.lucid.sr1
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VirtualBox cannot boot from USB, so I'm doing the following: I've
created a secondary virtual CD drive in my VirtualBox machine and I now
have two phantom audio discs in Lucid, one per drive (sr0 and sr1).
First I'll attach the traces for sr0 and sr1 in Lucid. Afterwards I'll
attach the same for Ka
Could it be the same isse as this one
https://bugs.launchpad.net/ubuntu/+source/udev/+bug/560469
For this user, go back to udev version 151-7 seems to solve this issue
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Thanks. So all ioctl()s succeed, but deliver totally bogus data,
reassigning to kernel.
Do you have a chance to try this under karmic (Ubuntu 9.10) as well? (A
live system booted from an USB stick should do fine). Could you do the
same strace there and attach it for comparison?
** Package changed
Here we go. I think it would be interesting if me and frenchy82 both
keep sending the requested logs, as he is with a real install and I am
with a VirtualBox install, so all bases all covered.
** Attachment added: "cdrom_id.trace"
http://launchpadlibrarian.net/43920776/cdrom_id.trace
--
cdrom
This is mine
** Attachment added: "cdrom_id.trace"
http://launchpadlibrarian.net/43920073/cdrom_id.trace
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