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Bug 222948 - DVD filesystem read errors
DVD filesystem read errors
Product: Fedora
Classification: Fedora
Component: kernel (Show other bugs)
x86_64 Linux
medium Severity medium
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Assigned To: Kernel Maintainer List
Brian Brock
Depends On:
Blocks: 427887
  Show dependency treegraph
Reported: 2007-01-16 17:57 EST by rmhristev
Modified: 2008-02-07 23:25 EST (History)
2 users (show)

See Also:
Fixed In Version:
Doc Type: Bug Fix
Doc Text:
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Clone Of:
Last Closed: 2008-02-07 23:25:03 EST
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Regression: ---
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Verified Versions:
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oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

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Description rmhristev 2007-01-16 17:57:59 EST
Description of problem:

DVD reading fails when the DVD is close to full. It appears that reading fails
if the size of the data on the DVD is >~ 4.1GB.

Version-Release number of selected component (if applicable):

Fedora Core 6, kernel 2.6.18-1.2869.fc6, x86_64 architecture

How reproducible:


Steps to Reproduce:
1. Create and burn a DVD image:

mkisofs -v -V <directory> -publisher <publisher> -J -r -pad -hide-rr-moved -o

cdrecord -v dev=<dev> fs=64m gracetime=2 -data -dao driveropts=burnfree <isofile>

2. Mount the burned DVD and read the files

3. Watch out for error of the following kind:
kernel: attempt to access beyond end of device
kernel: hda: rw=0, want=6567900, limit=1260840

Actual results:
I/O Errors.

Expected results:
Good readings.

Additional info:

1. This bug is outstanding since FC5
2. Reading DVD is OK on the ix86 (32 bit) architectures.
3. The images burned are OK. In fact a (very time consuming) workaround is to
read the iso image back (e.g. with readcd) and then mount it via the loopback
Comment 1 Jon Stanley 2008-01-07 20:52:13 EST
(This is a mass-update to all current FC6 kernel bugs in NEW state)


I'm reviewing this bug list as part of the kernel bug triage project, an attempt
to isolate current bugs in the Fedora kernel.


I am CC'ing myself to this bug, however this version of Fedora is no longer

Please attempt to reproduce this bug with a current version of Fedora (presently
Fedora 8). If the bug no longer exists, please close the bug or I'll do so in a
few days if there is no further information lodged.

Thanks for using Fedora!
Comment 2 Jon Stanley 2008-02-07 23:25:03 EST
Per the previous comment in this bug, I am closing it as INSUFFICIENT_DATA,
since no information has been lodged for over 30 days.

Please re-open this bug or file a new one if you can provide the requested data,
and thanks for filing the original report!

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