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#1 2013-06-09 21:25:48

masterkorp
Member
From: Ponte de Lima, Portugal
Registered: 2010-09-16
Posts: 47
Website

Super weird dd problem

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Hello,

So I was creating a archlinux usb bootable drive:

[root@masterkorp-laptop Downloads]# dd bs=4M if=archlinux-2013.06.01-dual.iso of=/dev/sdb
130+1 records in
130+1 records out
548405248 bytes (548 MB) copied, 0.964976 s, 568 MB/s

I was like WOW, this was too fast! But nothing ever gets written to
the pen drive.
To add to the weird factor, a dd to dev/sdb1 (partition) works as it
should, slowly. But then ofcourse the iso gets unbootable.

The md5sum on the iso is correct.
I tried with diferent pen drives.

Please, any suggestions is welcome.


Regards,
Alfredo Palhares

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#2 2013-06-09 21:32:38

WonderWoofy
Member
From: Los Gatos, CA
Registered: 2012-05-19
Posts: 8,414

Re: Super weird dd problem

sync?

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#3 2013-06-09 21:55:45

jasonwryan
Anarchist
From: .nz
Registered: 2009-05-09
Posts: 30,424
Website

Re: Super weird dd problem

Not an Installation issue, moving to Apps & DEs...


Arch + dwm   •   Mercurial repos  •   Surfraw

Registered Linux User #482438

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#4 2013-06-09 22:02:11

masterkorp
Member
From: Ponte de Lima, Portugal
Registered: 2010-09-16
Posts: 47
Website

Re: Super weird dd problem

WonderWoofy wrote:

sync?

I did indeed run sync. Nothing
And activity led on the pen drive does not even blink.

jasonwryan wrote:

Not an Installation issue, moving to Apps & DEs...

Sorry, and thanks for the move.


Regards,
Alfredo Palhares

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#5 2013-06-10 10:48:27

R00KIE
Forum Fellow
From: Between a computer and a chair
Registered: 2008-09-14
Posts: 4,734

Re: Super weird dd problem

It would be good to know which usb drive we are talking about, if it has any "features" such as U3 or if it was an offer and came with publicity materials or something like that.


R00KIE
Tm90aGluZyB0byBzZWUgaGVyZSwgbW92ZSBhbG9uZy4K

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#6 2013-06-10 10:50:35

karol
Archivist
Registered: 2009-05-06
Posts: 25,440

Re: Super weird dd problem

OP posted his question to the ML https://mailman.archlinux.org/pipermail … 33660.html
No solution yet.

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#7 2013-06-10 13:07:49

R00KIE
Forum Fellow
From: Between a computer and a chair
Registered: 2008-09-14
Posts: 4,734

Re: Super weird dd problem

It should be decided where to continue the discussion, cross posting is not such a good idea as some people will not be kept on the loop. On the forum it might get more exposure but on the ML it might get the attention of people with more knowledge/experience. That said, I'll (re)post my question on the ML.


R00KIE
Tm90aGluZyB0byBzZWUgaGVyZSwgbW92ZSBhbG9uZy4K

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#8 2013-06-10 20:31:11

anatolik
Developer
Registered: 2012-09-27
Posts: 458

Re: Super weird dd problem

My best guess is that it is a hardware issue. Noname USB drives quite often have this kind of issues - they report operation finished but in fact it is not.

I burned images to USB/SD cards ~dozen times this year and never had any issues.Try to check it with another USB drive (my recommendation is SanDisk Cruzer).


Read it before posting http://www.catb.org/esr/faqs/smart-questions.html
Ruby gems repository done right https://bbs.archlinux.org/viewtopic.php?id=182729
Fast initramfs generator with security in mind https://wiki.archlinux.org/index.php/Booster

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#9 2013-06-10 21:11:59

jasonwryan
Anarchist
From: .nz
Registered: 2009-05-09
Posts: 30,424
Website

Re: Super weird dd problem

This can continue on the ML. If a definitive answer is provided, I'll add it here for future reference.


Closing.


Arch + dwm   •   Mercurial repos  •   Surfraw

Registered Linux User #482438

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