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Re: ISO file to sd card: Disk /dev/sdb doesn't contain a valid partition table

From Nicolas George <george@nsup.org>
Newsgroups linux.debian.user
Subject Re: ISO file to sd card: Disk /dev/sdb doesn't contain a valid partition table
Date 2018-08-14 14:50 +0200
Message-ID <wmGVP-2Mc-9@gated-at.bofh.it> (permalink)
References <wmGVP-2Mc-5@gated-at.bofh.it>
Organization linux.* mail to news gateway

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local10 (2018-08-14):
> Am having issues trasfering iso file to an sd card using dd:
> 
> # dd if=/tmp/winfile.iso of=/dev/sdb bs=1M conv=fsync
> 
> dd completes successfully without any issues but when I try to mount
> the sd card I can't (wrong fs type, bad option, bad superblock on
> /dev/sdb1) and fdisk says "Disk /dev/sdb doesn't contain a valid
> partition table". That's kind of strange as I can mount and read
> /tmp/winfile.iso and it seems to be in good order.

That is perfectly normal, an ISO file is an ISO-9660 filesystem image,
it does not contain a MBR-style partition table.

You can try to mount /dev/sdb itself. But you are probably doing
something wrong in the first place. What is your endgame?

Regards,

-- 
  Nicolas George

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Thread

ISO file to sd card: Disk /dev/sdb doesn't contain a valid  partition table local10 <local10@tutanota.com> - 2018-08-14 14:50 +0200
  Re: ISO file to sd card: Disk /dev/sdb doesn't contain a valid  partition table Nicolas George <george@nsup.org> - 2018-08-14 14:50 +0200
    Re: ISO file to sd card: Disk /dev/sdb doesn't contain a valid  partition table Nicolas George <george@nsup.org> - 2018-08-14 15:40 +0200
    Re: ISO file to sd card: Disk /dev/sdb doesn't contain a valid  partition table local10 <local10@tutanota.com> - 2018-08-14 15:40 +0200
      Re: ISO file to sd card: Disk /dev/sdb doesn't contain a valid partition table deloptes <deloptes@gmail.com> - 2018-08-14 20:40 +0200
        [SOLVED] Re: ISO file to sd card: Disk /dev/sdb doesn't contain a  valid partition table local10 <local10@tutanota.com> - 2018-08-15 11:00 +0200
      Re: ISO file to sd card: Disk /dev/sdb doesn't contain a valid  partition table Pascal Hambourg <pascal@plouf.fr.eu.org> - 2018-08-15 10:10 +0200
  Re: ISO file to sd card: Disk /dev/sdb doesn't contain a valid  partition table Jude DaShiell <jdashiel@panix.com> - 2018-08-15 05:50 +0200

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