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

From local10 <local10@tutanota.com>
Newsgroups linux.debian.user
Subject 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-5@gated-at.bofh.it> (permalink)
Organization linux.* mail to news gateway

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Hi,

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.

Any ideas? Thanks


# fdisk -l /dev/sdb
...
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000

Disk /dev/sdb doesn't contain a valid partition table

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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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