[Bug 1834250] Re: update-grub complains about non-existent drives (due to cardreader)

[Zer00CooL]

For me, but, sorry, in french !

# L'errreur affichée sur Debian lors de la mise à jour du Grub avec update-grub :
/dev/sdb: open failed: No medium found

# La commande lsblk ne montre aucune partition sdb.

# La commande "sudo dmesg |grep sdb" affiche :
[3.48717] sd 6:0:0:0 [sdb] Attached SCSI removable disk

# Je suppose donc que c'est le multi-lecteur de carte SD que j'ai
ajouté, et, connecté en interne à la machine.

# Si ce lecteur n'est pas utilisé pour des fonctions lvm, l'ajouter au global_filter dans "/etc/lvm/lvm.conf".
sudo nano /etc/lvm/lvm.conf
# Ajouter la ligne suivante permettra de retirer les lignes "/dev/sdb: open failed: No medium found" :
global_filter = ["r|/dev/sdb|"]

# Exemple complémentaire :
# Accepte chaque périphériques de blocs :
# filter = [ "a|.*/|" ]
# Rejeter le lecteur de CD :
# filter = [ "r|/dev/cdrom|" ]

Résolu pour moi, avec ça !
Les messages d'erreur ne sont plus affichés dans mon cas.

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https://bugs.launchpad.net/bugs/1834250

Title:
  update-grub complains about non-existent drives (due to cardreader)

Status in grub2 package in Ubuntu:
  Confirmed

Bug description:
  sudo update-grub

  Sourcing file `/etc/default/grub'
  Sourcing file `/etc/default/grub.d/init-select.cfg'
  Generating grub configuration file ...
    /dev/sdc: open failed: No medium found
    /dev/sdd: open failed: No medium found
    /dev/sde: open failed: No medium found
    /dev/sdf: open failed: No medium found
    /dev/sdc: open failed: No medium found
    /dev/sdd: open failed: No medium found
    /dev/sde: open failed: No medium found
    /dev/sdf: open failed: No medium found
    /dev/sdc: open failed: No medium found
    /dev/sdd: open failed: No medium found
    /dev/sde: open failed: No medium found
    /dev/sdf: open failed: No medium found
    /dev/sdc: open failed: No medium found
    /dev/sdd: open failed: No medium found
    /dev/sde: open failed: No medium found
    /dev/sdf: open failed: No medium found
    /dev/sdc: open failed: No medium found
    /dev/sdd: open failed: No medium found
    /dev/sde: open failed: No medium found
    /dev/sdf: open failed: No medium found
    /dev/sdc: open failed: No medium found
    /dev/sdd: open failed: No medium found
    /dev/sde: open failed: No medium found
    /dev/sdf: open failed: No medium found
    /dev/sdc: open failed: No medium found
    /dev/sdd: open failed: No medium found
    /dev/sde: open failed: No medium found
    /dev/sdf: open failed: No medium found
    /dev/sdc: open failed: No medium found
    /dev/sdd: open failed: No medium found
    /dev/sde: open failed: No medium found
    /dev/sdf: open failed: No medium found
    /dev/sdc: open failed: No medium found
    /dev/sdd: open failed: No medium found
    /dev/sde: open failed: No medium found
    /dev/sdf: open failed: No medium found
    /dev/sdc: open failed: No medium found
    /dev/sdd: open failed: No medium found
    /dev/sde: open failed: No medium found
    /dev/sdf: open failed: No medium found
  Found linux image: /boot/vmlinuz-5.0.0-17-generic
  Found initrd image: /boot/initrd.img-5.0.0-17-generic
  Found linux image: /boot/vmlinuz-5.0.0-16-generic
  Found initrd image: /boot/initrd.img-5.0.0-16-generic
    /dev/sdc: open failed: No medium found
    /dev/sdd: open failed: No medium found
    /dev/sde: open failed: No medium found
    /dev/sdf: open failed: No medium found
    /dev/sdc: open failed: No medium found
    /dev/sdd: open failed: No medium found
    /dev/sde: open failed: No medium found
    /dev/sdf: open failed: No medium found
    /dev/sdc: open failed: No medium found
    /dev/sdd: open failed: No medium found
    /dev/sde: open failed: No medium found
    /dev/sdf: open failed: No medium found
  Adding boot menu entry for EFI firmware configuration
  done

  --

  lsblk

  NAME                     MAJ:MIN RM  SIZE RO TYPE  MOUNTPOINT
  sda                        8:0    0  3.7T  0 disk  
  ├─sda1                     8:1    0  512M  0 part  /boot/efi
  ├─sda2                     8:2    0  732M  0 part  /boot
  └─sda3                     8:3    0  3.7T  0 part  
    └─sda3_crypt           253:0    0  3.7T  0 crypt 
      ├─kubuntu--vg-swap_1 253:1    0  976M  0 lvm   [SWAP]
      └─kubuntu--vg-root   253:2    0  3.7T  0 lvm   /
  sdb                        8:16   0  3.7T  0 disk  
  └─sdb1                     8:17   0  3.7T  0 part  
  sdg                        8:96   0  7.3T  0 disk  
  └─sdg1                     8:97   0  7.3T  0 part  /media/scott/8TB Ext Drive
  sr0                       11:0    1 15.7G  0 rom   

  --

  cat /etc/default/grub

  GRUB_DEFAULT=0
  GRUB_TIMEOUT=10
  GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian`
  GRUB_CMDLINE_LINUX_DEFAULT="intel_iommu=on"
  GRUB_CMDLINE_LINUX=""

  ProblemType: Bug
  DistroRelease: Ubuntu 19.10
  Package: grub2-common 2.02+dfsg1-12ubuntu3
  ProcVersionSignature: Ubuntu 5.0.0-17.18-generic 5.0.8
  Uname: Linux 5.0.0-17-generic x86_64
  NonfreeKernelModules: nvidia_modeset nvidia
  ApportVersion: 2.20.11-0ubuntu3
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Tue Jun 25 15:05:29 2019
  InstallationDate: Installed on 2019-06-14 (10 days ago)
  InstallationMedia: Kubuntu 19.10 "Eoan Ermine" - Alpha amd64 (20190614)
  SourcePackage: grub2
  UpgradeStatus: No upgrade log present (probably fresh install)

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