Re: Bug#733651: general: Any USB card reader works only after being replugged.
severity 733651 important
reassign 733651 src:linux
thanks
On Montag, 30. Dezember 2013, Miroslav Scaldov wrote:
> Package: general
> Severity: grave
> Justification: renders package unusable
>
> Dear Maintainer,
> *** Please consider answering these questions, where appropriate ***
>
> After system reboot or replugging USB card reader into USB slot, the SD or
> MMC or Memory Stick card appears in /dev/disks/by-id, say as /dev/sde,
> and in Nautilus panel.
> After unmounting it from Nautilus or from command line it disappears as it
> should.
> But if memory card is pulled out and inserted again, it does not appear
> again in Nautilus and dmesg shows no reaction.
> At the same time the device /dev/sde still exists, even if memory card is
> absent.
> If I issue "fdisk -l /dev/sde" with inserted card, it appears in Nautilus
> and in dmesg:
>
> [ 4713.404064] sd 6:0:0:0: [sde] 62666752 512-byte logical blocks: (32.0
> GB/29.8 GiB)
> [ 4713.405183] sd 6:0:0:0: [sde] No Caching mode page found
> [ 4713.405191] sd 6:0:0:0: [sde] Assuming drive cache: write through
> [ 4713.407902] sd 6:0:0:0: [sde] No Caching mode page found
> [ 4713.407911] sd 6:0:0:0: [sde] Assuming drive cache: write through
> [ 4713.409345] sde: sde1
> [ 4713.821575] EXT4-fs (sde1): recovery complete
> [ 4713.824733] EXT4-fs (sde1): mounted filesystem with ordered data mode.
> Opts: (null)
>
> If I unplug the mamory card, dmesg says:
>
> [ 4779.180564] sde: detected capacity change from 32085377024 to 0
>
> This behaviour began in september 2013 as far as I remember.
> It was annoying, I thought my card reader was broken and I replaced it, but
> problem still remained.
> So it is a bug.
>
> Affects cryptdisks as the key is stored on SD card.
>
>
>
> -- System Information:
> Debian Release: jessie/sid
> APT prefers unstable
> APT policy: (630, 'unstable')
> Architecture: amd64 (x86_64)
>
> Kernel: Linux 3.12-1-amd64 (SMP w/6 CPU cores)
> Locale: LANG=ru_RU.UTF-8, LC_CTYPE=ru_RU.UTF-8 (charmap=UTF-8)
> Shell: /bin/sh linked to /bin/dash
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