Re: [Bug 11589] New: Mass-storage USB Device does not show up when CONFIG_SCSI_MULTI_LUN is set

[Andrew Morton <akpm@linux-foundation.org>]

On Thu, 18 Sep 2008 18:22:23 -0700 (PDT) bugme-daemon@bugzilla.kernel.org wrote:

> http://bugzilla.kernel.org/show_bug.cgi?id=11589
> 
>            Summary: Mass-storage USB Device does not show up when
>                     CONFIG_SCSI_MULTI_LUN is set
>            Product: SCSI Drivers
>            Version: 2.5
>      KernelVersion: 2.6.26.5
>           Platform: All
>         OS/Version: Linux
>               Tree: Mainline
>             Status: NEW
>           Severity: normal
>           Priority: P1
>          Component: Other
>         AssignedTo: scsi_drivers-other@kernel-bugs.osdl.org
>         ReportedBy: nico@lifeisabug.com
> 
> 
> Latest working kernel version: I *guess* all before 2.6.26
> Earliest failing kernel version: Not sure. See above
> Distribution: Gentoo Linux
> Hardware Environment: Mobo: Abit IC7-G
> Software Environment:
> Problem Description:
> 
> The problem is about my mobile phone (Sony Ericsson K810i) which normally shows
> up as two devices (phones internal memory and the memory card in it) when
> plugging it to USB. Just like any USB Memory stick.
> 
> The phones internal memory is fine, it shows up as /dev/sdc1 with multi_lun
> enabled or disabled and it does not show any warnings, thats how the memory
> card in the phone used to work too. I don't know with what kernel version this
> started, but let me explain it:
> 
> When CONFIG_SCSI_MULTI_LUN is set, the memory card does not show up as it
> should, I only see /dev/sdd but not /dev/sdd1 - it's unable to mount it that
> way.
> When CONFIG_SCSI_MULTI_LUN is not set, it does show up as /dev/sdd1 but gives
> me loads of warnings like "attempt to access beyond end of device", see dmesg
> for that. This way it is mountable and works fine except the warnings.
> 
> Steps to reproduce: Plug Sony Ericsson K810i to USB and set it to file transfer
> mode.
> 

Another of those might-be-usb, might-be-scsi bugs.  Apparently a
regression, too.