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Re: [Libmtp-discuss] Creative Zen 16gb fails to undock
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From: Pete C. <pet...@gm...> - 2008-02-25 12:23:29
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Sorry - haven't had chance to check this until now as I've been away. I checked and it turns out the Zen actually freezes after some number of files have been transferred. So disconnecting or hot-unplugging might not be the fault, but something in the transfer mechanism? Is there any script I could use to generate some debug info for this? Cheers, Pete > > Sorry - yes I mean disconnecting. Either through the GUI method in > > Rhythmbox and Gnomad, or when using: > > PTP/MTP has a command for closing a session and this is what > we're using. > > My best guess is that the Windows MTP implementation NEVER > close any sessions, but rely on the user to unplug the cable when > she/he is finished. So properly closing a session never actually happens > in Windows and the devices thus do not have this feature tested, > and thus it is a bug, deviant from the spec, but unreproducible under > windows. > > The "windows way" works fine with libmtp as well. If you use > e.g. Amarok or Gnomad2 with the latest HAL+D-Bus support it'll > react properly to such hot unplugging. > > Linus > > > > ------------------------------ > > Message: 3 > Date: Thu, 7 Feb 2008 22:30:41 +0100 > From: "Linus Walleij" <lin...@gm...> > Subject: Re: [Libmtp-discuss] Zune thoughts > To: lib...@li... > Message-ID: > <633...@ma...> > Content-Type: text/plain; charset=ISO-8859-1 > > 2008/2/7, Richard Low <ri...@we...>: > > > The Zune sends a random number to the computer which > > must then decode it and send it back in the clear. That is the 16 > > byte code you mention. But it's different every time. > > This is what is referred to as challenge-response authentication. > http://en.wikipedia.org/wiki/Challenge-response_authentication > > The only reason for the secret key to actually be on the host is > if you miss network connectivity, else it is somewhere on > Microsofts servers obviously. (That's what I would have done.) > I don't know if this device mandates network connectivity, I'd > be surprised if it doesn't. > > Linus > > > > ------------------------------ > > Message: 4 > Date: Thu, 7 Feb 2008 14:58:49 -0700 > From: "Robert Porter" <rob...@gm...> > Subject: [Libmtp-discuss] Zune Thoughts > To: lib...@li... > Message-ID: > <962...@ma...> > Content-Type: text/plain; charset="iso-8859-1" > > So any ideas on where we should be looking? Apparently we're looking in the > wrong place. > > >This hack unfortunately doesn't help. The Zune still needs to > >authenticate with the software, which we don't know how to do. Once > >the player thinks it's talking to the Zune software it will do > >anything - the restriction on only allowing the Zune to connect to a > >specific computer is part of the Zune software, not the player. So > >all the hack does it stop the Zune software from complaining if it is > >a foreign Zune. > > >Richard. > -------------- next part -------------- > An HTML attachment was scrubbed... > > ------------------------------ > > Message: 5 > Date: Thu, 7 Feb 2008 23:21:12 +0100 > From: Sciamano <sci...@gm...> > Subject: [Libmtp-discuss] Fwd: Help with libmtp commands > To: lib...@li... > Message-ID: > <57c...@ma...> > Content-Type: text/plain; charset=ISO-8859-1 > > 2008/2/7, Linus Walleij <lin...@gm...>: > > > > Is there any help file somewhere, any docs, anything that could help me? > > > > The example programs are not documented, because they are ... examples. > > > > If someone wants to shape them up to real cmdline tools and provide > > man pages, be my guest :-) > > Would love to.. if only I were able to do something like that!! > I can't even write a GUI for the already existing tools! :-( > > > > ------------------------------ > > Message: 6 > Date: Thu, 7 Feb 2008 18:31:33 -0500 > From: Levander <lev...@mi...> > Subject: Re: [Libmtp-discuss] MTP Device: Samsung SGH-A707 Phone > To: lib...@li... > Message-ID: > <a51...@ma...> > Content-Type: text/plain; charset="iso-8859-1" > > Yeah thanks Linus. I intend to try some device flags. I just wanted to > check with the list before I spent any more substantial time on the issue, > just to see if there wasn't something obvious that I didn't know. > > The comment about it being a rogue INF file was just taken from a comment > just above where the phone is mention in the device database in the source > code. Not that it really matters either way, I just want to try to fix it. > > Does rouge mean the same thing in your country that rogue means in mine? I > had kind of assumed the rouge spelling was just a typo and that the author > meant to say rogue. > > -Levander** > ** > > On Feb 7, 2008 4:18 PM, Linus Walleij <lin...@gm...> wrote: > > > 2008/2/7, Levander <lev...@mi...>: > > > > > I see that the SGH-A707 is already in the device database, > > > but that it was just copied and pasted in there from some "rogue INF > > file" > > > on the internet... > > > > Nothing is very rouge about it really. Anyway, the issue with this MTP > > implementation is that it recycles an ages old device ID samsung > > checked out for their first MTP device, tho it's not the same. But it may > > build on that old implementation tho. > > > > And I don't know why it doesn't work, I'd try some device flags. > > > > Linus > > > > ------------------------------------------------------------------------- > > This SF.net email is sponsored by: Microsoft > > Defy all challenges. Microsoft(R) Visual Studio 2008. > > http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ > > _______________________________________________ > > Libmtp-discuss mailing list > > Lib...@li... > > https://lists.sourceforge.net/lists/listinfo/libmtp-discuss > > > -------------- next part -------------- > An HTML attachment was scrubbed... > > ------------------------------ > > Message: 7 > Date: Thu, 07 Feb 2008 19:41:55 -0800 > From: Jason Lyons <bip...@gm...> > Subject: Re: [Libmtp-discuss] Zune Thoughts > To: lib...@li... > Message-ID: <47A...@gm...> > Content-Type: text/plain; charset=ISO-8859-1; format=flowed > > Could always get a copy of windasm and run some of the dlls and exes > through it see what kinda of info can be gleaned from them. > > > > ------------------------------ > > Message: 8 > Date: Fri, 8 Feb 2008 10:38:06 +0100 > From: "Linus Walleij" <lin...@gm...> > Subject: Re: [Libmtp-discuss] MTP Device: Samsung SGH-A707 Phone > To: lib...@li... > Message-ID: > <633...@ma...> > Content-Type: text/plain; charset=ISO-8859-1 > > 2008/2/8, Levander <lev...@mi...>: > > > Does rouge mean the same thing in your country that rogue means in mine? I > > had kind of assumed the rouge spelling was just a typo and that the author > > meant to say rogue. > > Rogue indeed. > > Aehm. We found this INF file relating to the earliest "portable media center" > stuff that Microsoft was pushing out. (It was at Samsungs or Intels site.) At > that time they hadn't even invented the OS descriptors they now use for > device probing. So these are hardcoded to be detected by any Windows > version, I think. > http://en.wikipedia.org/wiki/Portable_Media_Center > > The whole concept was a bit pushy and I always considered it rogue, as in > a way to desperately counter the iPod success, really. So they (MS) > had this idea > that if MP3 players sold good, media players with video etc would be the next > big seller and they start pushing PMC. > > The best thing that came out of it was the MTP protocol. The only other > remains have been recycled back into the Zune OS. > > That's the whole "rogue" thing, none of these devices ever sold much, it was > all a marketing stunt just to show decisiveness and provide some action for > the stock market as I interpreted it. Just a big half-hearted decoy. > > So much in a word. I wonder if our friends at MS like to comment on that... :-) > > Linus > > > > ------------------------------ > > ------------------------------------------------------------------------- > This SF.net email is sponsored by: Microsoft > Defy all challenges. Microsoft(R) Visual Studio 2008. > http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ > > ------------------------------ > > _______________________________________________ > Libmtp-discuss mailing list > Lib...@li... > https://lists.sourceforge.net/lists/listinfo/libmtp-discuss > > > End of Libmtp-discuss Digest, Vol 21, Issue 10 > ********************************************** > |