New standard proposal

Carlos Perelló Marín carlos at
Sat Sep 27 13:59:26 EEST 2003

El sáb, 27-09-2003 a las 06:58, Derek Foreman escribió:


> > > Which ioctl?  I'd like to see how my drive reacts to it.
> > 
> > Just look at this:
> > 
> >
> Thanks
> Unfortunately, it doesn't work on my machine (linux kernel 2.6.0-test5).  

I did only test it with Linux 2.4, of course it should work with Linux
2.6 and any other Unix (*BSD).

> AFAICT, the command was introduced in MMC2, yet two of my 4 drives don't 
> support it at all.  (so you'll need a different detection method for a 
> lot of drives)

Does magicdev or autorun work with those drives?

> The other two drives accept the command, but the command's buffer comes 
> back still full of 0s.  This appears to be a kernel bug, since sending the 
> same command with SG_IO behaves as expected.  I've reported this on the 
> linux kernel mailing list.

I'm developing the poll method as Linux Kernel hackers told me that I
should do it so I hope it will work always, just give me more time to
improve it :-)


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Carlos Perelló Marín
Debian GNU/Linux Sid (PowerPC)
Linux Registered User #121232
mailto:carlos at || mailto:carlos at
Valencia - Spain
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