From: corbet@lwn.net (Jonathan Corbet)
To: "Mukund JB." <mukundjb@esntechnologies.co.in>
Cc: linux-kernel@vger.kernel.org
Subject: Re: 2.6 partition support driver methods
Date: Thu, 04 Aug 2005 08:39:24 -0600 [thread overview]
Message-ID: <20050804143924.21197.qmail@lwn.net> (raw)
In-Reply-To: Your message of "Thu, 04 Aug 2005 17:35:02 +0530." <C349E772C72290419567CFD84C26E017042497@mail.esn.co.in>
Mukund JB. <mukundjb@esntechnologies.co.in> wrote:
> BUT, when a card is inserted in the socket 3, I am NOT able to mount and
> it says.
> Mount: /dev/tfa12 is not a valid block device
>
> Can you convey me where exactly I am missing or why is it failing?
First step would be to look in /proc/partitions (and the system logfile)
to get an idea of what the kernel thinks is there. When you call
add_disk(), the kernel should emit some messages noting the partitions
that it sees. My guess is a mismatch of minor numbers between your
device nodes and what the kernel sees (it's hard for me to make complete
sense out of your minor number logic), but I could be wrong.
jon
next prev parent reply other threads:[~2005-08-04 14:44 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-08-04 12:05 Mukund JB.
2005-08-04 14:39 ` Jonathan Corbet [this message]
-- strict thread matches above, loose matches on Subject: below --
2005-08-05 5:44 Mukund JB.
2005-08-03 14:23 Mukund JB.
2005-08-03 19:05 ` Jonathan Corbet
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