From: "Clemens Ladisch" <cladisch@fastmail.net>
To: "Pharaoh ." <pharaoh137@gmail.com>
Cc: alsa-devel@alsa-project.org
Subject: Re: pcm->private_data is NULL in alsa core!!
Date: Tue, 19 Jun 2007 16:29:38 +0200 [thread overview]
Message-ID: <1182263378.1273.1195944481@webmail.messagingengine.com> (raw)
In-Reply-To: <61445c750706190430i7d8f37b3g95326d7aee6c5056@mail.gmail.com>
Pharaoh . wrote:
> in register codec 4 pvt data is c3d81180
> Registering the sound card
> in register codec 5 pvt data is c3998f20
>
> i.e. after registering the sound card the value changes/gets
> corrupted, and c3998f20
> is not the value I get everytime, so I am thinking it is corrrupted somehow.
I'd guess the memory gets overwritten.
> But back in probe, after above function are executed, i.e. after
> register codec is over, I get the correct value for
> eac->pcm->private_data i.e. c3d81180, but by now the value of
> pcm->private_data is corrupted!
This implies that eac->pcm != pcm.
It seems quite a lot of memory gets corrupted.
Try to check which one of the various "eac" and "pcm" pointers changes
its value.
HTH
Clemens
next prev parent reply other threads:[~2007-06-19 14:29 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-16 12:50 pcm->private_data is NULL in alsa core!! Pharaoh .
2007-06-17 15:45 ` Pharaoh .
2007-06-18 7:37 ` Clemens Ladisch
2007-06-18 11:56 ` Pharaoh .
2007-06-18 11:58 ` Pharaoh .
2007-06-19 11:10 ` Clemens Ladisch
2007-06-19 11:30 ` Pharaoh .
2007-06-19 12:17 ` Pharaoh .
2007-06-19 14:29 ` Clemens Ladisch [this message]
2007-06-20 10:18 ` Pharaoh .
2007-06-20 11:12 ` Pharaoh .
2007-06-20 11:16 ` Pharaoh .
2007-06-20 16:13 ` Clemens Ladisch
2007-06-20 16:29 ` Pharaoh .
2007-06-22 20:03 ` Pharaoh .
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