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From: Jay Nitikman <jay@permeable.com>
To: linux-ppp@vger.kernel.org
Subject: Re: ioctl(ppp_dev_fd, PPPIOCSCOMPRESS, (caddr_t) &data) fails
Date: Sun, 13 Nov 2005 23:51:08 +0000	[thread overview]
Message-ID: <4377D16C.8000500@permeable.com> (raw)
In-Reply-To: <43762E6B.5020108@permeable.com>

Okay, I have more information.  My boot log does not show the following 
line:

PPP MPPE Compression module registered

Which seems to be required in order for MPPE to be valid.  I have no 
idea what would prevent the compiled-in MPPE module from registering.

Any ideas would be helpful.

Jay

Jay Nitikman wrote:
> My working vpn connection stopped working "suddenly". I did some testing 
> and discovered that the call:
> 
> ioctl(ppp_dev_fd, PPPIOCSCOMPRESS, (caddr_t) &data)
> 
> in ccp_test() in sys-linux.c in pppd always returns EINVAL.
> 
> My kernel, 2.6.10-gentoo-r6, has MPPE compiled in, not as a module.
> The ppp_dev_fd has a value of "22" which seems reasonable.  So it 
> appears that PPPIOCSCOMPRESS is invalid.  Huh?
> 
> I am using Gentoo ppp-2.4.3-r9.
> 
> This has been working fine for months.  I have tried rebooting, both 
> cold and warm.  I've tried rebuilding ppp-2.4.3-r9.  I've tried 
> ppp-2.4.2-r15.  My vpn provider says that nothing has changed on their 
> side.
> 
> Any ideas why that ioctl should fail and how to fix it?
> 

-- 
-----------------
Jay Nitikman
jay@permeable.com
-----------------

  reply	other threads:[~2005-11-13 23:51 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-11-12 18:03 ioctl(ppp_dev_fd, PPPIOCSCOMPRESS, (caddr_t) &data) fails Jay Nitikman
2005-11-13 23:51 ` Jay Nitikman [this message]
2005-11-14  0:10 ` James Cameron
2005-11-14 13:20 ` Jay Nitikman

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