Re: dhclient can't limit bpf descriptor?

2013-12-15 Thread Pawel Jakub Dawidek
On Sat, Dec 14, 2013 at 12:12:23PM -0800, Tim Kientzle wrote:
 Opened up an old VM from a month or so ago (r257910) and dhclient won’t start.
 
 Specifically, dhclient complains (when run by root):
  “can’t limit bpf descriptor: Bad address”
 and then immediately exits.
 
 What does this mean?   I don’t know anything about the capabilities
 framework and certainly haven’t configured it in any way.

Maybe your userland and kernel are out of sync? There was
backward-incompatible change in Capsicum that could result in error like
that (capability rights are now passed as a pointer to a structure and
not uint64_t bitfield).

-- 
Pawel Jakub Dawidek   http://www.wheelsystems.com
FreeBSD committer http://www.FreeBSD.org
Am I Evil? Yes, I Am! http://mobter.com


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Re: dhclient can't limit bpf descriptor?

2013-12-14 Thread Darren Pilgrim

On 12/14/2013 12:12 PM, Tim Kientzle wrote:

Opened up an old VM from a month or so ago (r257910) and dhclient won’t start.

Specifically, dhclient complains (when run by root):
  “can’t limit bpf descriptor: Bad address”
and then immediately exits.


Are you running a custom kernel without the Capsicum options?


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Re: dhclient can't limit bpf descriptor?

2013-12-14 Thread Tim Kientzle

On Dec 14, 2013, at 3:16 PM, Darren Pilgrim list_free...@bluerosetech.com 
wrote:

 On 12/14/2013 12:12 PM, Tim Kientzle wrote:
 Opened up an old VM from a month or so ago (r257910) and dhclient won’t 
 start.
 
 Specifically, dhclient complains (when run by root):
  “can’t limit bpf descriptor: Bad address”
 and then immediately exits.
 
 Are you running a custom kernel without the Capsicum options?

Nope, it’s an unmodified GENERIC kernel.

Tim

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