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Re: open-isns porting question: sudden SIGLOST

From: Christian Seiler
Subject: Re: open-isns porting question: sudden SIGLOST
Date: Wed, 27 Jul 2016 23:38:06 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Icedove/45.1.0

On 07/27/2016 07:25 PM, Svante Signell wrote:
> (Adding bug-hurd to the Cc: list, not all developers follows the
> debian-hurd list)
> On Wed, 2016-07-27 at 18:15 +0200, Christian Seiler wrote:
>> Oh, I should mention that every time you run isnsadm the server
>> (isnsd) crashes with SIGLOST, so you need to restart it between
>> tries.
>> Or you can run it in foreground on another shell under e.g. gdb or
>> rpctrace. (--foreground)
> I found that out, thanks!
>> Any ideas where to set breakpoints in gdb?
>>> isns_net_stream_xmit
>>> isns_net_recvmsg
>>> (stream_xmit for sending, recvmsg for receiving.)
>>> Thanks for looking into this!
> Using rpctrace I get the same output as you. It seems like the
> SCM_CREDS support is failing somewhere. Or the implementation differs
> from the kFreeBSD version.

Funnily enough, I tried to create a very simple test case that
does the same thing as open-isns - and there SCM_CREDS does
work on Hurd.

(FTR: <http://paste.debian.net/785673/>, code is more or less
identical to the code in open-isns when it comes to sendmsg and
recvmsg, but it works...)


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