Messages in this thread | | | Date | Mon, 28 Apr 2014 17:46:48 +0200 | From | Hannes Frederic Sowa <> | Subject | Re: Unix-domain sockets hanging on 3.14.x (was Re: possible 3.14.1 lockd problem (?) causing nfsd hangs) |
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On Mon, Apr 28, 2014 at 04:35:38PM +0100, Nix wrote: > /proc/$pid/stack of the two communicating ssh daemons was instructive: > > [<ffffffff814e3512>] unix_wait_for_peer+0x9f/0xbc > [<ffffffff814e5d48>] unix_dgram_sendmsg+0x41b/0x534
This one is a dgram socket...
> [<ffffffff8146618f>] sock_sendmsg+0x84/0x9e > [<ffffffff81467f3d>] SyS_sendto+0x10e/0x13f > [<ffffffff815770e2>] system_call_fastpath+0x16/0x1b > [<ffffffffffffffff>] 0xffffffffffffffff > spindle:/var/log.real/by-facility# cat /proc/5941/stack > [<ffffffff814e493a>] unix_stream_recvmsg+0x289/0x6d5
...and that's a stream receiver.
> [<ffffffff814673e0>] sock_aio_read.part.12+0xf0/0xff > [<ffffffff8146740b>] sock_aio_read+0x1c/0x28 > [<ffffffff811388fd>] do_sync_read+0x59/0x78 > [<ffffffff81138d8b>] vfs_read+0xa2/0x13f > [<ffffffff81139699>] SyS_read+0x47/0x8b > [<ffffffff81577259>] tracesys+0xd0/0xd5 > [<ffffffffffffffff>] 0xffffffffffffffff
Are you sure those are the communicating tasks?
Bye,
Hannes
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