X11: Maximum number of clients reached

[Mildred Ki'Lya]

On 05/26/2009 05:53 PM, Adam Jackson wrote:
> On Sat, 2009-05-23 at 13:53 +0200, Mildred Ki'Lya wrote:
>
>   
>> So, it happened again. There are 234 opened sockets, and the last file
>> descriptor seems to be 255u, so perhaps there is a limit there. Any
>> ideas on how to find the program responsible for that?
>>     
>
> This is a bit awkward since there's no obvious way to get the inode of
> the peer socket.  The best you can do is hope that it was created
> immediately before the corresponding fd in the X server.  So, something
> like this:
>
> ---
> #!/usr/bin/python
>
> from subprocess import Popen, PIPE
>
> client_sockets = []
> match = 0
>
> ns = Popen(["netstat", "-an", "--unix"], stdout=PIPE)
> output = ns.communicate()[0]
> for line in output.split('\n'):
> 	if line.find("X11-unix") != -1:
> 		match = 1
> 	elif match:
> 		match = 0
> 		inode = line.split()[6]
> 		client_sockets.append(inode)
>
> lsof = Popen(["lsof", "-U", "+c0", "-w"], stdout=PIPE)
> output = lsof.communicate()[0]
> for line in output.split('\n'):
> 	try:
> 		inode = line.split()[7]
> 		if inode in client_sockets:
> 			print line
> 	except:
> 		pass
> ---
>
> - ajax
>   

Thanks a lot, I used a similar shell script:

#!/bin/sh

inodes="$(netstat -an --unix | grep X11-unix | sed 's/  */ /g' | sed 's/\[ ACC \]/[ ]/' | cut -d' ' -f7)"

lsof +c0 | head -n 1  

while read line; do
        inode="$(sed 's/  */ /g' <<<"$line" | cut -d' ' -f8)"
        #echo $inode
        if grep "^$inode$" <<< "$inodes" >/dev/null; then
                echo "$line"
        fi
done <<<"$(lsof +c0 -w | tail -n +2)"


I removed the -U option of lsof, with it I couldn't find anything
I found a lot of instances of syndaemon, I think it's the cause.

Mildred

-- 
Mildred Ki'Lya
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