Re: memory (mbuf) leak in fxp driver.

[claes@griffel.se]

I am using 15-20 fxp cards on routers that handles both 10 mbit and 100mbit with
OpenBSD 2.7-STABLE custom kernel. And I havent had any memory leak. Can it be a
problem with just that revision of cards?

Regards
Claes

On Wed, 23 May 2001 08:45:32 +0200
 Camiel Dobbelaar <cd@sentia.nl> wrote:
> > * the problem seems to exist in 2.7, 2.8, and 2.9 (beta). I haven't checked
> > -current.
> 
> I don't have problems with 2.7-stable, this (bridge) machine filters a 4Mbit 
> link. 
> 
> pengo:/home/camield $ netstat -m
> 541 mbufs in use:
>         527 mbufs allocated to data
>         13 mbufs allocated to packet headers
>         1 mbuf allocated to socket names and addresses
> 256/450 mapped pages in use
> 967 Kbytes allocated to network (59% in use)
> 0 requests for memory denied
> 0 requests for memory delayed
> 0 calls to protocol drain routines
> 
> pengo:/home/camield $ vmstat -m
> Memory statistics by bucket size
>     Size   In Use   Free   Requests  HighWater  Couldfree
>       16     1646    146   22140416    1280          0
>       32     1117    291   14008431     640          8
>       64     1986    510  147712885     320        523
>      128     2690   7454 1545351716     160   39083583
>      256     3412     92    9568403      80         49
>      512       84     76    7648996      40     202999
>     1024      162     22   22963168      20     303586
>     2048        9      7      27599      10          0
>     4096       29     10      85801       5      80182
>     8192        2      0          2       5          0
>    16384        9      0          9       5          0
>    32768        6      0        322       5          0
>    65536        1      0          1       5          0
>   131072        1      0          1       5          0
> 
> netstat -in output, heavily edited. Counters overflowed.
> Name    Mtu         Ipkts  Ierrs       Opkts Oerrs     Coll 
> fxp0    1500  -1946629836 242864  1506465332     0 21774535
> fxp1    1500   1507653787     27  1628895185     0  5780973
> bridge0 1500   -436448576      0 -1159605186     0        0
> 
> pengo:/home/camield $  uptime
>  8:29AM  up 146 days, 22:24, 1 user, load averages: 1.10, 1.10, 1.08
> 
> 
> Kernel is not GENERIC, but has these changes:
> 
> +option         NMBCLUSTERS=8192
> +option         NKMEMCLUSTERS=8192
> +option         MAX_KMAP=40
> +option         BUFCACHEPERCENT=20
> +
> +option         IPSTATE_MAX=16000
> +option         IPSTATE_SIZE=12289
> 
> -maxusers       32              # estimated number of users
> +maxusers       64              # estimated number of users
> 
> 
> --
> Cam