Re: running net snmp 5.7.3 on arm aarch64, is it ok?

On 9/18/18 11:53 PM, 宋金鑫 wrote:
> I am running our stack on new platform: arm aarch64, I get some strange 
> crashes.
> like:
> #0  0xf6f91fd0 in strcmp () from 
> /repo/HD_R/rootfs/brcm/fs.install/lib/libc.so.6
> #1  0xf7373bac in internal_register_config_handler ()
>     from /repo/HD_R/rootfs/brcm/fs.install/usr/lib/libnetsnmp.so.30
> #2  0xf7373d74 in register_const_config_handler.localalias ()
>     from /repo/HD_R/rootfs/brcm/fs.install/usr/lib/libnetsnmp.so.30
> #3  0xf738145c in netsnmp_ds_register_config () from 
> /repoHD_R/rootfs/brcm/fs.install/usr/lib/libnetsnmp.so.30
> #4  0xf7402904 in init_agent_read_config ()
>     from /repo/HD_R/rootfs/brcm/fs.install/usr/lib/libnetsnmpagent.so.30
> #5  0xf740f118 in init_agent () from 
> /repo/HD_R/rootfs/brcm/fs.install/usr/lib/libnetsnmpagent.so.30
> 
> the same code is ok on mips 32 bits platform.
> 
> do we support 64 bit system?

64-bit Linux is definitely supported. Does Valgrind support aarch64? If 
so, can you repeat the test that produced the above call stack under 
Valgrind and see whether that produces more detailed information about 
the root cause? Analyzing snmpd with Valgrind is possible e.g. as follows:

valgrind --trace-children=yes 
--trace-children-skip=/usr/bin/env,/bin/sed,/bin/ls,/bin/sh,/bin/bash,/usr/bin/sed,/usr/bin/ls,/usr/bin/perl 
--track-origins=no --gen-suppressions=all snmpd ${snmpd_options}

Bart.


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