Hello. I'm a newbie in this list and I have a question about current implementation of lanplus for retry. Our firmware developers including me have faced a issue that target controller occasionally returns 0xc1 response to "Get Chassis Status" command. We found the issue happened when target controller could not respond within 1 second and ipmitool retried sending packet. We checked debugging output of ipmitool and understood the mechanism was below.
- user issued command(netfn=0x00 command=0x01) by ipmitool using lanplus I/F - ipmitool sent command(netfn=0x06 command=0x01) and added it to list with seq#2 (target controller did not respond within 1 second) - ipmitool sent command again and added it to list with seq#2 - target controller sent response for 1st command - ipmitool received it and removed 1st entry(seq#2) - ipmitool sent command(netfn=0x2c command=0x00) and added it to list with seq#3 - target controller sent response for 2nd command(retry) - ipmitool received it and removed 2nd entry(seq#2) - ipmitool sent user command(netfn=0x00 command=0x01) and added it to list with seq#4 - target controller sent response for 3rd command(seq#3) and it had 0xc1 response - ipmitool received it and removed 3rd entry(seq#3) - ipmitool returned this 0xc1 response to user even though it was not for user command(seq#4). I guess ipmitool should remove 1st entry by itself before adding retried command to list. I also checked source code of version 1.8.13 and found "lanplus.c" does not have a code for the purpose but "lan.c" has it. My question is whether current implementation of "lanplus.c" is correct or not. I also know we can avoid this problem by using "-N" option and we will use it for a while. Best Regards, Kazuyuki Funada ------------------------------------------------------------------------------ Put Bad Developers to Shame Dominate Development with Jenkins Continuous Integration Continuously Automate Build, Test & Deployment Start a new project now. Try Jenkins in the cloud. http://p.sf.net/sfu/13600_Cloudbees _______________________________________________ Ipmitool-devel mailing list Ipmitool-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/ipmitool-devel
