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Troubleshooting the Switch System Troubleshooting IPC on OS-6/7/8XXX Series of Switches
OmniSwitch Troubleshooting Guide September 2005 page 1-35
Socket ID = 0x100, dest slot = 5, remote addr = 0x5400042, ipc status = S
Task ID = 0x7571700, PayLoad Len= 812, ipc priority = 0x1, data ptr = 0x6cfe3
a0
next = 0x739b810, pFreeQ = 0x74fb4e0, data_offset = 0, free_list_num = 6
Socket ID = 0x100, dest slot = 65, remote addr = 0x8440041, ipc status = S
Task ID = 0x7571700, PayLoad Len= 812, ipc priority = 0x1, data ptr = 0x6cfeb
a0
next = 0x7396da4, pFreeQ = 0x74fb4e0, data_offset = 0, free_list_num = 6
Socket ID = 0x2, dest slot = 65, remote addr = 0x11b0001, ipc status = G
Task ID = 0x5514c80, PayLoad Len= 20, ipc priority = 0x1, data ptr = 0x6cffba
0
next = 0x73a1cac, pFreeQ = 0x74fb4e0, data_offset = 0, free_list_num = 6
3 Obtain the task ID with the ipc_socket_info command. Use the most-repeated socket ID discovered in
Step 2.
Certified: [Kernel]->ipc_socket_info 0x100
ipc_socket_info
Socket 100:
LocalSocketID = 0x100, localidx = 0x100, Local_address = 0x5450041
RemoteSocketID = 0x0, Remote_Address = 0x0
QnumBufs = 128, NumBufs = 193, seqSent = 0, seqRecv = 0
USRnumBufs = -65, State = 0x2, OptionFlgs = 0x0, priority = 1
blk_timeout = 0, LingerTime = 0, RxQ_Full_Threshold = 65536,
RxQ_Numbuf_Threshold = 128
congestion = 0, SockMask = 0x200, SockMsbs = 0x5, use_sw_buf = 0
remote_cong = 0, init_done = 0, sem_use = 0, alignmentSpace = 0
Task id = 0x4e105c0 (WebView), LastTimeStamp = 1063601688
recvErrs = 0, txCnt = 0, txErr = 0, eagainCnt = 0
xoffsent = 0, xonsent = 0, xoffrecv = 0, xonrecv = 0, congcount = 0
value = 68 = 0x44 = 'D'
4 Dump the task ID discovered in Step 3 with the tt command as shown below:
Certified: [Kernel]->tt 0x4e105c0
Run this command 3–4 times.
On the primary switch in the stack you can execute the debugDisplayRcvDesc Dshell command to see the
near-end of IPC health as shown below:
->dshell
Certified: [Kernel]-> debugDisplayRcvDesc