Hi,
-------------------
------------------------------
|Test
machine|-------------------------------------------------------|Development
Machine|
------------------- RS232 serial cable
------------------------------
Test machine is connected to Development machine using RS232 cable.
Test machine is booted with kernel command line arguments kgdbwait,
kgdboc=ttyS0,115200
Log shows CPI: Invalid PBLK length [7]
Gdb: Waiting for connection from remote gdb
Here is the log of Development machine:
# gdb vmlinux
GNU gdb (GDB) Red Hat Enterprise Linux (7.2-48.el6)
Copyright (C) 2010 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "i686-redhat-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from
/home/rahul/usr/src/kernels/test/ZebOS-linux-2.6.32.5/vmlinux...done.
(gdb) set remotebaud 115200
(gdb) set debug remote 1
(gdb) target remote /dev/ttyS0
Remote debugging using /dev/ttyS0
Sending packet: $qSupported:xmlRegisters=i386;qRelocInsn+#25...Ack
Packet received:
Packet qSupported (supported-packets) is NOT supported
Sending packet: $Hg0#df...Ack
Packet received: OK
Sending packet: $?#3f...Ack
Packet received: S05
Sending packet: $Hc-1#09...Ack
Packet received: OK
Sending packet: $qC#b4...Ack
Packet received: QC0000000000000001
Sending packet: $qAttached#8f...Ack
Packet received:
Packet qAttached (query-attached) is NOT supported
Sending packet: $qOffsets#4b...Ack
Packet received:
Sending packet: $g#67...Ack
Packet received:
36000000559cffff00000000bcc69ac07cff44f788ff44f700000000000000000a8d48c08202000060000000680000007b0000007b000000ffff0000ffff0000
kgdb_breakpoint (new_kgdb_io_ops=0xc09ac6bc) at kernel/kgdb.c:1721
1721 wmb(); /* Sync point after breakpoint */
Sending packet: $qSymbol::#5b...Ack
Packet received:
Packet qSymbol (symbol-lookup) is NOT supported
Sending packet: $qTStatus#49...Ack
Packet received: E22
trace API error 0x2.
(gdb)
Can I get help how to resolve the issue?
--Thanks
Rahul
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