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** [tickets:#171] SVF crashes with 5 CPLDs**
**Status:** new
**Milestone:** 0.9.0
**Created:** Wed Dec 20, 2017 04:04 PM UTC by Maarten Brock
**Last Updated:** Wed Dec 20, 2017 04:04 PM UTC
**Owner:** nobody
**Attachments:**
- [OpenOCD
bugtrace.txt](https://sourceforge.net/p/openocd/tickets/171/attachment/OpenOCD%20bugtrace.txt)
(21.2 kB; text/plain)
OpenOCD crashes when I want to program one of five CPLDs in a JTAG chain. When
I have four or less, it just works.
I have 5 XC9572XL devices on my board in a chain. And I'm using the GPIO on a
Xilinx Zynq through sysfs gpio from linux. I let Xilinx iMPACT generate an SVF
file for programming a single device. OpenOCD does detect all 5 devices but
when it comes to programming it crashes with some error about free() finding an
invalid next size.
When I use an original Xilinx Platform Cable USB II I can program all devices
without a problem.
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