[Mono-list] IOMap profiling crashing (Assertion at mono-io-portability.c:111)

[Daniel Lo Nigro]

Hi all,
I'm trying to use the IOMap reporting utility as documented at
http://www.mono-project.com/IOMap. However, when I try to use it, I get an
error ("Assertion: should not be reached at mono-io-portability.c:111"). I'm
using Ubuntu 11.10 with Mono 2.10.5 installed via the Ubuntu repositories.

Any ideas what would cause this?

Here's the full error message:
====
* Assertion: should not be reached at mono-io-portability.c:111
Native stacktrace:

	mono() [0x4911ea]
	/lib/x86_64-linux-gnu/libpthread.so.0(+0x10060) [0x7f327859d060]
	/lib/x86_64-linux-gnu/libc.so.6(gsignal+0x35) [0x7f32782243a5]
	/lib/x86_64-linux-gnu/libc.so.6(abort+0x17b) [0x7f3278227b0b]
	mono() [0x5c97df]
	mono() [0x5c9906]
	mono() [0x5bf412]
	mono() [0x5212cf]
	mono(mono_image_open_full+0x16a) [0x52170a]
	mono() [0x50961c]
	mono() [0x50b142]
	mono() [0x41bd8b]
	mono(mono_main+0x294) [0x46c024]
	/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xed) [0x7f327820f30d]
	mono() [0x414e49]
====

Thanks.

 - Daniel

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