Hi mono list, We see a lot of segfaults (~10 / day) in our program running on Ubuntu Wheezy. I was hoping that upgrading to mono 4.2 would resolve it, but we're still seeing them.
The stack traces take a few different forms, so it's possible that they're actually separate issues. We mostly see #1 and #4. #2 and #3 have only been seen in isolation, but have more interesting stack traces. These look to me like mono bugs. Are any of these known issues? Is there anything I can do to either work around them and/or assist in debugging them? They're currently causing significant problems in a mission critical piece of software for my client. (email split into pieces as the full version was rejected by the maillist server). Thanks, River > > Stack trace 1 (empty trace): > :Stacktrace: > - > - > :Native stacktrace: > - > Stack trace 2: > -- > :Stacktrace: > - > - at <unknown> <0xffffffff> > - at (wrapper managed-to-native) > object.__icall_wrapper_mono_gc_alloc_vector (intptr,intptr,intptr) <IL > 0x0000f, 0xffffffff> > - at (wrapper alloc) object.AllocVector (intptr,intptr) <IL 0x00088, > 0xffffffff> > - at System.Xml.XmlUtf8RawTextWriter..ctor > (System.IO.Stream,System.Xml.XmlWriterSettings) <IL 0x00039, 0x000cf> > - at System.Xml.XmlWriterSettings.CreateWriter (System.IO.Stream) <IL > 0x00067, 0x00117> > - at System.Xml.XmlWriter.Create > (System.IO.Stream,System.Xml.XmlWriterSettings) <IL 0x0000f, 0x00066> > - at > <snip> rest of stack trace is in our code</snip> > -- > :Native stacktrace: > - > - /usr/bin/mono() [0x49cf0c] > - /lib/x86_64-linux-gnu/libpthread.so.0(+0x10340) [0x7fb9e29e9340] > - /lib/x86_64-linux-gnu/libc.so.6(gsignal+0x39) [0x7fb9e264acc9] > - /lib/x86_64-linux-gnu/libc.so.6(abort+0x148) [0x7fb9e264e0d8] > - /usr/bin/mono() [0x62a329] > - /usr/bin/mono() [0x62a537] > - /usr/bin/mono() [0x62a5e2] > - /usr/bin/mono() [0x5ea7a6] > - /usr/bin/mono() [0x5ecfe0] > - /usr/bin/mono() [0x5f5af2] > - /usr/bin/mono() [0x5f67aa] > - /usr/bin/mono() [0x5ecb03] > - /usr/bin/mono() [0x5dbf76] > - /usr/bin/mono() [0x5e380d] > - /usr/bin/mono() [0x5f99f8] > - /usr/bin/mono() [0x5e5f63] > - /usr/bin/mono() [0x5e805f] > - /usr/bin/mono() [0x5db55d] > - /usr/bin/mono() [0x5ca11e] > --
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