|Summary:||Getting "error MT3001: Could not AOT the assembly" When Building for Device|
|Product:||[Mono] Compilers||Reporter:||Jimmy [MSFT] <jimmy.garrido>|
|Component:||C#||Assignee:||Marek Safar <masafa>|
|Severity:||normal||CC:||chris.house, dylan.kelly, masafa, mono-bugs+monotouch, mono-bugs+mono, sebastien, udhams, vargaz|
|Tags:||Is this bug a regression?:||---|
|Last known good build:|
Comment 2 Sebastien Pouliot 2015-03-19 16:27:51 UTC
@Jimmy an MT3001 error is the AOT compiler crashing while compiling an assembly. From the logs: * Assertion at ../../../../../mono/mono/mini/method-to-ir.c:3321, condition `method->is_inflated && mono_method_get_context (method)->method_inst' not met Minimally we'll need the /Users/Christopher/Documents/Projects/G360/Global 360/ProtocolApp/Main/Ecolab.G360.ProtocolApp.iOS/obj/iPhone/Debug/mtouch-cache/Build/Ecolab.G360.ProtocolApp.Reporting.dll file to reproduce this (and ideally the whole project as there can be dependencies)
Comment 3 Christopher House 2015-03-19 17:13:37 UTC
Sebastien - I provided a repro project to Jimmy that contains the problem assembly. He was meant to attach it to this case as a private attachment. If it's not showing as a private attachment feel free to email me directly and I can provide it to you there. Unfortunately as the code is proprietary, I can't attach it publicly.
Comment 4 Sebastien Pouliot 2015-03-19 17:18:55 UTC
@Christopher thanks! I missed it and only saw the logs (but was there). @Zoltan using the attachment the crash still occurs in cycle 5 Mono Ahead of Time compiler - compiling assembly /Users/poupou/Downloads/Archive-2/ReportingProject.Sample/obj/iPhone/Debug/mtouch-cache/64/Build/Ecolab.G360.ProtocolApp.Reporting.dll * Assertion at ../../../../../mono/mono/mini/method-to-ir.c:3440, condition `method->is_inflated && mono_method_get_context (method)->method_inst' not met
Comment 7 Zoltan Varga 2015-03-20 18:58:15 UTC
This looks like a compiler problem then, would it be possible to extract a test case from the source code ? Its also possible that the problem is already fixed in 4.0.
Comment 8 Sebastien Pouliot 2015-03-30 10:38:09 UTC
@Paola can you update your system mono to 4.0 and see if this is still an issue ? If it's still result in an MT3001 error then please try to create a smaller test case out of the original sample.
Comment 9 Paola Villarreal 2015-03-31 16:02:45 UTC
Confirming bug, this still happens on mono 4.0. Working on test case. ==== Xamarin Studio Version 5.8.2 (build 7) Installation UUID: 226bee58-de6e-4832-9b4c-85cdb95c4472 Runtime: Mono 4.0.0 ((detached/21d849b) GTK+ 2.24.23 (Raleigh theme) Package version: 400000121 Apple Developer Tools Xcode 6.2 (6776) Build 6C131e Xamarin.iOS Version: 126.96.36.199 (Business Edition) Hash: 981acb3 Branch: Build date: 2015-03-25 14:21:05-0400 Xamarin.Android Version: 188.8.131.52 (Business Edition) Android SDK: /Users/paw/Library/Developer/Xamarin/android-sdk-macosx Supported Android versions: 2.1 (API level 7) 2.2 (API level 8) 2.3 (API level 10) 3.1 (API level 12) 4.0.3 (API level 15) 4.4 (API level 19) Java SDK: /usr No Java runtime present, requesting install. Xamarin Android Player Not Installed
Comment 10 Paola Villarreal 2015-04-01 00:15:42 UTC
@Jimmy: Quick workaround: Link all assemblies instead of only SDK assemblies.
Comment 11 Dylan Kelly 2015-04-01 13:05:38 UTC
I can also reproduce this issue on mono 4.0. As Paola said, one temporary workaround is linking all assemblies instead of SDK assemblies only. === Xamarin Studio === Version 5.9 (build 385) Installation UUID: 476d6850-22f1-4443-980f-6137a73b4b1f Runtime: Mono 4.0.0 ((detached/21d849b) GTK+ 2.24.23 (Raleigh theme) Package version: 400000121 === Apple Developer Tools === Xcode 6.2 (6776) Build 6C131e === Xamarin.iOS === Version: 184.108.40.206 (Business Edition) Hash: 3abf86b Branch: master Build date: 2015-04-01 09:55:38-0400 === Xamarin.Android === Version: 220.127.116.11 (Business Edition) Android SDK: /Users/dylankelly/Library/Developer/Xamarin/android-sdk-macosx Supported Android versions: 2.3 (API level 10) 4.0.3 (API level 15) 4.1 (API level 16) 4.2 (API level 17) 4.3 (API level 18) 4.4 (API level 19) 5.0 (API level 21) Java SDK: /usr java version "1.8.0_31" Java(TM) SE Runtime Environment (build 1.8.0_31-b13) Java HotSpot(TM) 64-Bit Server VM (build 25.31-b07, mixed mode) === Xamarin Android Player === Version: Unknown version Location: /Applications/Xamarin Android Player.app === Xamarin.Mac === Version: 18.104.22.168 (Business Edition) === Build Information === Release ID: 509000385 Git revision: 6fde6079a4d2d27b0eecb290698cafa9feda0338 Build date: 2015-03-31 11:09:26-04 Xamarin addins: 1cec366dee6d690e1ef5df30289b08d03c21c8cd === Operating System === Mac OS X 10.10.2
Comment 12 Sebastien Pouliot 2015-04-01 13:16:14 UTC
That just means the culprit/miscompiled code is not used and the linker can eliminate it, i.e. it's not a general workaround.
Comment 13 Sebastien Pouliot 2015-04-01 14:46:44 UTC
@Dylan did you fix the bug ? if so can you add more details (e.g. commit hash)
Comment 14 Dylan Kelly 2015-04-01 14:47:45 UTC
@Sebastien Sorry, too many tabs open, accidentally closed the wrong bug.
Comment 15 Marek Safar 2015-04-03 09:55:36 UTC
Fixed in master/Mono 4.0