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Crossgen outerloop regression: More file hash sum mismatches in crossgen comparison on windows x86 #108254

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@kg

For an example, see
https://helixre107v0xdcypoyl9e7f.blob.core.windows.net/dotnet-runtime-refs-pull-106099-merge-a6e4dcf0229c4bcab8/WorkItem/1/console.a3844a7c.log?helixlogtype=result

Around 7/18 the number of mismatches was consistently 5, and then it increased to 16 on 7/20. It is now typically 16, but occasionally 1.

Comparing crossgen results in "C:\h\w\BA8109CC\w\B3CA0A37\u\prebuiltWork\log" and "C:\h\w\BA8109CC\w\B3CA0A37\uploads" directories for files of type "NativeOrReadyToRunImage":
File hash sum mismatch for "System.CodeDom" assembly for files of type "NativeOrReadyToRunImage":
 - "C:\h\w\BA8109CC\w\B3CA0A37\u\prebuiltWork\log" has "534c767df251b61f748d5edc95a6f2521789d37756d17760880d97958785ef35"
 - "C:\h\w\BA8109CC\w\B3CA0A37\uploads" has "82d99ea054525cfcafa8aafe253abbdbc5d70a991b2ed50b3ad6009db56b1cf3"
File hash sum mismatch for "System.Collections.Concurrent" assembly for files of type "NativeOrReadyToRunImage":
 - "C:\h\w\BA8109CC\w\B3CA0A37\u\prebuiltWork\log" has "fd70b09a79b447d3fe1410d282e425eef2ed3a0facbb751000adc1021430dc3c"
 - "C:\h\w\BA8109CC\w\B3CA0A37\uploads" has "b3b22b4c52e6e728e98d0ade55f5e53bb8549e2ebdcd8285c6929aa86a54e601"
File hash sum mismatch for "System.Collections.Immutable" assembly for files of type "NativeOrReadyToRunImage":
 - "C:\h\w\BA8109CC\w\B3CA0A37\u\prebuiltWork\log" has "84b77be16368b75068b45f2fb2518fa453cff6409540dbbc07cc0308dd250c61"
 - "C:\h\w\BA8109CC\w\B3CA0A37\uploads" has "b50745841b28bfc32d3a124442a041eadce2537b8ac4587e410d301b3940ef55"
File hash sum mismatch for "System.Data.Common" assembly for files of type "NativeOrReadyToRunImage":
 - "C:\h\w\BA8109CC\w\B3CA0A37\u\prebuiltWork\log" has "e33552ae5488bd09f362e1e2aedcc25f379f54c788de588066a947cfae1d8706"
 - "C:\h\w\BA8109CC\w\B3CA0A37\uploads" has "15bee2afbcd6069bd06afdb2d9c1040f34fff61a72fc93d3901670509c6846e7"
File hash sum mismatch for "System.Data.OleDb" assembly for files of type "NativeOrReadyToRunImage":
 - "C:\h\w\BA8109CC\w\B3CA0A37\u\prebuiltWork\log" has "ee218a420e4089862f9eaabf682ccfe256114dcdd03e97ac2144c003f6cf6fcb"
 - "C:\h\w\BA8109CC\w\B3CA0A37\uploads" has "0b0cd5cbce4c59d679f61dc8d2f8204fca77dc56d6bc20bf936366b2784de5ea"
File hash sum mismatch for "System.DirectoryServices.Protocols" assembly for files of type "NativeOrReadyToRunImage":
 - "C:\h\w\BA8109CC\w\B3CA0A37\u\prebuiltWork\log" has "31bc33f92732e0b5541bc4cc91440a2359b6211126ede11a79cfd439c6edb541"
 - "C:\h\w\BA8109CC\w\B3CA0A37\uploads" has "712e7248efb69dd386a4fadfc8ef4cad9a72b76c9b55ca708a3633603d5cbe62"
File hash sum mismatch for "System.Linq" assembly for files of type "NativeOrReadyToRunImage":
 - "C:\h\w\BA8109CC\w\B3CA0A37\u\prebuiltWork\log" has "5e0ba6f01e324a3a4ce2bde1bb74c12230a9b1026c467e04f03b63945bac446e"
 - "C:\h\w\BA8109CC\w\B3CA0A37\uploads" has "c01d1de3a93ac09169f2bab6c1a7a891a8b1ff2b573d2adfefee42a0a77a6d45"
File hash sum mismatch for "System.Net.Http" assembly for files of type "NativeOrReadyToRunImage":
 - "C:\h\w\BA8109CC\w\B3CA0A37\u\prebuiltWork\log" has "82064b0176d2698115a018b00978c30c4b77d97ea168670913ef0687a6d6a2f9"
 - "C:\h\w\BA8109CC\w\B3CA0A37\uploads" has "77f2178adcc3badd97c496c5333c94ca6dd7ac94361da01f7a18859240af4e82"
File hash sum mismatch for "System.Numerics.Tensors" assembly for files of type "NativeOrReadyToRunImage":
 - "C:\h\w\BA8109CC\w\B3CA0A37\u\prebuiltWork\log" has "7e09fe865750951c4ce45de07a5aa7d6368e708248dae52b4cd241caef4bd973"
 - "C:\h\w\BA8109CC\w\B3CA0A37\uploads" has "f52c67ea4a34e7f4171a7ea057778dc04bea29c5259a206ad3233e0c1c107af6"
File hash sum mismatch for "System.Private.CoreLib" assembly for files of type "NativeOrReadyToRunImage":
 - "C:\h\w\BA8109CC\w\B3CA0A37\u\prebuiltWork\log" has "7599df75b297c0ffa90e722449291c2fd172254e60200982a5f4fa36f11ac553"
 - "C:\h\w\BA8109CC\w\B3CA0A37\uploads" has "6add53633330ad782aac4189780cb9a84bd3b1a76521ca774d376cb4279dd622"
File hash sum mismatch for "System.Private.DataContractSerialization" assembly for files of type "NativeOrReadyToRunImage":
 - "C:\h\w\BA8109CC\w\B3CA0A37\u\prebuiltWork\log" has "75b3b5280e177accb1ab77b8d88f4c3e9176cda3e74d039cac4ba5fa8b739053"
 - "C:\h\w\BA8109CC\w\B3CA0A37\uploads" has "508464ba8d17b0a8b526992db101fdce93fcc2f18244222ffbe303a0fe18bea3"
File hash sum mismatch for "System.Private.Xml" assembly for files of type "NativeOrReadyToRunImage":
 - "C:\h\w\BA8109CC\w\B3CA0A37\u\prebuiltWork\log" has "4e10d4615819c3ceb6d94cec58e76f382c8ce3d384d866ac567258ca72bc7d3c"
 - "C:\h\w\BA8109CC\w\B3CA0A37\uploads" has "c48b2d2bca45faed50b753657f0ab4cde1507a539a15de90070e262d5c85f42d"
File hash sum mismatch for "System.Reflection.Emit" assembly for files of type "NativeOrReadyToRunImage":
 - "C:\h\w\BA8109CC\w\B3CA0A37\u\prebuiltWork\log" has "8f5c9c936a5d1c162b903117cadd94024c93e9d0565caba04660f606addc559f"
 - "C:\h\w\BA8109CC\w\B3CA0A37\uploads" has "0ad686d401f04d523e715b73b9d0370c84c0693ae71148e21f5ce54bafec3042"
File hash sum mismatch for "System.Runtime.Caching" assembly for files of type "NativeOrReadyToRunImage":
 - "C:\h\w\BA8109CC\w\B3CA0A37\u\prebuiltWork\log" has "2cdc8b6923bfff5169cb9523971e0776517acda8750a0a00248f3b971c5844ef"
 - "C:\h\w\BA8109CC\w\B3CA0A37\uploads" has "10f055abcbe8049304b9515233295cee4fdd9b03f55fa7e49ea6ca74bf62fd5c"
File hash sum mismatch for "System.Security.Cryptography.Pkcs" assembly for files of type "NativeOrReadyToRunImage":
 - "C:\h\w\BA8109CC\w\B3CA0A37\u\prebuiltWork\log" has "9c76d1a60315224d46fbc735f34772d42f93588b730e82094780163e754ce151"
 - "C:\h\w\BA8109CC\w\B3CA0A37\uploads" has "2beee29471de1ebb9e8eec161e82ed8c07003ea466763bd8c49c0ad2ba9d4496"
File hash sum mismatch for "System.Text.RegularExpressions" assembly for files of type "NativeOrReadyToRunImage":
 - "C:\h\w\BA8109CC\w\B3CA0A37\u\prebuiltWork\log" has "1b0d1595afd2b807b665dc687629280167a6e0bcbc5445da5f405fe86e44332b"
 - "C:\h\w\BA8109CC\w\B3CA0A37\uploads" has "a3de4b878a17908df68110f815e7819f6eec8bf23d525e81ac3863bf9927f9f7"
Number of omitted results: 0
Number of mismatched results: 16

Activity

  1. added this to the 10.0.0 milestone on Sep 27, 2024
  2. removed
    untriagedNew issue has not been triaged by the area owner
    on Sep 27, 2024
  3. kg commented on Jul 25, 2025

    @kg
    ContributorAuthor

    Is this related to the issue you were looking at @max-charlamb?

  4. max-charlamb commented on Jul 25, 2025

    @max-charlamb
    Member

    Yes very possibly. Let me verify the dates like up.

  5. max-charlamb commented on Jul 25, 2025

    @max-charlamb
    Member

    #117945 fixed two occurrences of the same issue. One was introduced a few months ago. The other 4 years ago. I think it is plausible that PR fixed this issue as well.

  6. max-charlamb commented on Jul 28, 2025

    @max-charlamb
    Member

    Closing as fixed by #117945

    I haven't seen a failure in the windows x86 comparison run since merged

  7. locked and limited conversation to collaborators on Aug 28, 2025
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