ElfCoreDumpTest.ValidCoreFile fails on newer kernels

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we're seeing with linux-3.11 the ElfCoreDumpTest.ValidCoreFile test fails every 
time in Chromium OS.  i also tested in Gentoo on linux-3.14.  last kernel ver 
we happened to have tested and worked was linux-3.2.

$ src/common/dumper_unittest --gtest_filter=ElfCoreDumpTest.ValidCoreFile
Running main() from gtest_main.cc
Note: Google Test filter = ElfCoreDumpTest.ValidCoreFile
[==========] Running 1 test from 1 test case.
[----------] Global test environment set-up.
[----------] 1 test from ElfCoreDumpTest
[ RUN      ] ElfCoreDumpTest.ValidCoreFile
src/common/linux/elf_core_dump_unittest.cc:244: Failure
Value of: num_nt_fpregset
  Actual: 2
Expected: kNumOfThreads
Which is: 3
[  FAILED  ] ElfCoreDumpTest.ValidCoreFile (4 ms)
[----------] 1 test from ElfCoreDumpTest (4 ms total)

[----------] Global test environment tear-down
[==========] 1 test from 1 test case ran. (4 ms total)
[  PASSED  ] 0 tests.
[  FAILED  ] 1 test, listed below:
[  FAILED  ] ElfCoreDumpTest.ValidCoreFile

 1 FAILED TEST

Original issue reported on code.google.com by vapier@chromium.org on 2 Apr 2014 at 2:28

[GoogleCodeExporter]

Original comment by vapier@chromium.org on 2 Apr 2014 at 2:28

[GoogleCodeExporter]

few more details

this is x86_64 or x86 arch

3.6: OK
3.9: OK
3.10: fails to boot :(
3.11: FAIL
3.12: FAIL
3.13: FAIL
3.14: FAIL

Original comment by vapier@chromium.org on 2 Apr 2014 at 3:07

[GoogleCodeExporter]

fixed in svn r1303

Original comment by benc...@chromium.org on 3 Apr 2014 at 4:57

• Changed state: Fixed
• Added labels: CPU-x86, OpSys-Linux, Type-Defect