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authorChristian Krinitsin <mail@krinitsin.com>2025-06-01 21:35:14 +0200
committerChristian Krinitsin <mail@krinitsin.com>2025-06-01 21:35:14 +0200
commit3e4c5a6261770bced301b5e74233e7866166ea5b (patch)
tree9379fddaba693ef8a045da06efee8529baa5f6f4 /gitlab/issues_text/target_m68k/host_missing/accel_missing/957
parente5634e2806195bee44407853c4bf8776f7abfa4f (diff)
downloadqemu-analysis-3e4c5a6261770bced301b5e74233e7866166ea5b.tar.gz
qemu-analysis-3e4c5a6261770bced301b5e74233e7866166ea5b.zip
clean up repository
Diffstat (limited to 'gitlab/issues_text/target_m68k/host_missing/accel_missing/957')
-rw-r--r--gitlab/issues_text/target_m68k/host_missing/accel_missing/95771
1 files changed, 0 insertions, 71 deletions
diff --git a/gitlab/issues_text/target_m68k/host_missing/accel_missing/957 b/gitlab/issues_text/target_m68k/host_missing/accel_missing/957
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index 3f0733cf4..000000000
--- a/gitlab/issues_text/target_m68k/host_missing/accel_missing/957
+++ /dev/null
@@ -1,71 +0,0 @@
-qemu-m68k: python runtime failures, "The futex facility returned an unexpected error code."
-Description of problem:
-The python interpreter (both Python 3.9 and Python 3.10) crashes during a rebuild of Python itself (fairly reproducible but not always at the same point of the build; using MAKEOPTS=-j1 or running under high system load decreases the probability, as does using the qemu -systrace switch). The output is
-```
-The futex facility returned an unexpected error code.
-```
-
-Digging into glibc sources, this error together with an abort occurs when the return value of a futex call is not in a short list of allowed values, see ``nptl/futex-internal.c`` and ``sysdeps/nptl/futex-internal.h``.
-
-Running qemu with QEMU_STRACE=1 decreases the probability of the error greatly, but after some attempts I was able to get a log. Several threads seem to write at the same time, leading to rather garbled output, but my interpretation is an error value of "Invalid argument".
-
-
-```
-116876 get_thread_area(0x00000001) = 989882672
-116876 116876 get_thread_area(0x00000001)get_thread_area(0x00000018) = 989882672
- = 1065219744
-116876 get_thread_area(0x00000000) = 1065219744
-116876 futex(0x3f5003fa,FUTEX_PRIVATE_FLAG|FUTEX_WAIT116876 ,2,116876 NULL,0x3fffda10,get_thread_area(0xffffffff) = 1065219744
-futex(0x3f5003fa,1073732112)FUTEX_PRIVATE_FLAG|FUTEX_WAIT = ,2,NULL,-1 errno=22 (Invalid argument)116876 get_thread_area(0x00000000)
- = 1065219744
-0x3fffda10,116876 get_thread_area(0x00000000)1073732112 = )1065219744
-116876 futex(0x3f7d4c34,FUTEX_PRIVATE_FLAG|FUTEX_WAKE,1,NULL,NULL, = 0)-1 errno=22 (Invalid argument)
- = 0
- = 116876 get_thread_area(0x3f7d4c34)1 = 
-116876 get_thread_area(0x00000000) = 1065219744
-926968112
-116876 get_thread_area(0x00000016) = 926968112
-116876 get_thread_area(0x00000000) = 1065219744
-116876 get_thread_area(0x00000000) = 1065219744
-116876 get_thread_area(0x00000001)116876  = futex(116876 0x3f5003fa,get_thread_area(0x00000000)FUTEX_PRIVATE_FLAG| = 926968112
-116876 get_thread_area(0x00000000) = 926968112FUTEX_WAKE
-,1,116876 NULL,0x3fffda10,get_thread_area(0x00000000) = 926968112
-1065219744
-116876 get_thread_area(0x00000001)116876  = 1065219744
-1073732112) = 116876 -1 errno=22 (Invalid argument)
-futex(0x3ba005fc,FUTEX_PRIVATE_FLAG|FUTEX_CLOCK_REALTIME|FUTEX_WAIT_BITSET,0,NULL,NULL,get_thread_area(0x00000000)0 = 926968112)
-116876 get_thread_area(0x00000000) = 926968112
-116876 futex(0x3f7d4c38,FUTEX_PRIVATE_FLAG|FUTEX_WAKE,1,NULL,0x40007bf8,1073773560) = 0
-116876 futex(0x40053a8c,FUTEX_PRIVATE_FLAG|FUTEX_WAKE,1,NULL,NULL,0) = 1
- = 0
-116876 get_thread_area(0x40053a8c) = 885025072
-116876 get_thread_area(0x00000001) = 885025072
-116876 get_thread_area(0x00b4b456) = 885025072
-116876 get_thread_area(0x00000000) = 885025072
-116876 get_thread_area(0x00000000) = 885025072
-116876 Unknown syscall 403
-116876 get_thread_area(0x00000000) = 885025072
-116876 get_thread_area(0x00003baa) = 885025072
-116876 get_thread_area(0x00003b01) = 885025072
-116876 get_thread_area(0x00003b01) = 885025072
-116876 116876 futex(get_thread_area(0x00b4b456)0x3f7d4c30,FUTEX_PRIVATE_FLAG|FUTEX_WAIT_BITSET,0,0x34bfe62c,NULL,0) = 926968112
-116876 get_thread_area(0x00000018) = 926968112
-116876 get_thread_area(0x3ed5b9c8) = 926968112
-116876 get_thread_area(0x00000000) = 926968112
-116876 get_thread_area(0x00000000) = 926968112
-116876 get_thread_area(0x00000000) = 926968112
-116876 get_thread_area(0x00000000) = 926968112
-116876 get_thread_area(0x00000000) = 926968112
-116876 futex(0x3f7d4c30,FUTEX_PRIVATE_FLAG|FUTEX_WAKE,1,NULL,NULL,0) = 1
-116876 get_thread_area(0x00000000) = 926968112
-116876 get_thread_area(0x00000001) = 926968112
-116876 get_thread_area(0x0000000f) = 926968112116876  = 0
-
-116876 get_thread_area(0x00000001) = 926968112
-116876 get_thread_area(0x00000001) = 926968112
-116876 get_thread_area(0x00000001)writev(2,0x3affed88,0x1) = 926968112
-The futex facility returned an unexpected error code.
-116876 get_thread_area(0x3f7d4c30) = 885025072
-```
-
-Advice on how to do further debuggging is appreciated.