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Bug #8385
closedRBD / QEMU Crash: Invalid fastbin entry (free)
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Community (user)
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Regression:
Severity:
2 - major
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Affected Versions:
ceph-qa-suite:
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Crash signature (v2):
Description
After the fix for Issue #6480, RBD and Qemu have been much more stable on our workload. With 0.67.8 we just saw another similar crash. Josh mentioned at the time he thought he fixed most, but not all of the potential issues. It seems that there is at least one verified bug remaining.
- Error in `qemu-system-x86_64': invalid fastbin entry (free): 0x00007f6670027f90 ***
======= Backtrace: =========
/lib/x86_64-linux-gnu/libc.so.6(+0x80a46)[0x7f696fc5aa46]
/usr/lib/librbd.so.1(_ZNSt10_List_baseIN4ceph6buffer3ptrESaIS2_EE8_M_clearEv+0x27)[0x7f6975c5c6b7]
/usr/lib/librados.so.2(_ZN4Pipe6writerEv+0xb1f)[0x7f69750b1fdf]
/usr/lib/librados.so.2(_ZN4Pipe6Writer5entryEv+0xd)[0x7f69750bcccd]
/lib/x86_64-linux-gnu/libpthread.so.0(+0x7f8e)[0x7f696ffaaf8e]
/lib/x86_64-linux-gnu/libc.so.6(clone+0x6d)[0x7f696fcd4a0d] ======= Memory map: ========
Unfortunately, I do not have a coredump this time. I'll set up our hosts to produce coredumps in the future.
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