- **status**: unassigned --> accepted
- **assigned_to**: Vu Minh Nguyen
---
** [tickets:#2546] log: debug assertion failed in log agent during scale-in**
**Status:** accepted
**Milestone:** 5.17.10
**Created:** Tue Aug 08, 2017 07:56 AM UTC by Vu Minh Nguyen
**Last Updated:** Tue Aug 08, 2017 07:56 AM UTC
**Owner:** Vu Minh Nguyen
During scaling in, LOG application got coredump due to assertion failed in log
agent:
> 000000000000320e <LogClient::RestoreRefCounter(RefCounterDegree, bool)+0x18e>:
> _ZN9LogClient17RestoreRefCounterE16RefCounterDegreeb():
> /src/log/agent/lga_client.cc:139 (discriminator 1)
> 320e: 48 8d 0d 8b a7 00 00 lea 0xa78b(%rip),%rcx # d9a0
> <LogClient::RestoreRefCounter(RefCounterDegree, bool)::__PRETTY_FUNCTION__>
Above disassembly points to this code line `assert(ref_counter_ >= -1);`
:::C++
void LogClient::RestoreRefCounter(RefCounterDegree value, bool updated) {
TRACE_ENTER();
if (updated == false) return;
ScopeLock scopeLock(ref_counter_mutex_);
ref_counter_ -= value;
TRACE("%s: value = %d", __func__, ref_counter_);
// Don't expect the @ref_counter_ is less than (-1)
assert(ref_counter_ >= -1);
}
---
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