ChenChuang commented on issue #1428:
URL: https://github.com/apache/incubator-brpc/issues/1428#issuecomment-858293322
另外，我们在典型堆栈 [1] frame 4 观察到：
(gdb) frame 4
#4 bthread::butex_wait (arg=0x7f84d508e230,
expected_value=expected_value@entry=0, abstime=abstime@entry=0x0) at
src/bthread/butex.cpp:622
(gdb) p *g->_cur_meta
$6 = {current_waiter = {<std::atomic<bthread::ButexWaiter*>> = {_M_b = {_M_p
= 0x7f84ed7f3a20}}, <No data fields>}, current_sleep = 0, stop = false,
interrupted = false, about_to_quit = false, version_lock = 1, version_butex =
0x7f8640124f70, tid = 60129595668,
fn = 0x12cb8b0 <brpc::ProcessInputMessage(void*)>, arg = 0x7f8bf8063210,
stack = 0x7f84d400ca70, attr = {stack_type = 1, flags = 32, keytable_pool =
0x4bdebe0}, cpuwide_start_ns = 29493140553366624, stat = {cputime_ns = 0,
nswitch = 0}, local_storage = {keytable =
0x7f84d509f9a0, assigned_data = 0x0, rpcz_parent_span = 0x0}}
当前正在允许的 bthread 栈类型为 BTHREAD_STACKTYPE_PTHREAD，这个似乎不符合我的预期。我的预期是，处理 rpc
请求都是在 bthread 中执行的
事发当时机器的内存负载不高，不太可能出现触发 因为 out of memory 强制将 bthread 的栈类型改为 pthread 的情况
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