https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=231211
Bug ID: 231211
Summary: [zfs] possible deadlock triggered by zfs test suite
Product: Base System
Version: CURRENT
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: kern
Assignee: [email protected]
Reporter: [email protected]
When running zfs test suite in bhyve, it usually panics with following message:
panic: deadlres_td_sleep_q: possible deadlock detected for 0xfffff8006b642000,
blocked for 180024 ticks
VM image and core files (vmcore.1 is used in this bug report, vmcore.0 is
previous run, also panicked in the same point):
https://people.freebsd.org/~lwhsu/zfs-deadlock/
Some ddb outputs:
https://gist.github.com/lwhsu/88bce6ffaa2ccc5e8da4fe186dbeb54f
Also note that there might be another issue:
chain 96:
thread 100230 (pid 0, zio_null_intr) blocked on lockmgr (null)EXCL
thread -559038242 (pid 268435455,
pppppppppppppppppppppppppppppppppppppppppppppsecondarycache) ??? (0xdeadc0de)
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