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Date:      Thu, 15 Oct 2020 13:10:44 +0900 (JST)
From:      YAMAMOTO Shigeru <shigeru@os-hackers.jp>
To:        mjguzik@gmail.com
Cc:        freebsd-current@freebsd.org
Subject:   Re: zfs panic when 'make buildworld buildkernel'
Message-ID:  <20201015.131044.865831816285441904.shigeru@os-hackers.jp>
In-Reply-To: <CAGudoHFVyX1w%2BdhWnxEKVKwpPC_AG6fAOnLiwO3%2BDyi_7oWqMw@mail.gmail.com>
References:  <20201013.202148.2154404302288800973.shigeru@os-hackers.jp> <CAGudoHG_RPB2C3pC3iRb=E1FdHjKL6drHz9qGbFzirTm8HeLng@mail.gmail.com> <CAGudoHFVyX1w%2BdhWnxEKVKwpPC_AG6fAOnLiwO3%2BDyi_7oWqMw@mail.gmail.com>

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Thank you for your help.

after 
https://svnweb.freebsd.org/base?view=revision&revision=366685

I update kernel and try to 'make buildworld buildkernel'.

1st time, I can finished 'make buildworld buildkernel'.

2nd time, panic

```
[root@jenkins-02 ~]# uname -a
FreeBSD jenkins-02.current.os-hackers.jp 13.0-CURRENT FreeBSD 13.0-CURRENT
#0 r366693: Wed Oct 14 21:04:42 JST 2020
root@jenkins-02.current.os-hackers.jp:/usr/obj/usr/src/amd64.amd64/sys/GENERIC
amd64
[root@jenkins-02 ~]#
```

```
    flags ()
        lock type zfs: UNLOCKED
panic: No vop_fplookup_vexec(0xfffff80057f061f0, 0xfffffe004b286688)
cpuid = 1
time = 1602733349
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame
0xfffffe004b286570
vpanic() at vpanic+0x182/frame 0xfffffe004b2865c0
panic() at panic+0x43/frame 0xfffffe004b286620
VOP_FPLOOKUP_VEXEC_APV() at VOP_FPLOOKUP_VEXEC_APV+0x125/frame
0xfffffe004b286640
cache_fplookup() at cache_fplookup+0x437/frame 0xfffffe004b286750
namei() at namei+0x149/frame 0xfffffe004b286810
vn_open_cred() at vn_open_cred+0x336/frame 0xfffffe004b286970
kern_openat() at kern_openat+0x25a/frame 0xfffffe004b286ad0
amd64_syscall() at amd64_syscall+0x135/frame 0xfffffe004b286bf0
fast_syscall_common() at fast_syscall_common+0xf8/frame
0xfffffe004b286bf0
--- syscall (499, FreeBSD ELF64, sys_openat), rip = 0x805909caa, rsp =
0x7fffffff71a8, rbp = 0x7fffffff7220 ---
KDB: enter: panic
[ thread pid 84431 tid 100664 ]
Stopped at      kdb_enter+0x37: movq    $0,0x10b0116(%rip)
db>
```

```
db> trace
Tracing pid 84431 tid 100664 td 0xfffffe004b1e8000
kdb_enter() at kdb_enter+0x37/frame 0xfffffe004b286570
vpanic() at vpanic+0x19e/frame 0xfffffe004b2865c0
panic() at panic+0x43/frame 0xfffffe004b286620
VOP_FPLOOKUP_VEXEC_APV() at VOP_FPLOOKUP_VEXEC_APV+0x125/frame
0xfffffe004b286640
cache_fplookup() at cache_fplookup+0x437/frame 0xfffffe004b286750
namei() at namei+0x149/frame 0xfffffe004b286810
vn_open_cred() at vn_open_cred+0x336/frame 0xfffffe004b286970
kern_openat() at kern_openat+0x25a/frame 0xfffffe004b286ad0
amd64_syscall() at amd64_syscall+0x135/frame 0xfffffe004b286bf0
fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe004b286bf0
--- syscall (499, FreeBSD ELF64, sys_openat), rip = 0x805909caa, rsp =
0x7fffffff71a8, rbp = 0x7fffffff7220 ---
db>
```

Thanks,
---
YAMAMOTO Shigeru <shigeru@os-hackers.jp>



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