[Bug 209158] node / npm triggering zfs rename deadlock

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Wed May 25 22:39:02 UTC 2016


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=209158

--- Comment #23 from Doug Luce <doug at freebsd.con.com> ---
A second panic happened after only a few seconds of uptime after rebooting.
Looks the same:

Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address   = 0xc0
fault code              = supervisor read data, page not present
instruction pointer     = 0x20:0xffffffff82310db4
stack pointer           = 0x28:0xfffffe0123585600
frame pointer           = 0x28:0xfffffe0123585710
code segment            = base 0x0, limit 0xfffff, type 0x1b
                        = DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags        = interrupt enabled, resume, IOPL = 0
current process         = 2734 (emacs-25.0.93)
trap number             = 12
panic: page fault
cpuid = 0
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe01235850c0
kdb_backtrace() at kdb_backtrace+0x39/frame 0xfffffe0123585170
vpanic() at vpanic+0x189/frame 0xfffffe01235851f0
panic() at panic+0x43/frame 0xfffffe0123585250
trap_fatal() at trap_fatal+0x36b/frame 0xfffffe01235852b0
trap_pfault() at trap_pfault+0x200/frame 0xfffffe0123585330
trap() at trap+0x4cc/frame 0xfffffe0123585540
calltrap() at calltrap+0x8/frame 0xfffffe0123585540
--- trap 0xc, rip = 0xffffffff82310db4, rsp = 0xfffffe0123585610, rbp =
0xfffffe0123585710 ---
zfs_freebsd_rename() at zfs_freebsd_rename+0xe4/frame 0xfffffe0123585710
VOP_RENAME_APV() at VOP_RENAME_APV+0xfc/frame 0xfffffe0123585740
kern_renameat() at kern_renameat+0x4a6/frame 0xfffffe01235859a0
amd64_syscall() at amd64_syscall+0x2de/frame 0xfffffe0123585ab0
Xfast_syscall() at Xfast_syscall+0xfb/frame 0xfffffe0123585ab0
--- syscall (128, FreeBSD ELF64, sys_rename), rip = 0x807c5fbaa, rsp =
0x7fffffffcf88, rbp = 0x7fffffffcfc0 ---
Uptime: 12m25s
Dumping 634 out of 4064 MB: (CTRL-C to abort)
..3%..11%..21%..31%..41%..51%..61%..71%..81%..91%
Dump complete

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