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Re: 8.99.1: exiting unheld spin mutex
In article <20170606173220.6e53czlyei7hep4h@danbala>,
Thomas Klausner <tk%giga.or.at@localhost> wrote:
>I just upgraded from 7.99.75 to 8.99.1. The kernel didn't really come
>up (I didn't watch the console at first). It paniced with a mutex
>issue. When it came up again with a 8.99.1 kernel, it paniced while
>writing the kernel core file to disk, with something like:
>SPL NOT LOWERED ON SYSCALL EXIT
>When it came up again, it paniced during startup, a bit later, with a
>backtrace this time:
>Mutex error: mutex_vector_exit,720: exiting unheld spin mutex
>lock address : 0xfffffe882ef8d0b8
>current cpu : 6
>current lwp : 0xfffffe881c147a40
>owner field : 0x0000000000000600 wait/spin: 0/1
>panic: lock error: Mutex: ... (same thing)
>cpu6: begin traceback...
>syscall() at netbsd:syscall+0x1d8
>-- syscall (number 54) ---
>cpu6: End traceback...
>That's with a DIAGNOSTIC kernel.
I fixed it.
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