Re: strangeness on new cvsup

From: Randy Bush (randy_at_psg.com)
Date: 11/28/04

  • Next message: David Malone: "Re: ssh & select() problem on 5.3" 
    Date: Sun, 28 Nov 2004 13:45:33 -0800
To: FreeBSD Current <freebsd-current@freebsd.org>

    and again, with a non-smp kernel

    kernel trap 12 with interrupts disabled

    Fatal trap 12: page fault while in kernel mode
    fault virtual address = 0x6c
    fault code = supervisor read, page not present
    instruction pointer = 0x8:0xc04e4cad
    stack pointer = 0x10:0xe6d9c924
    frame pointer = 0x10:0xe6d9c928
    code segment = base 0x0, limit 0xfffff, type 0x1b
                            = DPL 0, pres 1, def32 1, gran 1
    processor eflags = resume, IOPL = 0
    current process = 482 (asterisk)
    [thread pid 482 tid 100144 ]
    Stopped at turnstile_setowner+0xd: movl 0x6c(%ecx),%eax
    db> trace
    Tracing pid 482 tid 100144 td 0xc2639600
    turnstile_setowner(c215ab00,0,c04e4d6d,0,c2639600) at turnstile_setowner+0xd
    turnstile_wait(c2135c3c,0,c2135c3c,c2135bd0,e6d9c98c) at turnstile_wait+0x102
    _mtx_lock_sleep(c2135c3c,c2639600,0,c2518edb,6ac) at _mtx_lock_sleep+0xb4
    _mtx_lock_flags(c2135c3c,0,c2518edb,6ac,2) at _mtx_lock_flags+0x44
    zt_clone(0,c242a800,3,c263c440,c2639600) at zt_clone+0x71
    zt_timing_open(c242a800,3,c2639600,6,c2c15000) at zt_timing_open+0xbd
    ztopen(c242a800,3,2000,c2639600,e6d9ca48) at ztopen+0x6c
    devfs_open(e6d9ca6c,2f,280,180,c2639600) at devfs_open+0x1d1
    vn_open_cred(e6d9cbd8,e6d9ccd8,0,c1e74d80,14) at vn_open_cred+0x3f1
    vn_open(e6d9cbd8,e6d9ccd8,0,14,0) at vn_open+0x33
    kern_open(c2639600,284488b6,0,3,0) at kern_open+0x113
    open(c2639600,e6d9cd14,c,c2639600,6) at open+0x30
    syscall(2f,2f,2f,80db000,0) at syscall+0x330
    Xint0x80_syscall() at Xint0x80_syscall+0x1f
    --- syscall (5, FreeBSD ELF32, open), eip = 0x2830b10f, esp = 0xbfbfe9ec, ebp = 0xbfbfea08 ---

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  • Next message: David Malone: "Re: ssh & select() problem on 5.3"

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