amd64/74747: System panic on shutdown when process will not die

[Sean McNeil]

>Number:         74747
>Category:       amd64
>Synopsis:       System panic on shutdown when process will not die
>Confidential:   no
>Severity:       critical
>Priority:       medium
>Responsible:    freebsd-amd64
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sun Dec 05 23:10:25 GMT 2004
>Closed-Date:
>Last-Modified:
>Originator:     Sean McNeil
>Release:        6.0-CURRENT
>Organization:
Sean McNeil Consulting
>Environment:
FreeBSD server.mcneil.com 6.0-CURRENT FreeBSD 6.0-CURRENT #19: Sun Dec  5 13:42:35 PST 2004     root at server.mcneil.com:/usr/obj/usr/src/sys/AMD64  amd64

>Description:
slapd will not properly shutdown /usr/local/etc/rc.d/slapd.sh stop.  During shutdown (ctrl-alt-delete), this causes the pid to be displayed many times, then a long pause, then a panic.  The following is output:

Dec  5 14:43:31 server syslogd: kernel boot file is /boot/kernel/kernel
Dec  5 14:43:31 server kernel: interrupt                   total
Dec  5 14:43:31 server kernel: irq1: atkbd0                         203
Dec  5 14:43:31 server kernel: irq0: clk                         486756
Dec  5 14:43:31 server kernel: irq4: sio0                             6
Dec  5 14:43:31 server kernel: irq8: rtc                          31172
Dec  5 14:43:31 server kernel: irq14: ata0                          777
Dec  5 14:43:31 server kernel: irq15: ata1                          172
Dec  5 14:43:31 server kernel: irq16: re0                           628
Dec  5 14:43:31 server kernel: irq17: fwohci0                         1
Dec  5 14:43:31 server kernel: irq19: dc0                             2
Dec  5 14:43:31 server kernel: irq20: atapci0                     11332
Dec  5 14:43:31 server kernel: irq21: uhci0 uhci1+                   56
Dec  5 14:43:31 server kernel: Total                      531105
Dec  5 14:43:31 server kernel: KDB: stack backtrace:
Dec  5 14:43:31 server kernel: hardclock() at hardclock+0x21b
Dec  5 14:43:31 server kernel: intr_execute_handlers() at intr_execute_handlers+0x102
Dec  5 14:43:31 server kernel: lapic_handle_intr() at lapic_handle_intr+0x21
Dec  5 14:43:31 server kernel: Xapic_isr1() at Xapic_isr1+0x7d
Dec  5 14:43:31 server kernel: --- interrupt, rip = 0xffffffff80486616, rsp = 0xffffffffb188dba0, rbp = 0xffffffffb188dbb0 ---
Dec  5 14:43:31 server kernel: acpi_cpu_c1() at acpi_cpu_c1+0x6
Dec  5 14:43:31 server kernel: acpi_cpu_idle() at acpi_cpu_idle+0x178
Dec  5 14:43:31 server kernel: idle_proc() at idle_proc+0x9d
Dec  5 14:43:31 server kernel: fork_exit() at fork_exit+0x8f
Dec  5 14:43:31 server kernel: fork_trampoline() at fork_trampoline+0xe
Dec  5 14:43:31 server kernel: --- trap 0, rip = 0, rsp = 0xffffffffb188dd00, rbp = 0 ---
Dec  5 14:43:31 server kernel: KDB: enter: watchdog timeout

>How-To-Repeat:
Install openldap22-sasl-server and start it.  Perform a ctrl-alt-delete.

>Fix:
      
>Release-Note:
>Audit-Trail:
>Unformatted: