Serial console and lockups

From: Arjan van de Ven (arjan@fenrus.demon.nl)
Date: Sat Apr 29 2000 - 15:17:36 EST


Hi,

Since using 2.3.99pre6, I got the following oops two times.
I have serial-console enabled, but there is currently no cable connected.

Greetings,
   Arjan van de Ven

NMI Watchdog detected LOCKUP on CPU0, registers:
Apr 28 22:41:29 alereon kernel: CPU: 0
Apr 28 22:41:29 alereon kernel: EIP: 0010:[set_selection+1159/1392]
Apr 28 22:41:29 alereon kernel: EFLAGS: 00000002
Apr 28 22:41:29 alereon kernel: eax: 00000300 ebx: 000f3431 ecx: 00000004 edx: 000003fd
Apr 28 22:41:29 alereon kernel: esi: c03134c0 edi: c02fdd46 ebp: 00000003 esp: c585bdc0
Apr 28 22:41:29 alereon kernel: ds: 0018 es: 0018 ss: 0018
Apr 28 22:41:29 alereon kernel: Process top (pid: 17679, stackpage=c585b000)
Apr 28 22:41:29 alereon kernel: Stack: c01a93fe c03134c0 00000005 c02b7740 00000003 c02fdd43 c02fdd47 c02fdd46
Apr 28 22:41:29 alereon kernel: 00000005 c011de03 c02b7740 c02fdd43 00000003 00000004 c585bf0c c585bf40
Apr 28 22:41:29 alereon kernel: 00000018 00000082 00000000 c02fdd46 00000003 c010c16e c023f207 000000bb
Apr 28 22:41:29 alereon kernel: Call Trace: [register_serial+66/588] [do_syslog+2339/2496] [show_registers+238/316] [stext_lock+30047/36504] [die+78/216] [stext_lock+30055/36504] [call_spurious_interrupt+20753/37883]
Apr 28 22:41:29 alereon kernel: [do_page_fault+636/1216] [call_spurious_interrupt+20753/37883] [get_empty_inode+185/276] [pid_base_revalidate+28/56] [proc_pid_lookup+168/368] [do_pipe+369/608] [divide_error+1/8] [sys_capset+640/812]
Apr 28 22:41:29 alereon kernel: [standard_permission+187/252] [proc_info_read+569/760] [sys_lseek+268/472] [system_call+0/56]
Apr 28 22:41:29 alereon kernel: Code: 0f b6 c0 c3 90 53 8b 54 24 08 8b 44 24 0c 8b 5c 24 10 83 7a
Apr 28 22:41:29 alereon kernel: console shuts up ...

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