kern/88823: atapicam - kernel trap 12

ale per.qu at email.it
Sat Nov 12 06:10:17 PST 2005


The following reply was made to PR kern/88823; it has been noted by GNATS.

From: ale <per.qu at email.it>
To: Thomas Quinot <thomas at FreeBSD.ORG>
Cc: freebsd-gnats-submit at FreeBSD.org
Subject: Re: kern/88823: atapicam - kernel trap 12
Date: Sat, 12 Nov 2005 15:07:27 +0100

 	--------- Original Message --------
 	Da: Thomas Quinot <thomas at FreeBSD.ORG>
 	To: 
 	        Cc: freebsd-gnats-submit at FreeBSD.org
 	Oggetto: Re: kern/88823: atapicam - kernel trap 12
 	Data: 11/11/05 11:18
 	
 	> 
 > 
 > * ale, 2005-11-11 :
 > 
 > > >Description:
 > >               Loading and unloading atapicam in a rapid seqeunce cause a
 kernel trap 12. This doesn't happen waiting some seconds between the to
 operations.
 > > >How-To-Repeat:
 > >               kldload atapicam;kldunload atapicam
 > 
 > Please provide a backtrace of the trap.
 > 
 > Thomas.
 > 
 > 
 
 Is this what you want?
 If not, please tell me what I have to do to satisfy your request.
 --------------------------------------------------------------------------------------
 #0  doadump () at pcpu.h:165
 #1  0xc0638202 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:399
 #2  0xc0638498 in panic (fmt=0xc084e5a2 "%s")
     at /usr/src/sys/kern/kern_shutdown.c:555
 #3  0xc0807c30 in trap_fatal (frame=0xe5050c5c, eva=3264131372)
     at /usr/src/sys/i386/i386/trap.c:831
 #4  0xc080799b in trap_pfault (frame=0xe5050c5c, usermode=0, eva=3264131372)
     at /usr/src/sys/i386/i386/trap.c:742
 #5  0xc08075d9 in trap (frame=
       {tf_fs = -452657144, tf_es = -1067188184, tf_ds = -1064173528, tf_edi
 = 4, tf_esi = -1034584760, tf_ebp = -452653900, tf_isp = -452653944, tf_ebx
 = 0, tf_edx = -1037116032, tf_ecx = 0, tf_eax = 80, tf_trapno = 12, tf_err =
 0, tf_eip = -1030835924, tf_cs = 32, tf_eflags = 590466, tf_esp =
 -1068688558, tf_ss = -1034584760}) at /usr/src/sys/i386/i386/trap.c:432
 #6  0xc07f6dca in calltrap () at /usr/src/sys/i386/i386/exception.s:139
 #7  0xc28eb12c in ?? ()
 --------------------------------------------------------------------------------------
 
 P.S.
 I booted /boot/kernel/kernel.debug: am I supposed to find kernel.debug.n in
 /var/crash?
 
 P.P.S.
 I did a fresh install again and I can replicate the problem.
 
 Thanks
 Ale
  
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