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Date: Mon, 01 Dec 2008 09:44:10 +0200
From: Backspace <backspace@ua.fm>
To: bug-followup@FreeBSD.org, backspace@ua.fm
Subject: =?windows-1251?B?UmU6IGtlcm4vMTI5MzE2OiBrZXJuZWwgcGFuaWMgKHBjcHUuaDoxOTU7IHN1cHBvcnQuczo0OTkp?=

>Number:         129330
>Category:       kern
>Synopsis:       Re: kern/129316: kernel panic (pcpu.h:195; support.s:499)
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    linimon
>State:          closed
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Mon Dec 01 09:30:00 UTC 2008
>Closed-Date:    Mon Dec 01 20:21:44 UTC 2008
>Last-Modified:  Mon Dec 01 20:21:44 UTC 2008
>Originator:     
>Release:        
>Organization:
>Environment:
>Description:
 I also have another crash dump on that system. Hope it will be more useful.
 
 Fatal trap 12: page fault while in kernel mode
 cpuid =3D 1; apic id =3D 01
 fault virtual address =3D 0xc5544000
 fault code =3D supervisor read, page not present
 instruction pointer =3D 0x20:0xc0808e35
 stack pointer =3D 0x28:0xe1705bd0
 frame pointer =3D 0x28:0xe1705bf4
 code segment =3D base 0x0, limit 0xfffff, type 0x1b
 =3D DPL 0, pres 1, def32 1, gran 1
 processor eflags =3D resume, IOPL =3D 0
 current process =3D 11 (idle: cpu1)
 trap number =3D 12
 panic: page fault
 cpuid =3D 1
 Uptime: 1m27s
 Physical memory: 503 MB
 Dumping 107 MB: 92 76 60 44 28 12
 
 #0 doadump () at pcpu.h:195
 195 __asm __volatile("movl %%fs:0,%0" : "=3Dr" (td));
 (kgdb) bt
 #0 doadump () at pcpu.h:195
 #1 0xc0667823 in boot (howto=3D260) at ../../../kern/kern_shutdown.c:409
 #2 0xc0667ae9 in panic (fmt=3DVariable "fmt" is not available.
 ) at ../../../kern/kern_shutdown.c:563
 #3 0xc083051c in trap_fatal (frame=3D0xe1705b90, eva=3D3310632960) at ../..=
 /../i386/i386/trap.c:899
 #4 0xc0830eb5 in trap (frame=3D0xe1705b90) at ../../../i386/i386/trap.c:280
 #5 0xc0817f9b in calltrap () at ../../../i386/i386/exception.s:139
 #6 0xc0808e35 in siointr1 (com=3D0xc472c400) at ../../../dev/sio/sio.c:1617
 #7 0xc080a530 in siointr (arg=3D0xc472c400) at ../../../dev/sio/sio.c:1392
 #8 0xc081ca3c in intr_execute_handlers (isrc=3D0xc46002c8, frame=3D0xe1705c=
 5c) at ../../../i386/i386/intr_machdep.c:364
 #9 0xc081fe2f in lapic_handle_intr (vector=3D57, frame=3D0xe1705c5c) at ../=
 ../../i386/i386/local_apic.c:641
 #10 0xc0818364 in Xapic_isr1 () at apic_vector.s:90
 #11 0xc080f3a5 in acpi_cpu_c1 () at ../../../i386/acpica/acpi_machdep.c:550
 #12 0xc04a4e23 in acpi_cpu_idle () at ../../../dev/acpica/acpi_cpu.c:939
 #13 0xc0822468 in cpu_idle () at ../../../i386/i386/machdep.c:1181
 #14 0xc0683a95 in sched_idletd (dummy=3D0x0) at ../../../kern/sched_4bsd.c:=
 1377
 #15 0xc0646997 in fork_exit (callout=3D0xc0683a80 <sched_idletd>, arg=3D0x0=
 , frame=3D0xe1705d38) at ../../../kern/kern_fork.c:781
 #16 0xc0818010 in fork_trampoline () at ../../../i386/i386/exception.s:205
 (kgdb) list *0xc0808e35
 0xc0808e35 is in siointr1 (cpufunc.h:270).
 265 * This make a large difference for gcc-1.40 and a tiny difference
 266 * for gcc-2.6.0. For gcc-1.40, al had to be ``asm("ax")'' for
 267 * best results. gcc-2.6.0 can't handle this.
 268 */
 269 al =3D data;
 270 __asm __volatile("outb %0,%%dx" : : "a" (al), "d" (port));
 271 }
 272
 273 static __inline void
 274 outl(u_int port, u_int data)
 (kgdb)
 
 -- =F0=E5=EA=EB=E0=EC=E0 --------------------------------------------------=
 ---------
 =C4=EE=EC=E5=ED =C1=C5=D1=CF=CB=C0=D2=CD=CE!
 =D1 =F5=EE=F1=F2=E8=ED=E3-=EF=EB=E0=ED=EE=EC =ED=E0 http://www.hostpro.ua
 
>How-To-Repeat:
>Fix:
>Release-Note:
>Audit-Trail:
State-Changed-From-To: open->feedback 
State-Changed-By: linimon 
State-Changed-When: Mon Dec 1 10:12:45 UTC 2008 
State-Changed-Why:  
To which PR does this followup apply? 


Responsible-Changed-From-To: gnats-admin->linimon 
Responsible-Changed-By: linimon 
Responsible-Changed-When: Mon Dec 1 10:12:45 UTC 2008 
Responsible-Changed-Why:  

http://www.freebsd.org/cgi/query-pr.cgi?pr=129330 
State-Changed-From-To: feedback->closed 
State-Changed-By: linimon 
State-Changed-When: Mon Dec 1 20:20:36 UTC 2008 
State-Changed-Why:  
The posting of my feedback request to the mailing list showed up without 
the extra encoding of the Synopsis. 

Content migrated. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=129330 
>Unformatted:
