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Date:      Tue, 31 Mar 2009 14:20:48 +0400 (MSD)
From:      Dmitry Morozovsky <marck@rinet.ru>
To:        stable@FreeBSD.org
Cc:        mav@FreeBSD.org
Subject:   RELENG_7 ata panic on atacontrol attach
Message-ID:  <alpine.BSF.2.00.0903311417251.60285@woozle.rinet.ru>

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Hi there colleagues,

atapci3: <nVidia nForce MCP55 SATA300 controller> port 
0xbc00-0xbc07,0xb880-0xb883,0xb800-0xb807,0xb480-0xb483,0xb400-0xb40f mem 
0xefcb3000-0xefcb3fff irq 23 at device 5.2 on pci0


atacontrol detach ata7
- insert ATA disk (ad14)
atacontrol attach ata7

pinics with Fatal trap 12: page fault while in kernel mode


(kgdb) bt
#0  doadump () at pcpu.h:196
#1  0xc0533227 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:418
#2  0xc0533535 in panic (fmt=Variable "fmt" is not available.
) at /usr/src/sys/kern/kern_shutdown.c:574
#3  0xc06cfca3 in trap_fatal (frame=0xfcb0aa7c, eva=40) at 
/usr/src/sys/i386/i386/trap.c:939
#4  0xc06cff00 in trap_pfault (frame=0xfcb0aa7c, usermode=0, eva=40) at 
/usr/src/sys/i386/i386/trap.c:852
#5  0xc06d08a6 in trap (frame=0xfcb0aa7c) at /usr/src/sys/i386/i386/trap.c:530
#6  0xc06b5b1b in calltrap () at /usr/src/sys/i386/i386/exception.s:159
#7  0xc055b69c in device_attach (dev=0xcc58e480) at 
/usr/src/sys/kern/subr_bus.c:279
#8  0xc055c96d in device_probe_and_attach (dev=0xcc58e480) at 
/usr/src/sys/kern/subr_bus.c:2366
#9  0xc055ca59 in bus_generic_attach (dev=0xc5167100) at 
/usr/src/sys/kern/subr_bus.c:2905
#10 0xc04796f0 in ata_identify (dev=0xc5167100) at 
/usr/src/sys/dev/ata/ata-all.c:723
#11 0xc0479fe4 in ata_attach (dev=0xc5167100) at 
/usr/src/sys/dev/ata/ata-all.c:150
#12 0xc047a93a in ata_ioctl (dev=0xc510e200, cmd=2147770627, data=0xd2f6cb80 
"\a", flag=3, td=0xcd32c690) at /usr/src/sys/dev/ata/ata-all.c:387
#13 0xc04f6497 in giant_ioctl (dev=0xc510e200, cmd=2147770627, data=0xd2f6cb80 
"\a", fflag=3, td=0xcd32c690) at /usr/src/sys/kern/kern_conf.c:398
#14 0xc04d5f87 in devfs_ioctl_f (fp=0xcce31e8c, com=2147770627, 
data=0xd2f6cb80, cred=0xc6897700, td=0xcd32c690) at 
/usr/src/sys/fs/devfs/devfs_vnops.c:602
#15 0xc056d4e5 in kern_ioctl (td=0xcd32c690, fd=3, com=2147770627, 
data=0xd2f6cb80 "\a") at file.h:269
#16 0xc056d63f in ioctl (td=0xcd32c690, uap=0xfcb0acfc) at 
/usr/src/sys/kern/sys_generic.c:570
#17 0xc06d0248 in syscall (frame=0xfcb0ad38) at 
/usr/src/sys/i386/i386/trap.c:1090
#18 0xc06b5b80 in Xint0x80_syscall () at /usr/src/sys/i386/i386/exception.s:255
#19 0x00000033 in ?? ()

Previous frame inner to this frame (corrupt stack?)
(kgdb) up 7
#7  0xc055b69c in device_attach (dev=0xcc58e480) at 
/usr/src/sys/kern/subr_bus.c:279
279             if (dev->sysctl_tree != NULL)



-- 
Sincerely,
D.Marck                                     [DM5020, MCK-RIPE, DM3-RIPN]
[ FreeBSD committer:                                 marck@FreeBSD.org ]
------------------------------------------------------------------------
*** Dmitry Morozovsky --- D.Marck --- Wild Woozle --- marck@rinet.ru ***
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