arm/150581: Unknown error generates IRQ address decoding error

Tyler S tyler at 680x0.com
Wed Sep 15 02:10:02 UTC 2010


>Number:         150581
>Category:       arm
>Synopsis:       Unknown error generates IRQ address decoding error
>Confidential:   no
>Severity:       critical
>Priority:       low
>Responsible:    freebsd-arm
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Wed Sep 15 02:10:01 UTC 2010
>Closed-Date:
>Last-Modified:
>Originator:     Tyler S
>Release:        -current
>Organization:
>Environment:
FreeBSD armadeus 9.0-CURRENT FreeBSD 9.0-CURRENT #3: Tue Sep 14 04:49:25 UTC 2010     ulterior at adumbral.local:/usr/obj/arm.arm/usr/src/sys/SHEEVAPLUG  arm

>Description:
When executing "portsnap fetch", the machine (a guruplug server plus) floods its local console with:
c86a862ec3012622d1fc4d0d450dcb2469828ffec71fd7 46% of   63 MB  214 kBps 02m43s
c86a862ec3012622d1fc4d0d450dcb2469828ffec71fd7 46% of   63 MB  213 kBps 02m43s
c86a862ec3012622d1fc4d0d450dcb2469828ffec71fd7 46% of   63 MB  213 kBps 02m43s
c86a862ec3012622d1fc4d0d450dcb2469828ffec71fd7 47% of   63 MB  213 kBps 02m41s
c86a862ec3012622d1fc4d0d450dcb2469828ffec71fd7 47% of   63 MB  213 kBps 02m40s
c86a862ec3012622d1fc4d0d450dcb2469828ffec71fd7 47% of   63 MB  213 kBps 02m39s
c86a862ec3012622d1fc4d0d450dcb2469828ffec71fd7 47% of   63 MB  213 kBps 02m38s
c86a862ec3012622d1fc4d0d450dcb2469828ffec71fd7 48% of   63 MB  212 kBps 02m38s
c86a862ec3012622d1fc4d0d450dcb2469828ffec71fd7 48% of   63 MB  213 kBps 02m37s
c86a862ec3012622d1fc4d0d450dcb2469828ffec71fd7 48% of   63 MB  213 kBps 02m35s
c86a862ec3012622d1fc4d0d450dcb2469828ffec71fd7 49% of   63 MB  212 kBps 02m35s
c86a862ec3012622d1fc4d0d450dcb2469828ffec71fd7 49% of   63 MB  212 kBps 02m34s
c86a862ec3012622d1fc4d0d450dcb2469828ffec71fd7 49% of   63 MB  213 kBps 02m32s
c86a862ec3012622d1fc4d0d450dcb2469828ffec71fd7 50% of   63 MB  214 kBps 02m30s
c86a862ec3012622d1fc4d0d450dcb2469828ffec71fd7 50% of   63 MB  214 kBps 02m28s
c86a862ec301262IRQ ERR: cause: 0x00000001
IRQ ERR: Address decoding error
IRQ ERR: cause: 0x00000001
IRQ ERR: Address decoding error
IRQ ERR: cause: 0x00000001
IRQ ERR: Address decoding error
IRQ ERR: cause: 0x00000001
IRQ ERR: Address decoding error
IRQ ERR: cause: 0x00000001
IRQ ERR: Address decoding error
IRQ ERR: cause: 0x00000001
IRQ ERR: Address decoding error
IRQ ERR: cause: 0x00000001
IRQ ERR: Address decoding error
IRQ ERR: cause: 0x00000001
IRQ ERR: Address decoding error
IRQ ERR: cause: 0x00000001
IRQ ERR: Address decoding error
IRQ ERR: cause: 0x00000001
IRQ ERR: Address decoding error
IRQ ERR: cause: 0x00000001
IRQ ERR: Address decoding error
IRQ ERR: cause: 0x00000001
IRQ ERR: Address decoding error
IRQ ERR: cause: 0x00000001
- snip -

and the machine becomes unresponsive, prompting a cold boot.

Kernel was built with the following patches applied to it:

--- /usr/src/sys/kern/vfs_mount.c.orig	2010-07-04 22:50:00.613726077 -0400
+++ /usr/src/sys/kern/vfs_mount.c	2010-07-05 12:11:09.986561693 -0400
@@ -1651,6 +1651,9 @@
 	int error, i, asked = 0;

 	options = NULL;
+
+	/* NASTY HACK: wait for USB sticks to appear */
+	pause("usbhack", hz * 10);

 	root_mount_prepare();

--- /usr/src/etc/rc.d/fsck.orig	2010-07-07 13:02:41.765255856 -0400
+++ /usr/src/etc/rc.d/fsck	2010-07-07 13:02:46.286575144 -0400
@@ -27,7 +27,16 @@
 		if checkyesno background_fsck; then
 			fsck -F -p
 		else
-			fsck -p
+			if checkyesno force_fsck; then
+				echo "Force fsck enabled"
+				for filesystem in ${force_fsck_list}
+				do
+					echo "Force check $filesystem"
+					fsck -y $filesystem
+				done
+			else
+				fsck -p
+			fi
 		fi

 		case $? in
--- /usr/src/contrib/bind9/lib/isc/arm/include/isc/atomic.h.orig	2010-08-04 02:02:01.194401084 -0400
+++ /usr/src/contrib/bind9/lib/isc/arm/include/isc/atomic.h	2010-08-04 02:04:53.462379414 -0400
@@ -49,26 +49,22 @@
 static inline isc_int32_t
 isc_atomic_cmpxchg(isc_int32_t *p, isc_int32_t cmpval, isc_int32_t val)
 {
-	register int done, ras_start;
+	register int done, ras_start  = 0xffff1004;

 	__asm __volatile("1:\n"
 	    "adr	%1, 1b\n"
-	    "mov	%0, #0xe0000004\n"
 	    "str	%1, [%0]\n"
-	    "mov	%0, #0xe0000008\n"
 	    "adr	%1, 2f\n"
-	    "str	%1, [%0]\n"
+	    "str	%1, [%0, #4]\n"
 	    "ldr	%1, [%2]\n"
 	    "cmp	%1, %3\n"
 	    "streq	%4, [%2]\n"
 	    "2:\n"
 	    "mov	%3, #0\n"
-	    "mov	%0, #0xe0000004\n"
 	    "str	%3, [%0]\n"
 	    "mov	%3, #0xffffffff\n"
-	    "mov	%0, #0xe0000008\n"
-	    "str	%3, [%0]\n"
-	    : "=r" (ras_start), "=r" (done)
+	    "str	%3, [%0, #4]\n"
+	    : "+r" (ras_start), "=r" (done)
 	    ,"+r" (p), "+r" (cmpval), "+r" (val) : : "memory");
 	return (done);
and, the following kernel configuration:

#
# Custom kernel for Marvell SheevaPlug devices.
#
# $FreeBSD: src/sys/arm/conf/SHEEVAPLUG,v 1.3 2010/06/13 13:28:53 raj Exp $
#

ident           SHEEVAPLUG
include         "../mv/kirkwood/std.sheevaplug"

options         SOC_MV_KIRKWOOD
makeoptions     MODULES_OVERRIDE=""

#makeoptions    DEBUG=-g                #Build kernel with gdb(1) debug symbols
makeoptions     WERROR="-Werror"

options         SCHED_4BSD              #4BSD scheduler
options         INET                    #InterNETworking
options         INET6                   #IPv6 communications protocols
options         FFS                     #Berkeley Fast Filesystem
options         NFSCLIENT               #Network Filesystem Client
options         NFSLOCKD                #Network Lock Manager
options         NFS_ROOT                #NFS usable as /, requires NFSCLIENT
#options        BOOTP
#options        BOOTP_NFSROOT
#options        BOOTP_NFSV3
#options        BOOTP_WIRED_TO=mge0

options         GEOM_PART_BSD
options         GEOM_PART_GPT
options         GEOM_PART_MBR
options         GEOM_LABEL

options         SOFTUPDATES     # Enable FF Soft updates support
options         MSDOSFS         # Enable MSDOS Filesystems
options         PROCFS          # Process Filesystem
options         PSEUDOFS        # Psuedo-filesystem support
#options                ZFS             # zfs module
#options                opensolaris     # support module for zfs
# Root fs on USB device
#options        ROOTDEVNAME=\"ufs:/dev/da0a\"

options         SYSVSHM                 #SYSV-style shared memory
options         SYSVMSG                 #SYSV-style message queues
options         SYSVSEM                 #SYSV-style semaphores
options         _KPOSIX_PRIORITY_SCHEDULING #Posix P1003_1B real-time extensions
options         MUTEX_NOINLINE
options         RWLOCK_NOINLINE
#options        NO_FFS_SNAPSHOT
#options        NO_SWAPPING

# extra
options SW_WATCHDOG
options IPFIREWALL
options IPFIREWALL_FORWARD
options IPFIREWALL_DEFAULT_TO_ACCEPT
options IPFIREWALL_VERBOSE
options IPFIREWALL_VERBOSE_LIMIT=80
device ata
device atadisk # ATA disk drives
options ATA_STATIC_ID # Static device numbering

# Debugging
options         ALT_BREAK_TO_DEBUGGER
options         DDB
options         KDB

# Pseudo devices
device          random
device          pty
device          loop
device          md                      # Memory Disks
# Serial ports
device          uart

# Networking
device          ether
device          mge                     # Marvell Gigabit Ethernet controller
device          mii
device          e1000phy
device          bpf
options         HZ=1000
options         DEVICE_POLLING
device          vlan

# USB
options         USB_DEBUG       # enable debug msgs
device          usb
device          ehci
device          umass
device          scbus
device          pass
device          da

# Flattened Device Tree
options         FDT
options         FDT_DTB_STATIC
makeoptions     FDT_DTS_FILE=sheevaplug.dts


>How-To-Repeat:
run "portsnap fetch" on a guruplug server+ with the above configuration.
>Fix:


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


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