[meta-xilinx] Oops when starting Init. kernel access of bad area, sig: 11
Martin Townsend
martin.townsend at xsilon.com
Thu Dec 5 11:49:31 PST 2013
Just to let you know mdev does work and it now boots to the login prompt.
Best Regards,
Martin.
On 05/12/13 15:28, Martin Townsend wrote:
> I've changed to using the external toolchain that comes with the
> latest SDK and have switched to using the "dora" branches and it how
> hangs after starting udev, I say hangs but it may be losing the
> console as I can still ping the board, boot log attached.
>
> Any ideas on how to debug this problem. I've tried changing the log
> level in udev.conf. CONFIG_DEVTMPFS_MOUNT is set to Y.
>
> Best Regards,
> Martin
>
> [ 0.000000] Early console on uartlite at 0x40600000
> [ 0.000000] bootconsole [earlyser0] enabled
> [ 0.000000] Ramdisk addr 0x00000000,
> [ 0.000000] FDT at 0xc2000000
> [ 0.000000] Linux version 3.10.0 (martin at statler-ubuntu) (gcc
> version 4.6.4 20120924 (Xilinx 14.1 Build EDK_P.13 28 Sep 2013)
> (crosstool-NG 1.18.0) ) #1 PREEMPT Thu Dec 5 14:22:37 GMT 2013
> [ 0.000000] setup_cpuinfo: initialising
> [ 0.000000] setup_cpuinfo: Using full CPU PVR support
> [ 0.000000] wt_msr_noirq
> [ 0.000000] setup_memory: max_mapnr: 0x4000
> [ 0.000000] setup_memory: min_low_pfn: 0xc0000
> [ 0.000000] setup_memory: max_low_pfn: 0xc4000
> [ 0.000000] setup_memory: max_pfn: 0xc4000
> [ 0.000000] Zone ranges:
> [ 0.000000] DMA [mem 0xc0000000-0xc3ffffff]
> [ 0.000000] Normal empty
> [ 0.000000] Movable zone start for each node
> [ 0.000000] Early memory node ranges
> [ 0.000000] node 0: [mem 0xc0000000-0xc3ffffff]
> [ 0.000000] On node 0 totalpages: 16384
> [ 0.000000] free_area_init_node: node 0, pgdat c04d17e0,
> node_mem_map c0511000
> [ 0.000000] DMA zone: 128 pages used for memmap
> [ 0.000000] DMA zone: 0 pages reserved
> [ 0.000000] DMA zone: 16384 pages, LIFO batch:3
> [ 0.000000] early_printk_console remapping from 0x40600000 to
> 0xffffd000
> [ 0.000000] pcpu-alloc: s0 r0 d32768 u32768 alloc=1*32768
> [ 0.000000] pcpu-alloc: [0] 0
> [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on.
> Total pages: 16256
> [ 0.000000] Kernel command line: console=ttyUL0,9600n8
> ip=192.168.2.1 rootfstype=nfs root=/dev/nfs rw
> nfsroot=192.168.2.100:/export/ml605-mb-rootfs-02-5
> 2-CB,tcp,nolock,wsize=4096,rsize=4096
> [ 0.000000] PID hash table entries: 256 (order: -2, 1024 bytes)
> [ 0.000000] Dentry cache hash table entries: 8192 (order: 3, 32768
> bytes)
> [ 0.000000] Inode-cache hash table entries: 4096 (order: 2, 16384
> bytes)
> [ 0.000000] Sorting __ex_table...
> [ 0.000000] Memory: 59664k/65536k available (4804k kernel code,
> 5872k reserved, 132k data, 86k bss, 148k init)
> [ 0.000000] Kernel virtual memory layout:
> [ 0.000000] * 0xffffe000..0xfffff000 : fixmap
> [ 0.000000] * 0xffffd000..0xffffe000 : early ioremap
> [ 0.000000] * 0xf0000000..0xffffd000 : vmalloc & ioremap
> [ 0.000000] Preemptible hierarchical RCU implementation.
> [ 0.000000] NR_IRQS:33
> [ 0.000000] /axi at 1/interrupt-controller at 41200000: num_irq=13,
> edge=0xc3a
> [ 0.000000] /axi at 1/axi at 0/timer at 41c00000: irq=1
> [ 0.000000] xilinx_timer_set_mode: shutdown
> [ 0.000000] xilinx_timer_set_mode: periodic
> [ 0.101573] Calibrating delay loop... 48.51 BogoMIPS (lpj=97024)
> [ 0.200665] pid_max: default: 32768 minimum: 301
> [ 0.257559] Mount-cache hash table entries: 512
> [ 0.439138] devtmpfs: initialized
> [ 0.470403] NET: Registered protocol family 16
> [ 0.576438] bio: create slab <bio-0> at 0
> [ 0.615796] usbcore: registered new interface driver usbfs
> [ 0.674475] usbcore: registered new interface driver hub
> [ 0.738237] usbcore: registered new device driver usb
> [ 0.804673] Switching to clocksource xilinx_clocksource
> [ 0.860004] xilinx_timer_set_mode: oneshot
> [ 0.924101] NET: Registered protocol family 2
> [ 0.968249] TCP established hash table entries: 512 (order: 0, 4096
> bytes)
> [ 1.044135] TCP bind hash table entries: 512 (order: -1, 2048 bytes)
> [ 1.119425] TCP: Hash tables configured (established 512 bind 512)
> [ 1.196352] TCP: reno registered
> [ 1.231863] UDP hash table entries: 256 (order: 0, 4096 bytes)
> [ 1.301755] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)
> [ 1.378928] NET: Registered protocol family 1
> [ 1.433213] RPC: Registered named UNIX socket transport module.
> [ 1.499784] RPC: Registered udp transport module.
> [ 1.555763] RPC: Registered tcp transport module.
> [ 1.612084] RPC: Registered tcp NFSv4.1 backchannel transport module.
> [ 1.719324] GPIO IRQ not connected
> [ 1.743575] XGpio: /axi at 1/gpio at 40060000: registered, base is 248
> [ 1.826581] GPIO IRQ not connected
> [ 1.856133] XGpio: /axi at 1/gpio at 40040000: registered, base is 240
> [ 1.930327] GPIO IRQ not connected
> [ 1.968563] XGpio: /axi at 1/gpio at 40020000: registered, base is 235
> [ 2.045610] GPIO IRQ not connected
> [ 2.081064] XGpio: /axi at 1/gpio at 40000000: registered, base is 230
> [ 2.156276] Skipping unavailable RESET gpio -2 (reset)
> [ 2.229097] NFS: Registering the id_resolver key type
> [ 2.275193] Key type id_resolver registered
> [ 2.324905] Key type id_legacy registered
> [ 2.372956] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red
> Hat, Inc.
> [ 2.458535] msgmni has been set to 116
> [ 2.511756] Block layer SCSI generic (bsg) driver version 0.4
> loaded (major 253)
> [ 2.590634] io scheduler noop registered
> [ 2.637401] io scheduler deadline registered
> [ 2.688742] io scheduler cfq registered (default)
> [ 2.746398] Serial: 8250/16550 driver, 4 ports, IRQ sharing
> disaR 2.831301] 40600000.serial: ttyUL0 at MMIO 0x40600000 (irq =
> 11) is a uartlite
> [ 2.901917] console [ttyUL0] enabled, bootconsole disabled
> [ 2.901917] console [ttyUL0] enabled, bootconsole disabled
> [ 3.100926] brd: module loaded
> [ 3.125185] xsysace 41800000.sysace: Xilinx SystemACE revision 1.0.12
> [ 3.200156] xsysace 41800000.sysace: capacity: 3980592 sectors
> [ 3.278925] xsa: xsa1
> [ 3.301817] Xilinx SystemACE device driver, major=254
> [ 3.379075] a2000000.flash: Found 1 x16 devices at 0x0 in 16-bit
> bank. Manufacturer ID 0x000089 Chip ID 0x008919
> [ 3.485745] Intel/Sharp Extended Query Table at 0x010A
> [ 3.547159] Intel/Sharp Extended Query Table at 0x010A
> [ 3.608605] Intel/Sharp Extended Query Table at 0x010A
> [ 3.670073] Intel/Sharp Extended Query Table at 0x010A
> [ 3.731543] Intel/Sharp Extended Query Table at 0x010A
> [ 3.792983] Using buffer write method
> [ 3.836638] Using auto-unlock on power-up/resume
> [ 3.891845] cfi_cmdset_0001: Erase suspend on write enabled
> [ 3.958553] erase region 0: offset=0x0,size=0x20000,blocks=255
> [ 4.028321] erase region 1: offset=0x1fe0000,size=0x8000,blocks=4
> [ 4.120364] xilinx_axienet a1000000.axi-ethernet: TX_CSUM 0
> [ 4.171871] xilinx_axienet a1000000.axi-ethernet: RX_CSUM 0
> [ 4.240262] libphy: Xilinx Axi Ethernet MDIO: probed
> [ 4.318558] ieee802154hardmac ieee802154hardmac: Added ieee802154
> HardMAC hardware
> [ 4.396757] i2c /dev entries driver
> [ 4.444212] of_xilinx_wdt: driver loaded (timeout=0 sec, nowayout=0)
> [ 4.515386] TCP: cubic registered
> [ 4.551503] NET: Registered protocol family 10
> [ 4.614447] sit: IPv6 over IPv4 tunneling driver
> [ 4.666440] NET: Registered protocol family 17
> [ 4.714353] NET: Registered protocol family 36
> [ 4.766042] Key type dns_resolver registered
> [ 4.863052] DHCP/BOOTP: Ignoring device hardwpan0, MTU 127 too
> smallIP-Config: Guessing netmask 255.255.255.0
> [ 4.967833] IP-Config: Complete:
> [ 5.005000] device=eth0, hwaddr=00:0a:35:02:52:cb,
> ipaddr=192.168.2.1, mask=255.255.255.0, gw=255.255.255.255
> [ 5.129338] host=192.168.2.1, domain=, nis-domain=(none)
> [ 5.197839] bootserver=255.255.255.255,
> rootserver=192.168.2.1004[ 6.860514] libphy: a1000000:07 - Link is
> Up - 100/Half
> [ 7.369827] VFS: Mounted root (nfs filesystem) on device 0:11.
> [ 7.429562] devtmpfs: mounted
> [ 7.460392] Freeing unused kernel memory: 148K (c04d3000 - c04f8000)
> INIT: version 2.88 booting
> Starting udev
>
>
> On 04/12/13 16:36, Martin Townsend wrote:
>> My bad, I had "Optimise for size" enabled in the Kernel which doesn't
>> work with the latest GCC cross compiler. After fixing this I get to
>> the next problem, something is causing a segmentation fault, any
>> ideas as to how I can find out what is causing this?
>>
>> INIT: version 2.88 booting
>> Starting udev
>> Segmentation fault
>> Segmentation fault
>> Segmentation fault
>> Segmentation fault
>> Starting Bootlog daemon: bootlogd: cannot allocate pseudo tty: No
>> such file or directory
>> bootlogd.
>> Populating dev cache
>> hwclock: can't open '/dev/misc/rtc': No such file or directory
>> Fri Nov 29 14:59:00 UTC 2013
>> INIT: Entering runlevel: 5misc/rtc'
>> Configuring network interfaces... ifup skipped for nfsroot interface
>> eth0
>> run-parts: /etc/network/if-pre-up.d/nfsroot exited with code 1
>> hwclock: can't open '/dev/misc/rtc': No such file or directory
>> Starting syslogd/klogd: done
>> Stopping Bootlog daemon: bootlogd.
>> INIT: Id "1" respawning too fast: disabled for 5 minutes
>> INIT: Id "S0" respawning too fast: disabled for 5 minutes
>> INIT: no more processes left in this runlevel
>>
>>
>>
>> On 04/12/13 16:04, Martin Townsend wrote:
>>> Hi,
>>>
>>> I'm getting the following oops, I've checked what lives at
>>> (rPC=C0002EEC) and it looks likes it's the setup_rt_frame function
>>> looking at System.map:
>>>
>>> c00028a8 t setup_sigcontext
>>> c0002cb4 t setup_rt_frame
>>> c0002ff8 t do_signal
>>>
>>> Here's the console output, any help is greatly appreciated.
>>>
>>> Best Regards,
>>> Martin
>>>
>>>
>>> Bytes transferred = 4730836 (482fd4 hex)
>>> ## Booting kernel from Legacy Image at c1000000 ...
>>> Image Name: Linux-3.10.0
>>> Image Type: MicroBlaze Linux Kernel Image (uncompressed)
>>> Data Size: 4730772 Bytes = 4.5 MiB
>>> Load Address: c0000000
>>> Entry Point: c0000000
>>> Verifying Checksum ... OK
>>> ## Flattened Device Tree blob at c2000000
>>> Booting using the fdt blob at 0xc2000000
>>> Loading Kernel Image ... OK
>>> OK
>>> Early console on uartlite at 0x40600000
>>> bootconsole [earlyser0] enabled
>>> Ramdisk addr 0x00000000,
>>> FDT at 0xc2000000
>>> Linux version 3.10.0 (martin at statler-ubuntu) (gcc version 4.8.2
>>> (GCC) ) #1 PREEMPT Wed Dec 4 13:20:02 GMT 2013
>>> setup_cpuinfo: initialising
>>> setup_cpuinfo: Using full CPU PVR support
>>> wt_msr_noirq
>>> setup_memory: max_mapnr: 0x4000
>>> setup_memory: min_low_pfn: 0xc0000
>>> setup_memory: max_low_pfn: 0xc4000
>>> setup_memory: max_pfn: 0xc4000
>>> Zone ranges:
>>> DMA [mem 0xc0000000-0xc3ffffff]
>>> Normal empty
>>> Movable zone start for each node
>>> Early memory node ranges
>>> node 0: [mem 0xc0000000-0xc3ffffff]
>>> On node 0 totalpages: 16384
>>> free_area_init_node: node 0, pgdat c045e508, node_mem_map c049b000
>>> DMA zone: 128 pages used for memmap
>>> DMA zone: 0 pages reserved
>>> DMA zone: 16384 pages, LIFO batch:3
>>> early_printk_console remapping from 0x40600000 to 0xffffd000
>>> pcpu-alloc: s0 r0 d32768 u32768 alloc=1*32768
>>> pcpu-alloc: [0] 0
>>> Built 1 zonelists in Zone order, mobility grouping on. Total pages:
>>> 16256
>>> Kernel command line: console=ttyUL0,9600n8 ip=192.168.2.1
>>> rootfstype=nfs root=/dev/nfs rw
>>> nfsroot=192.168.2.100:/export/ml605-mb-rootfs-02-52-CB,tcp,nolock,wsize=4096,rsize=4096
>>> PID hash table entries: 256 (order: -2, 1024 bytes)
>>> Dentry cache hash table entries: 8192 (order: 3, 32768 bytes)
>>> Inode-cache hash table entries: 4096 (order: 2, 16384 bytes)
>>> Sorting __ex_table...
>>> Memory: 60136k/65536k available (4352k kernel code, 5400k reserved,
>>> 123k data, 86k bss, 143k init)
>>> Kernel virtual memory layout:
>>> * 0xffffe000..0xfffff000 : fixmap
>>> * 0xffffd000..0xffffe000 : early ioremap
>>> * 0xf0000000..0xffffd000 : vmalloc & ioremap
>>> Preemptible hierarchical RCU implementation.
>>> NR_IRQS:33
>>> /axi at 1/interrupt-controller at 41200000: num_irq=13, edge=0xc3a
>>> /axi at 1/axi at 0/timer at 41c00000: irq=1
>>> xilinx_timer_set_mode: shutdown
>>> xilinx_timer_set_mode: periodic
>>> Calibrating delay loop... 48.70 BogoMIPS (lpj=97408)
>>> pid_max: default: 32768 minimum: 301
>>> Mount-cache hash table entries: 512
>>> devtmpfs: initialized
>>> NET: Registered protocol family 16
>>> bio: create slab <bio-0> at 0
>>> usbcore: registered new interface driver usbfs
>>> usbcore: registered new interface driver hub
>>> usbcore: registered new device driver usb
>>> Switching to clocksource xilinx_clocksource
>>> xilinx_timer_set_mode: oneshot
>>> NET: Registered protocol family 2
>>> TCP established hash table entries: 512 (order: 0, 4096 bytes)
>>> TCP bind hash table entries: 512 (order: -1, 2048 bytes)
>>> TCP: Hash tables configured (established 512 bind 512)
>>> TCP: reno registered
>>> UDP hash table entries: 256 (order: 0, 4096 bytes)
>>> UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)
>>> NET: Registered protocol family 1
>>> RPC: Registered named UNIX socket transport module.
>>> RPC: Registered udp transport module.
>>> RPC: Registered tcp transport module.
>>> RPC: Registered tcp NFSv4.1 backchannel transport module.
>>> GPIO IRQ not connected
>>> XGpio: /axi at 1/gpio at 40060000: registered, base is 248
>>> GPIO IRQ not connected
>>> XGpio: /axi at 1/gpio at 40040000: registered, base is 240
>>> GPIO IRQ not connected
>>> XGpio: /axi at 1/gpio at 40020000: registered, base is 235
>>> GPIO IRQ not connected
>>> XGpio: /axi at 1/gpio at 40000000: registered, base is 230
>>> Skipping unavailable RESET gpio -2 (reset)
>>> jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc.
>>> msgmni has been set to 117
>>> Block layer SCSI generic (bsg) driver version 0.4 loaded (major 252)
>>> io scheduler noop registered
>>> io scheduler deadline registered
>>> io scheduler cfq registered (default)
>>> Serial: 8250/16550 driver, 4 ports, IRQ sharing disa00600000.serial:
>>> ttyUL0 at MMIO 0x40600000 (irq = 11) is a uartlite
>>> console [ttyUL0] enabled, bootconsole disabled
>>> console [ttyUL0] enabled, bootconsole disabled
>>> brd: module loaded
>>> xsysace 41800000.sysace: Xilinx SystemACE revision 1.0.12
>>> xsysace 41800000.sysace: capacity: 3980592 sectors
>>> xsa: xsa1
>>> Xilinx SystemACE device driver, major=254
>>> a2000000.flash: Found 1 x16 devices at 0x0 in 16-bit bank.
>>> Manufacturer ID 0x000089 Chip ID 0x008919
>>> Intel/Sharp Extended Query Table at 0x010A
>>> Intel/Sharp Extended Query Table at 0x010A
>>> Intel/Sharp Extended Query Table at 0x010A
>>> Intel/Sharp Extended Query Table at 0x010A
>>> Intel/Sharp Extended Query Table at 0x010A
>>> Using buffer write method
>>> Using auto-unlock on power-up/resume
>>> cfi_cmdset_0001: Erase suspend on write enabled
>>> erase region 0: offset=0x0,size=0x20000,blocks=255
>>> erase region 1: offset=0x1fe0000,size=0x8000,blocks=4
>>> xilinx_axienet a1000000.axi-ethernet: TX_CSUM 0
>>> xilinx_axienet a1000000.axi-ethernet: RX_CSUM 0
>>> libphy: Xilinx Axi Ethernet MDIO: probed
>>> i2c /dev entries driver
>>> of_xilinx_wdt: driver loaded (timeout=0 sec, nowayout=0)
>>> TCP: cubic registered
>>> NET: Registered protocol family 10
>>> sit: IPv6 over IPv4 tunneling driver
>>> NET: Registered protocol family 17
>>> drivers/rtc/hctosys.c: unable to open rtc device (rtc0)
>>> IP-Config: Guessing netmask 255.255.255.0
>>> IP-Config: Complete:
>>> device=eth0, hwaddr=00:0a:35:02:52:cb, ipaddr=192.168.2.1,
>>> mask=255.255.255.0, gw=255.255.255.255
>>> host=192.168.2.1, domain=, nis-domain=(none)
>>> bootserver=255.255.255.255, rootserver=192.168.2.1000libphy:
>>> a1000000:07 - Link is Up - 100/Half
>>> VFS: Mounted root (nfs filesystem) on device 0:11.
>>> devtmpfs: mounted
>>> Freeing unused kernel memory: 140K (c045f000 - c0482000)
>>> INIT: version 2.88 booting
>>> Oops: kernel access of bad area, sig: 11
>>> CPU: 0 PID: 33 Comm: init Not tainted 3.10.0 #1
>>> task: c391a0a0 ti: c3a06000 task.ti: c3a06000
>>> Registers dump: mode=C3A07D9C
>>> r1=00010000, r2=00000000, r3=000C0000, r4=C0000000
>>> r5=00000DCC, r6=00000001, r7=00000008, r8=BFB7393C
>>> r9=BFB73938, r10=FFFFFFF2, r11=00000004, r12=00000078
>>> r13=00000000, r14=BFB73980, r15=C0002EB8, r16=00000000
>>> r17=C0002EEC, r18=000000F2, r19=BFB73818, r20=48191FF4
>>> r21=48196470, r22=C3A07F68, r23=0000000B, r24=C3A06000
>>> r25=BFB73950, r26=0000000B, r27=C3A07F28, r28=BFB73898
>>> r29=FFFFFFFA, r30=00000000, r31=C391A0A0, rPC=C0002EEC
>>> msr=800046A6, ear=00000DCC, esr=000008B2, fsr=BFB7395C
>>> note: init[33] exited with preempt_count 2
>>> BUG: scheduling while atomic: init/33/0x10000003
>>> Modules linked in:
>>> CPU: 0 PID: 33 Comm: init Not tainted 3.10.0 #1
>>> Kernel Stack:
>>> c3a07a5c: c037ea94
>>> c3a07a60: c3a07a50 00000000 c0384cb4 c0012850 c3a07a78 00000001
>>> c0384ce4 c0398b24
>>> c3a07a80: c391a258 00000021 10000003 00000000 00000000 c3a07a98
>>> c0038110 c006dd54
>>> c3a07aa0: 00400044 fffee425 00000000 00000000 c0012cc8 c3a07adc
>>> 00000000 c39ff1e0
>>> c3a07ac0: 10008000 c3a07bc8 00000000 10008000 10008000 c39f0104
>>> 00030001 c0385a70
>>> c3a07ae0: c3a07ae0 c3a07ae0 800065a6 c044f0fc c045e508 c007ee94
>>> c3a07afc c007eb58
>>> c3a07b00: c006d2e8 00000001 c3a06000 00030001 10008000 00000000
>>> 10008000 c007f7e8
>>> c3a07b20: c048eed8 c048eed8 000065a0 00000001 c044f0fc 00000000
>>> 00000000 00000000
>>> c3a07b40: 00000000 c39f0100 00000028 00000000 c3a06000 c39f1c60
>>> c39ff1e0 ffffffff
>>> c3a07b60: c3a07bc8 00000000 c3a06000 c3a07c58 00000001 00000028
>>> c3a06000 00030001
>>> c3a07b80: c0085874 c39ff1e0 c39f1c60 00000000 c0085848 00000000
>>> 00000000 c39ff1e0
>>> c3a07ba0: c39f1c60 00000000 c39f1c98 c0007bc8 c391a0a0 c000cdac
>>> 800045a4 c038659c
>>> c3a07bc0: 0000002a c0386580 c39f1c60 ffffffff 00000000 c01d94ea
>>> c3a07bdc 00000000
>>> c3a07be0: 00000000 00000008 800065a6 c3915a4c 00000000 c0007bbc
>>> 00000000 c0032c14
>>> c3a07c00: c03922a8 c3a06000 00000000 c39f1c60 00000000 00000000
>>> c000f330 c000f308
>>> c3a07c20: c000f2fc 00000083 c391a0a0 0000000b c391a0a0 c391a0a0
>>> c39f1c60 c0000f6c
>>> c3a07c40: c0392c08 c391a258 00000021 00000002 00000400 00000000
>>> 00000000 c39f1c60
>>> c3a07c60: 000008b2 0000000b c3a07d9c c03922a8 c3a06000 00000000
>>> c39f1c60 000008b2
>>> c3a07c80: 00000028 c3a06000 00030001 c0006f98 c0390000 c03922a8
>>> 0000000b bfb7393c
>>> c3a07ca0: bfb73938 fffffff2 c3a07d9c 00000dcc 0000000b c00073b4
>>> bfb73954 c0007340
>>> c3a07cc0: 0000000b c3a07d8c c0005c68 c00382f8 0000000b c3a07d9c
>>> c0005c68 bfb73818
>>> c3a07ce0: c3a07f68 0000000b c3a06000 c391a298 0000000b c3a07f28
>>> bfb73898 00000000
>>> c3a07d00: fffffff2 c009176c c3a07d20 00000000 fffffff2 fffffff2
>>> bfb73944 00010000
>>> c3a07d20: 00010000 bfb7393c bfb73938 fffffff2 00000004 00000078
>>> 00000000 c391a0a0
>>> c3a07d40: c0002df8 00000000 c0002ca0 00000014 bfb73818 48191ff4
>>> 48196470 c3a07f68
>>> c3a07d60: 0000000b c3a06000 c391a298 0000000b c3a07f28 bfb73818
>>> c3a07f68 0000000b
>>> c3a07d80: c3a06000 bfb73950 0000000b c3a07f28 bfb73898 fffffffa
>>> 00000000 00000000
>>> c3a07da0: 00010000 00000000 000c0000 c0000000 00000dcc 00000001
>>> 00000008 bfb7393c
>>> c3a07dc0: bfb73938 fffffff2 00000004 00000078 00000000 bfb73980
>>> c0002eb8 00000000
>>> c3a07de0: c0002eec 000000f2 bfb73818 48191ff4 48196470 c3a07f68
>>> 0000000b c3a06000
>>> c3a07e00: bfb73950 0000000b c3a07f28 bfb73898 fffffffa 00000000
>>> c391a0a0 c0002eec
>>> c3a07e20: 800046a6 00000dcc 000008b2 bfb7395c c3a07d9c c00030d0
>>> c3a07ea8 c3a06000
>>> c3a07e40: 00000000 0000000b c0003028 c39f1c60 b9cc0008 318000ad
>>> 00000000 00000000
>>> c3a07e60: c39f0000 c3a07f68 c3a06000 0000000b 00000000 00000020
>>> 00000003 00000000
>>> c3a07e80: 00000000 00000000 00000000 c0003520 c39ffe40 c39f1c98
>>> 00000000 c39f1c60
>>> c3a07ea0: 00000000 c0005c68 0000000b 00000000 00030001 bfb73960
>>> cc8cdc88 5cc4cccc
>>> c3a07ec0: cccc88ac c01d9384 c044c948 00000007 00000000 ffebb009
>>> c3a0603c 000065a8
>>> c3a07ee0: 00000000 88c8cccc c00055f4 00000000 c0038738 77e69f94
>>> c3a07f44 00000000
>>> c3a07f00: 00000000 00000000 00000000 00000000 00000000 00000000
>>> 00000000 00000000
>>> c3a07f20: 00000000 00000000 10003264 10000000 480204f4 00000000
>>> c3a06000 00000000
>>> c3a07f40: bfb73980 00000000 c0005ca8 00000000 00000020 00000003
>>> 00000000 00000000
>>> c3a07f60: 00000000 00000004 00000078 bfb7395c 00000000 00000000
>>> 480aacd4 48196470
>>> c3a07f80: 00000000 00000000 00000000 48196068 00000000 00000035
>>> 00000078 00000000
>>> c3a07fa0: 00000000 bfb73948 00000000 480aacd8 7ffff000 bfb73970
>>> 48191ff4 48196470
>>> c3a07fc0: 00000000 bfb73980 00000000 00000020 00000003 00000000
>>> 00000000 00000000
>>> c3a07fe0: 00000000 00000000 480aacd8 000056a2 bfb73960 00000e92
>>> 00000000 00000000
>>>
>>>
>>> Call Trace:
>>> [<c0003c14>] microblaze_unwind+0x44/0x68
>>> [<c0003930>] show_stack+0x11c/0x15c
>>> [<c03801ec>] dump_stack+0x20/0x38
>>> [<c037ea90>] __schedule_bug+0x54/0x8c
>>> [<c0384ce0>] __schedule+0x8c/0x5c0
>>> [<c003810c>] __cond_resched+0x1c/0x4c
>>> [<c0385a6c>] _cond_resched+0x38/0x5c
>>> [<c007eb54>] unmap_single_vma+0x178/0x518
>>> [<c007f7e4>] unmap_vmas+0x48/0x74
>>> [<c0085870>] exit_mmap+0x58/0x1b0
>>> [<c0007bc4>] mmput+0x44/0x120
>>> [<c000f32c>] do_exit+0x30c/0x908
>>> [<c0000f68>] die+0xa4/0xb0
>>> [<c0006f94>] bad_page_fault+0x3c/0x58
>>> [<c00073b0>] do_page_fault+0x400/0x4b8
>>> [<c0005c64>] page_fault_instr_trap+0x174/0x180
>>>
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