I still haven't made it yet. The insteresting thing is the SDK linux version (2.6.37) does not have kgdb ethernet support, though it is the method that been documented in TI's docuemnt. I suppost it required some patch, though I don't know where to get it from. Thanks, Ran
On Fri, Aug 1, 2014 at 7:55 AM, Jegathesan Durairaj <itje...@gmail.com> wrote: > Let me know if you come across this issue. This will also help me. Let me > also look into different kernel version and KGDB patch for fix. > > > On Fri, Aug 1, 2014 at 10:25 AM, Jegathesan Durairaj <itje...@gmail.com> > wrote: > >> Using same uart for console and kgdb shouldn't create any problem as far >> I knew. Because it worked for me for single processor during boot-time. But >> there could be some malfunction with KGDB with Kernel version. I am using >> 2.6.34. >> >> >> On Thu, Jul 31, 2014 at 3:57 PM, Ran Shalit <ransha...@gmail.com> wrote: >> >>> Hi Jegathesan, >>> >>> I tried to add kgdbwait and tried the 3 oprtions below for kgdboc, but >>> all of the fail in the same way... >>> I thought that maybe this problem is related to using same uart as >>> console. Another thing is that maybe the kgdb in this SDK is >>> mallfunctioning and should be patched for version 2.6.37 ? >>> >>> 1. >>> bootargs=console=ttyO0,115200N8 ip=10.0.0.2 *kgdboc=ttyS0,115200N8 >>> kgdbwait >>> *nfsroot=10.0.0.1:/mnt/DVR_NEW/DVRRDK_04.01.00.02/target/rfs_814x,nolock >>> root=/dev/nfs rw rootdelay=15 earlyprintk notifyk.vpssm3_sva=0xBFD00000 >>> mem=128M ddr_mem=512M vram=50M >>> >>> 2. >>> bootargs=console=ttyO0,115200N8 ip=10.0.0.2 *kgdboc=ttyS0,115200 >>> kgdbwait >>> *nfsroot=10.0.0.1:/mnt/DVR_NEW/DVRRDK_04.01.00.02/target/rfs_814x,nolock >>> root=/dev/nfs rw rootdelay=15 earlyprintk notifyk.vpssm3_sva=0xBFD00000 >>> mem=128M ddr_mem=512M vram=50M >>> >>> 3. >>> bootargs=console=ttyO0,115200N8 ip=10.0.0.2 *kgdboc=ttyS0 kgdbwait * >>> nfsroot=10.0.0.1:/mnt/DVR_NEW/DVRRDK_04.01.00.02/target/rfs_814x,nolock >>> root=/dev/nfs rw rootdelay=15 earlyprintk notifyk.vpssm3_sva=0xBFD00000 >>> mem=128M ddr_mem=512M vram=50M >>> >>> Thanks, >>> Ran >>> >>> >>> On Thu, Jul 31, 2014 at 12:45 PM, Jegathesan Durairaj <itje...@gmail.com >>> > wrote: >>> >>>> can you add kgdbwait at boot-cmd and test with >>>> ttys0,115200, ttys0,115200N8 and ttys0 for kgdboc. do everything in boot >>>> environment variable. It worked for single process system. Triggering KGDB >>>> at run-time failed with same reason what you said. But I was able to do >>>> debugging from the boot-up. >>>> >>>> >>>> On Thu, Jul 31, 2014 at 2:03 PM, Ran Shalit <ransha...@gmail.com> >>>> wrote: >>>> >>>>> No, It is not set (It does not exist in .config) >>>>> >>>>> $ cat .config | grep "SMP" >>>>> CONFIG_BROKEN_ON_SMP=y >>>>> # CONFIG_VIDEO_VP27SMPX is not set >>>>> >>>>> Thanks, Ran >>>>> >>>>> >>>>> On Thu, Jul 31, 2014 at 11:20 AM, Jegathesan Durairaj < >>>>> itje...@gmail.com> wrote: >>>>> >>>>>> check CONFIG_SMP in .config file. Is it set or NOT? >>>>>> >>>>>> >>>>>> On Thu, Jul 31, 2014 at 1:29 PM, Ran Shalit <ransha...@gmail.com> >>>>>> wrote: >>>>>> >>>>>>> No, DM8148 Soc has only one ARM Cortex-A8 Core (ARMv7 Architecture). >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> On Thu, Jul 31, 2014 at 10:50 AM, Jegathesan Durairaj < >>>>>>> itje...@gmail.com> wrote: >>>>>>> >>>>>>>> Is it SMP? >>>>>>>> On 31/07/2014 1:18 pm, "Ran Shalit" <ransha...@gmail.com> wrote: >>>>>>>> >>>>>>>>> Hi Jonathan, >>>>>>>>> >>>>>>>>> Thanks for the assistance. >>>>>>>>> On stty I get: >>>>>>>>> root@dm814x:/media/sda1# stty >>>>>>>>> speed 115200 baud; line = 0; >>>>>>>>> intr = ^C; quit = ^\; erase = ^?; kill = ^U; eof = ^D; eol = >>>>>>>>> <undef>; >>>>>>>>> eol2 = <undef>; swtch = <undef>; start = ^Q; stop = ^S; susp = ^Z; >>>>>>>>> rprnt = ^R; >>>>>>>>> werase = ^W; lnext = ^V; flush = ^O; min = 1; time = 0; >>>>>>>>> -brkint ixoff -imaxbel >>>>>>>>> -iexten >>>>>>>>> So I tried to *ttyS0,115200N8* , but I get the same error >>>>>>>>> pointing to function uart_get_baud_rate (That;s strage, doesn't >>>>>>>>> uart_get_baud_rate is called when using stty too ?) >>>>>>>>> root@dm814x:~# *echo ttyS0,115200N8* > >>>>>>>>> /sys/module/kgdboc/parameters/kgdboc >>>>>>>>> ------------[ cut here ]------------ >>>>>>>>> WARNING: at drivers/serial/serial_core.c:399 >>>>>>>>> uart_get_baud_rate+0x124/0x138() >>>>>>>>> Modules linked in: >>>>>>>>> Backtrace: >>>>>>>>> >>>>>>>>> I later tried to define it all from boot, but I get the same >>>>>>>>> exception at boot. >>>>>>>>> I've added complete log below. >>>>>>>>> Thanks, >>>>>>>>> Ran >>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> Starting kernel ... >>>>>>>>> >>>>>>>>> Uncompressing Linux... done, booting the kernel. >>>>>>>>> Linux version 2.6.37 (ubuntu@ubuntu-laptop) (gcc version 4.5.3 >>>>>>>>> 20110311 (prerelease) (GCC) ) #6 Thu Jul 31 09:12:03 IDT 2014 >>>>>>>>> CPU: ARMv7 Processor [413fc082] revision 2 (ARMv7), cr=10c53c7f >>>>>>>>> CPU: VIPT nonaliasing data cache, VIPT aliasing instruction cache >>>>>>>>> Machine: ti8148evm >>>>>>>>> bootconsole [earlycon0] enabled >>>>>>>>> vram size = 52428800 at 0x0 >>>>>>>>> ti81xx_reserve: ### Reserved DDR region @87f00000 >>>>>>>>> reserved size = 52428800 at 0x0 >>>>>>>>> FB: Reserving 52428800 bytes SDRAM for VRAM >>>>>>>>> Memory policy: ECC disabled, Data cache writeback >>>>>>>>> OMAP chip is TI8148 2.1 >>>>>>>>> SRAM: Mapped pa 0x402f1000 to va 0xfe400000 size: 0xf000 >>>>>>>>> Built 1 zonelists in Zone order, mobility grouping on. Total >>>>>>>>> pages: 19456 >>>>>>>>> Kernel command line: console=ttyO0,115200n8 ip=10.0.0.2 >>>>>>>>> nfsroot=10.0.0.1:/mnt/DVR_NEW/DVRRDK_04.01.00.02/target/rfs_814x,nolock >>>>>>>>> root=/dev/nfs rw rootdelay=15 earlyprintk >>>>>>>>> notifyk.vpssm3_sva=0xBFD00000 >>>>>>>>> mem=128M ddr_mem=512M vram=50M >>>>>>>>> PID hash table entries: 512 (order: -1, 2048 bytes) >>>>>>>>> Dentry cache hash table entries: 16384 (order: 4, 65536 bytes) >>>>>>>>> Inode-cache hash table entries: 8192 (order: 3, 32768 bytes) >>>>>>>>> Memory: 76MB 1MB = 77MB total >>>>>>>>> Memory: 71620k/71620k available, 59452k reserved, 0K highmem >>>>>>>>> Virtual kernel memory layout: >>>>>>>>> vector : 0xffff0000 - 0xffff1000 ( 4 kB) >>>>>>>>> fixmap : 0xfff00000 - 0xfffe0000 ( 896 kB) >>>>>>>>> DMA : 0xffc00000 - 0xffe00000 ( 2 MB) >>>>>>>>> vmalloc : 0xc8800000 - 0xf8000000 ( 760 MB) >>>>>>>>> lowmem : 0xc0000000 - 0xc8000000 ( 128 MB) >>>>>>>>> pkmap : 0xbfe00000 - 0xc0000000 ( 2 MB) >>>>>>>>> modules : 0xbf000000 - 0xbfe00000 ( 14 MB) >>>>>>>>> .init : 0xc0008000 - 0xc0042000 ( 232 kB) >>>>>>>>> .text : 0xc0042000 - 0xc0551000 (5180 kB) >>>>>>>>> .data : 0xc0552000 - 0xc05a8c80 ( 348 kB) >>>>>>>>> SLUB: Genslabs=11, HWalign=64, Order=0-3, MinObjects=0, CPUs=1, >>>>>>>>> Nodes=1 >>>>>>>>> NR_IRQS:407 >>>>>>>>> IRQ: Found an INTC at 0xfa200000 (revision 5.0) with 128 interrupts >>>>>>>>> Total of 128 interrupts on 1 active controller >>>>>>>>> GPMC revision 6.0 >>>>>>>>> Trying to install interrupt handler for IRQ400 >>>>>>>>> Trying to install interrupt handler for IRQ401 >>>>>>>>> Trying to install interrupt handler for IRQ402 >>>>>>>>> Trying to install interrupt handler for IRQ403 >>>>>>>>> Trying to install interrupt handler for IRQ404 >>>>>>>>> Trying to install interrupt handler for IRQ405 >>>>>>>>> Trying to install interrupt handler for IRQ406 >>>>>>>>> Trying to install type control for IRQ407 >>>>>>>>> Trying to set irq flags for IRQ407 >>>>>>>>> OMAP clockevent source: GPTIMER1 at 20000000 Hz >>>>>>>>> Console: colour dummy device 80x30 >>>>>>>>> Calibrating delay loop... 719.25 BogoMIPS (lpj=3596288) >>>>>>>>> pid_max: default: 32768 minimum: 301 >>>>>>>>> Security Framework initialized >>>>>>>>> Mount-cache hash table entries: 512 >>>>>>>>> CPU: Testing write buffer coherency: ok >>>>>>>>> devtmpfs: initialized >>>>>>>>> TI81XX: Map 0x87f00000 to 0xfe500000 for dram barrier >>>>>>>>> TI81XX: Map 0x40300000 to 0xfe600000 for sram barrier >>>>>>>>> omap_voltage_early_init: voltage driver support not added >>>>>>>>> regulator: core version 0.5 >>>>>>>>> regulator: dummy: >>>>>>>>> NET: Registered protocol family 16 >>>>>>>>> omap_voltage_domain_lookup: Voltage driver init not yet >>>>>>>>> happened.Faulting! >>>>>>>>> omap_voltage_add_dev: VDD specified does not exist! >>>>>>>>> OMAP GPIO hardware version 0.1 >>>>>>>>> OMAP GPIO hardware version 0.1 >>>>>>>>> OMAP GPIO hardware version 0.1 >>>>>>>>> OMAP GPIO hardware version 0.1 >>>>>>>>> omap_mux_init: Add partition: #1: core, flags: 4 >>>>>>>>> NOR: Can't request GPMC CS >>>>>>>>> clk get on i2c3 fck failed >>>>>>>>> Cannot clk_get ck_32 >>>>>>>>> Debugfs: Only enabling/disabling deep sleep and wakeup timer is >>>>>>>>> supported now >>>>>>>>> registered ti81xx_vpss device >>>>>>>>> registered ti81xx_vidout device >>>>>>>>> registered ti81xx on-chip HDMI device >>>>>>>>> registered ti81xx_fb device >>>>>>>>> registered ti81xx_vin device >>>>>>>>> NSS Crypto DMA hardware revision 1.9 @ IRQ 116 >>>>>>>>> ti81xx_pcie: Invoking PCI BIOS... >>>>>>>>> ti81xx_pcie: Setting up Host Controller... >>>>>>>>> ti81xx_pcie: Register base mapped @0xc8830000 >>>>>>>>> ti81xx_pcie: forcing link width - x1 >>>>>>>>> ti81xx_pcie: Starting PCI scan... >>>>>>>>> PCI: bus0: Fast back to back transfers enabled >>>>>>>>> ti81xx_pcie: PCI scan done. >>>>>>>>> bio: create slab <bio-0> at 0 >>>>>>>>> vgaarb: loaded >>>>>>>>> SCSI subsystem initialized >>>>>>>>> usbcore: registered new interface driver usbfs >>>>>>>>> usbcore: registered new interface driver hub >>>>>>>>> usbcore: registered new device driver usb >>>>>>>>> USBSS revision 4ea2080b >>>>>>>>> registerd cppi-dma Intr @ IRQ 17 >>>>>>>>> Cppi41 Init Done >>>>>>>>> omap_i2c omap_i2c.1: bus 1 rev4.0 at 400 kHz >>>>>>>>> pcf857x 1-0021: gpios 128..143 on a pcf8575 >>>>>>>>> regulator: VRTC: 1800 mV >>>>>>>>> regulator: VIO: 1500 mV >>>>>>>>> regulator: VDD1: 600 <--> 1500 mV at 1200 mV >>>>>>>>> regulator: VDD2: 600 <--> 1500 mV at 1200 mV >>>>>>>>> regulator: VDDCTRL: 600 <--> 1400 mV at 1200 mV >>>>>>>>> regulator: LDO1: 1100 <--> 3300 mV at 1800 mV >>>>>>>>> regulator: LDO2: 1100 <--> 3300 mV at 1800 mV >>>>>>>>> regulator: LDO3: 1100 <--> 3300 mV at 3300 mV >>>>>>>>> regulator: LDO4: 1100 <--> 3300 mV at 1800 mV >>>>>>>>> regulator: LDO5: 1100 <--> 3300 mV at 3300 mV >>>>>>>>> regulator: LDO6: 1100 <--> 3300 mV at 3300 mV >>>>>>>>> regulator: LDO7: 1100 <--> 3300 mV at 3300 mV >>>>>>>>> regulator: LDO8: 1100 <--> 3300 mV at 1800 mV >>>>>>>>> tps65910 1-002d: No interrupt support, no core IRQ >>>>>>>>> omap_i2c omap_i2c.3: bus 3 rev4.0 at 400 kHz >>>>>>>>> Advanced Linux Sound Architecture Driver Version 1.0.23. >>>>>>>>> Switching to clocksource gp timer >>>>>>>>> musb-hdrc: version 6.0, host, debug=0 >>>>>>>>> musb-hdrc musb-hdrc.0: dma type: dma-cppi41 >>>>>>>>> MUSB controller-0 revision 4ea20800 >>>>>>>>> usb2phy: computed values rxcalib(15)DACs(34 13 13) >>>>>>>>> usb2phy: override computed values rxcalib(15)DACs(34 13 13) >>>>>>>>> usb2phy_config: musb(0) rxcalib done, rxcalib read value 6f715b6e >>>>>>>>> musb-hdrc musb-hdrc.0: MUSB HDRC host driver >>>>>>>>> musb-hdrc musb-hdrc.0: new USB bus registered, assigned bus number >>>>>>>>> 1 >>>>>>>>> usb usb1: New USB device found, idVendor=1d6b, idProduct=0002 >>>>>>>>> usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 >>>>>>>>> usb usb1: Product: MUSB HDRC host driver >>>>>>>>> usb usb1: Manufacturer: Linux 2.6.37 musb-hcd >>>>>>>>> usb usb1: SerialNumber: musb-hdrc.0 >>>>>>>>> hub 1-0:1.0: USB hub found >>>>>>>>> hub 1-0:1.0: 1 port detected >>>>>>>>> musb-hdrc musb-hdrc.0: USB Host mode controller at c881e000 using >>>>>>>>> DMA, IRQ 18 >>>>>>>>> musb-hdrc musb-hdrc.1: dma type: dma-cppi41 >>>>>>>>> MUSB controller-1 revision 4ea20800 >>>>>>>>> usb2phy: computed values rxcalib(15)DACs(31 13 12) >>>>>>>>> usb2phy: override computed values rxcalib(15)DACs(31 13 12) >>>>>>>>> usb2phy_config: musb(1) rxcalib done, rxcalib read value 6f6fdb66 >>>>>>>>> musb-hdrc musb-hdrc.1: MUSB HDRC host driver >>>>>>>>> musb-hdrc musb-hdrc.1: new USB bus registered, assigned bus number >>>>>>>>> 2 >>>>>>>>> usb usb2: New USB device found, idVendor=1d6b, idProduct=0002 >>>>>>>>> usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 >>>>>>>>> usb usb2: Product: MUSB HDRC host driver >>>>>>>>> usb usb2: Manufacturer: Linux 2.6.37 musb-hcd >>>>>>>>> usb usb2: SerialNumber: musb-hdrc.1 >>>>>>>>> hub 2-0:1.0: USB hub found >>>>>>>>> hub 2-0:1.0: 1 port detected >>>>>>>>> musb-hdrc musb-hdrc.1: USB Host mode controller at c882a800 using >>>>>>>>> DMA, IRQ 19 >>>>>>>>> NET: Registered protocol family 2 >>>>>>>>> IP route cache hash table entries: 1024 (order: 0, 4096 bytes) >>>>>>>>> TCP established hash table entries: 4096 (order: 3, 32768 bytes) >>>>>>>>> TCP bind hash table entries: 4096 (order: 2, 16384 bytes) >>>>>>>>> TCP: Hash tables configured (established 4096 bind 4096) >>>>>>>>> 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 udp transport module. >>>>>>>>> RPC: Registered tcp transport module. >>>>>>>>> RPC: Registered tcp NFSv4.1 backchannel transport module. >>>>>>>>> NetWinder Floating Point Emulator V0.97 (double precision) >>>>>>>>> PMU: registered new PMU device of type 0 >>>>>>>>> omap-iommu omap-iommu.0: ducati registered >>>>>>>>> omap-iommu omap-iommu.1: sys registered >>>>>>>>> JFFS2 version 2.2. (NAND) © 2001-2006 Red Hat, Inc. >>>>>>>>> msgmni has been set to 139 >>>>>>>>> alg: No test for stdrng (krng) >>>>>>>>> io scheduler noop registered >>>>>>>>> io scheduler deadline registered >>>>>>>>> io scheduler cfq registered (default) >>>>>>>>> nss_rng nss_rng: NSS Random Number Generator ver. 2.0 >>>>>>>>> Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled >>>>>>>>> omap_uart.0: ttyO0 at MMIO 0x48020000 (irq = 72) is a OMAP UART0 >>>>>>>>> console [ttyO0] enabled, bootconsole disabled >>>>>>>>> console [ttyO0] enabled, bootconsole disabled >>>>>>>>> omap_uart.1: ttyO1 at MMIO 0x48022000 (irq = 73) is a OMAP UART1 >>>>>>>>> omap_uart.2: ttyO2 at MMIO 0x48024000 (irq = 74) is a OMAP UART2 >>>>>>>>> omap_uart.3: ttyO3 at MMIO 0x481a6000 (irq = 44) is a OMAP UART3 >>>>>>>>> omap_uart.4: ttyO4 at MMIO 0x481a8000 (irq = 45) is a OMAP UART4 >>>>>>>>> omap_uart.5: ttyO5 at MMIO 0x481aa000 (irq = 46) is a OMAP UART5 >>>>>>>>> brd: module loaded >>>>>>>>> loop: module loaded >>>>>>>>> ahci probe: devid name is ahci >>>>>>>>> ahci CAP register dump =0x6726ff80 >>>>>>>>> Modified ahci CAP register dump =0x6f26ff80 >>>>>>>>> ahci ahci.0: forcing PORTS_IMPL to 0x1 >>>>>>>>> ahci: SSS flag set, parallel bus scan disabled >>>>>>>>> ahci ahci.0: AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl >>>>>>>>> platform mode >>>>>>>>> ahci ahci.0: flags: ncq sntf stag pm led clo only pmp pio slum >>>>>>>>> part ccc apst >>>>>>>>> scsi0 : ahci_platform >>>>>>>>> ata1: SATA max UDMA/133 irq_stat 0x00400040, connection status >>>>>>>>> changed irq 16 >>>>>>>>> omap2-nand driver initializing >>>>>>>>> ONFI param page 0 valid >>>>>>>>> ONFI flash detected >>>>>>>>> NAND device: Maf ID: 0x2c, Chip ID: 0xca (Micron, NAND 256MiB 3,3V >>>>>>>>> 16-bit) >>>>>>>>> erasesize: 0x20000, writesize: 2048, oobsize: 64 >>>>>>>>> omap2-nand: detected x16 NAND flash >>>>>>>>> Creating 7 MTD partitions on "omap2-nand.0": >>>>>>>>> 0x000000000000-0x000000020000 : "U-Boot-min" >>>>>>>>> 0x000000020000-0x000000260000 : "U-Boot" >>>>>>>>> 0x000000260000-0x000000280000 : "U-Boot Env" >>>>>>>>> 0x000000280000-0x000000580000 : "U-Boot Logo" >>>>>>>>> 0x000000580000-0x0000009c0000 : "Kernel" >>>>>>>>> 0x0000009c0000-0x00000d1e0000 : "File System" >>>>>>>>> 0x00000d1e0000-0x000010000000 : "Reserved" >>>>>>>>> davinci_mdio davinci_mdio.0: davinci mdio revision 1.6 >>>>>>>>> davinci_mdio davinci_mdio.0: detected phy mask fffffffc >>>>>>>>> davinci_mdio.0: probed >>>>>>>>> davinci_mdio davinci_mdio.0: phy[0]: device 0:00, driver unknown >>>>>>>>> davinci_mdio davinci_mdio.0: phy[1]: device 0:01, driver unknown >>>>>>>>> CAN device driver interface >>>>>>>>> CAN bus driver for Bosch D_CAN controller 1.0 >>>>>>>>> d_can d_can: d_can device registered (irq=52, irq_obj=53) >>>>>>>>> usbcore: registered new interface driver cdc_ether >>>>>>>>> usbcore: registered new interface driver dm9601 >>>>>>>>> console [netcon0] enabled >>>>>>>>> netconsole: network logging started >>>>>>>>> usbcore: registered new interface driver cdc_acm >>>>>>>>> cdc_acm: v0.26:USB Abstract Control Model driver for USB modems >>>>>>>>> and ISDN adapters >>>>>>>>> Initializing USB Mass Storage driver... >>>>>>>>> usbcore: registered new interface driver usb-storage >>>>>>>>> USB Mass Storage support registered. >>>>>>>>> mice: PS/2 mouse device common for all mice >>>>>>>>> qt602240_ts 1-004a: __qt602240_read_reg: i2c transfer failed >>>>>>>>> qt602240_ts: probe of 1-004a failed with error -5 >>>>>>>>> omap_rtc omap_rtc: rtc core: registered omap_rtc as rtc0 >>>>>>>>> i2c /dev entries driver >>>>>>>>> Linux video capture interface: v2.00 >>>>>>>>> usbcore: registered new interface driver uvcvideo >>>>>>>>> USB Video Class driver (v1.0.0) >>>>>>>>> OMAP Watchdog Timer Rev 0x00: initial timeout 60 sec >>>>>>>>> nss_aes_mod_init: loading NSS AES driver >>>>>>>>> nss-aes nss-aes: NSS AES hw accel rev: 3.2 (context 0 @0x41140000) >>>>>>>>> nss-aes nss-aes: NSS AES hw accel rev: 3.2 (context 1 @0x41141000) >>>>>>>>> nss-aes nss-aes: NSS AES hw accel rev: 3.2 (context 2 @0x411a0000) >>>>>>>>> nss-aes nss-aes: NSS AES hw accel rev: 3.2 (context 3 @0x411a1000) >>>>>>>>> nss_aes_probe: probe() done >>>>>>>>> nss_des_mod_init: loading NSS DES driver >>>>>>>>> nss-des nss-des: NSS DES hw accel rev: 2.2 (context 0 @0x41160000) >>>>>>>>> nss-des nss-des: NSS DES hw accel rev: 2.2 (context 1 @0x41161000) >>>>>>>>> nss_des_probe: probe() done >>>>>>>>> nss_sham_mod_init: loading NSS SHA/MD5 driver >>>>>>>>> nss-sham nss-sham: NSS SHA/MD5 hw accel rev: 4.03 (context 0 >>>>>>>>> @0x41100000) >>>>>>>>> nss-sham nss-sham: NSS SHA/MD5 hw accel rev: 4.03 (context 1 >>>>>>>>> @0x41101000) >>>>>>>>> nss-sham nss-sham: NSS SHA/MD5 hw accel rev: 4.03 (context 2 >>>>>>>>> @0x411c0000) >>>>>>>>> nss-sham nss-sham: NSS SHA/MD5 hw accel rev: 4.03 (context 3 >>>>>>>>> @0x411c1000) >>>>>>>>> nss_sham_probe: probe() done >>>>>>>>> usbcore: registered new interface driver usbhid >>>>>>>>> usbhid: USB HID core driver >>>>>>>>> notify_init : notify drivercreated for remote proc id 2 at >>>>>>>>> physical Address 0xbfd00000 >>>>>>>>> usbcore: registered new interface driver snd-usb-audio >>>>>>>>> Registered tvp5158 audio codec >>>>>>>>> *** Forcing SW CTS! >>>>>>>>> asoc: tvp5158-hifi <-> davinci-mcasp.0 mapping ok >>>>>>>>> asoc: tlv320aic3x-hifi <-> davinci-mcasp.2 mapping ok >>>>>>>>> asoc: HDMI-DAI-CODEC <-> hdmi-dai mapping ok >>>>>>>>> ALSA device list: >>>>>>>>> #0: TI81XX SOUND0 >>>>>>>>> #1: TI81XX SOUND1 >>>>>>>>> TCP cubic registered >>>>>>>>> NET: Registered protocol family 17 >>>>>>>>> can: controller area network core (rev 20090105 abi 8) >>>>>>>>> NET: Registered protocol family 29 >>>>>>>>> can: raw protocol (rev 20090105) >>>>>>>>> can: broadcast manager protocol (rev 20090105 t) >>>>>>>>> Registering the dns_resolver key type >>>>>>>>> VFP support v0.3: implementor 41 architecture 3 part 30 variant c >>>>>>>>> rev 3 >>>>>>>>> omap_voltage_late_init: Voltage driver support not added >>>>>>>>> Power Management for TI81XX. >>>>>>>>> Detected MACID=40:5f:c2:8:45:ef >>>>>>>>> omap_rtc omap_rtc: setting system clock to 2000-01-01 00:00:00 UTC >>>>>>>>> (946684800) >>>>>>>>> ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300) >>>>>>>>> ata1.00: ATA-8: WDC SSD-S0008S-7100, 2.1ME, max UDMA/133 >>>>>>>>> ata1.00: 15625008 sectors, multi 1: LBA48 >>>>>>>>> >>>>>>>>> CPSW phy found : id is : 0x4dd074 >>>>>>>>> >>>>>>>>> CPSW phy found : id is : 0x4dd074 >>>>>>>>> ata1.00: configured for UDMA/133 >>>>>>>>> scsi 0:0:0:0: Direct-Access ATA WDC SSD-S0008S-7 2.1M PQ: >>>>>>>>> 0 ANSI: 5 >>>>>>>>> sd 0:0:0:0: Attached scsi generic sg0 type 0 >>>>>>>>> sd 0:0:0:0: [sda] 15625008 512-byte logical blocks: (8.00 GB/7.45 >>>>>>>>> GiB) >>>>>>>>> sd 0:0:0:0: [sda] Write Protect is off >>>>>>>>> sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, >>>>>>>>> doesn't support DPO or FUA >>>>>>>>> sda: sda1 >>>>>>>>> sd 0:0:0:0: [sda] Attached SCSI disk >>>>>>>>> IP-Config: Guessing netmask 255.0.0.0 >>>>>>>>> IP-Config: Complete: >>>>>>>>> device=eth0, addr=10.0.0.2, mask=255.0.0.0, >>>>>>>>> gw=255.255.255.255, >>>>>>>>> host=10.0.0.2, domain=, nis-domain=(none), >>>>>>>>> bootserver=255.255.255.255, rootserver=10.0.0.1, rootpath= >>>>>>>>> Waiting 15sec before mounting root device... >>>>>>>>> PHY: 0:01 - Link is Up - 0/Half >>>>>>>>> PHY: 0:01 - Link is Down >>>>>>>>> PHY: 0:00 - Link is Up - 100/Full >>>>>>>>> VFS: Mounted root (nfs filesystem) on device 0:15. >>>>>>>>> devtmpfs: mounted >>>>>>>>> Freeing init memory: 232K >>>>>>>>> INIT: version 2.88 booting >>>>>>>>> Mounting /dev/shm : Mounting /dev/pts : >>>>>>>>> Mounting other filesystems : Mounting /dev/sda1 : >>>>>>>>> EXT3-fs: >>>>>>>>> barriers not enabled >>>>>>>>> kjournald starting. Commit interval 5 seconds >>>>>>>>> EXT3-fs (sda1): using internal journal >>>>>>>>> EXT3-fs (sda1): recovery complete >>>>>>>>> EXT3-fs (sda1): mounted filesystem with writeback data mode >>>>>>>>> Sync command ...Error opening /dev/fb0: No such file or directory >>>>>>>>> remove /media/sdb1 >>>>>>>>> Starting udev >>>>>>>>> udev[117]: starting version 164 >>>>>>>>> Starting Bootlog daemon: bootlogd. >>>>>>>>> Applying sync command >>>>>>>>> >>>>>>>>> _____ _____ _ _ >>>>>>>>> | _ |___ ___ ___ ___ | _ |___ ___ |_|___ ___| |_ >>>>>>>>> | | _| .'| . | . | | __| _| . | | | -_| _| _| >>>>>>>>> |__|__|_| |__,|_ |___| |__| |_| |___|_| |___|___|_| >>>>>>>>> |___| |___| >>>>>>>>> >>>>>>>>> Arago Project http://arago-project.org dm814x ttyO0 >>>>>>>>> >>>>>>>>> Arago 2012.10 dm814x ttyO0 >>>>>>>>> >>>>>>>>> dm814x login: root >>>>>>>>> root@dm814x:~# echo ttyS0,115200N8 > >>>>>>>>> /sys/module/kgdboc/parameters/kgdboc >>>>>>>>> ------------[ cut here ]------------ >>>>>>>>> WARNING: at drivers/serial/serial_core.c:399 >>>>>>>>> uart_get_baud_rate+0x124/0x138() >>>>>>>>> Modules linked in: >>>>>>>>> Backtrace: >>>>>>>>> [<c004ffc4>] (dump_backtrace+0x0/0x110) from [<c03ee140>] >>>>>>>>> (dump_stack+0x18/0x1c) >>>>>>>>> r6:c04f4d9f r5:0000018f r4:00000000 r3:60000013 >>>>>>>>> [<c03ee128>] (dump_stack+0x0/0x1c) from [<c0076480>] >>>>>>>>> (warn_slowpath_common+0x54/0x6c) >>>>>>>>> [<c007642c>] (warn_slowpath_common+0x0/0x6c) from [<c00764bc>] >>>>>>>>> (warn_slowpath_null+0x24/0x2c) >>>>>>>>> r8:00000000 r7:00000001 r6:00009600 r5:00000000 r4:c3679de4 >>>>>>>>> r3:00000009 >>>>>>>>> [<c0076498>] (warn_slowpath_null+0x0/0x2c) from [<c0229a3c>] >>>>>>>>> (uart_get_baud_rate+0x124/0x138) >>>>>>>>> [<c0229918>] (uart_get_baud_rate+0x0/0x138) from [<c022cc40>] >>>>>>>>> (serial8250_do_set_termios+0x84/0x380) >>>>>>>>> [<c022cbbc>] (serial8250_do_set_termios+0x0/0x380) from >>>>>>>>> [<c022cf60>] (serial8250_set_termios+0x24/0x28) >>>>>>>>> [<c022cf3c>] (serial8250_set_termios+0x0/0x28) from [<c0228184>] >>>>>>>>> (uart_set_options+0xec/0x110) >>>>>>>>> [<c0228098>] (uart_set_options+0x0/0x110) from [<c0229908>] >>>>>>>>> (uart_poll_init+0xb4/0xc4) >>>>>>>>> r7:c05de7f0 r6:c05878f8 r5:00000000 r4:c05db19c >>>>>>>>> [<c0229854>] (uart_poll_init+0x0/0xc4) from [<c020ce10>] >>>>>>>>> (tty_find_polling_driver+0xe4/0x134) >>>>>>>>> r4:c4980540 >>>>>>>>> [<c020cd2c>] (tty_find_polling_driver+0x0/0x134) from [<c022ec30>] >>>>>>>>> (configure_kgdboc+0x84/0x14c) >>>>>>>>> [<c022ebac>] (configure_kgdboc+0x0/0x14c) from [<c022eda0>] >>>>>>>>> (param_set_kgdboc_var+0xa8/0xc4) >>>>>>>>> r5:00000000 r4:00000000 >>>>>>>>> [<c022ecf8>] (param_set_kgdboc_var+0x0/0xc4) from [<c008ae64>] >>>>>>>>> (param_attr_store+0x4c/0x6c) >>>>>>>>> r8:c4898380 r7:c40efa40 r6:c40f7000 r5:0000000f r4:c4898450 >>>>>>>>> r3:c022ecf8 >>>>>>>>> [<c008ae18>] (param_attr_store+0x0/0x6c) from [<c008ac5c>] >>>>>>>>> (module_attr_store+0x28/0x34) >>>>>>>>> r6:0000000f r5:c3679f70 r4:c4898380 r3:0000000f >>>>>>>>> [<c008ac34>] (module_attr_store+0x0/0x34) from [<c0116504>] >>>>>>>>> (sysfs_write_file+0x110/0x144) >>>>>>>>> r4:c4894d50 r3:0000000f >>>>>>>>> [<c01163f4>] (sysfs_write_file+0x0/0x144) from [<c00d11d4>] >>>>>>>>> (vfs_write+0xbc/0x148) >>>>>>>>> [<c00d1118>] (vfs_write+0x0/0x148) from [<c00d1458>] >>>>>>>>> (sys_write+0x44/0x70) >>>>>>>>> r8:0000000f r7:00000000 r6:00000000 r5:000d3408 r4:c439e200 >>>>>>>>> [<c00d1414>] (sys_write+0x0/0x70) from [<c004c3c0>] >>>>>>>>> (ret_fast_syscall+0x0/0x30) >>>>>>>>> r8:c004c568 r7:00000004 r6:402d95d0 r5:000d3408 r4:0000000f >>>>>>>>> ---[ end trace 7e0af2776481cc19 ]--- >>>>>>>>> Division by zero in kernel. >>>>>>>>> Backtrace: >>>>>>>>> [<c004ffc4>] (dump_backtrace+0x0/0x110) from [<c03ee140>] >>>>>>>>> (dump_stack+0x18/0x1c) >>>>>>>>> r6:00000013 r5:c3679de4 r4:c05db19c r3:60000013 >>>>>>>>> [<c03ee128>] (dump_stack+0x0/0x1c) from [<c00500ec>] >>>>>>>>> (__div0+0x18/0x20) >>>>>>>>> [<c00500d4>] (__div0+0x0/0x20) from [<c01dfb04>] (Ldiv0+0x8/0x10) >>>>>>>>> [<c0226dd0>] (uart_get_divisor+0x0/0x40) from [<c022cc78>] >>>>>>>>> (serial8250_do_set_termios+0xbc/0x380) >>>>>>>>> [<c022cbbc>] (serial8250_do_set_termios+0x0/0x380) from >>>>>>>>> [<c022cf60>] (serial8250_set_termios+0x24/0x28) >>>>>>>>> [<c022cf3c>] (serial8250_set_termios+0x0/0x28) from [<c0228184>] >>>>>>>>> (uart_set_options+0xec/0x110) >>>>>>>>> [<c0228098>] (uart_set_options+0x0/0x110) from [<c0229908>] >>>>>>>>> (uart_poll_init+0xb4/0xc4) >>>>>>>>> r7:c05de7f0 r6:c05878f8 r5:00000000 r4:c05db19c >>>>>>>>> [<c0229854>] (uart_poll_init+0x0/0xc4) from [<c020ce10>] >>>>>>>>> (tty_find_polling_driver+0xe4/0x134) >>>>>>>>> r4:c4980540 >>>>>>>>> [<c020cd2c>] (tty_find_polling_driver+0x0/0x134) from [<c022ec30>] >>>>>>>>> (configure_kgdboc+0x84/0x14c) >>>>>>>>> [<c022ebac>] (configure_kgdboc+0x0/0x14c) from [<c022eda0>] >>>>>>>>> (param_set_kgdboc_var+0xa8/0xc4) >>>>>>>>> r5:00000000 r4:00000000 >>>>>>>>> [<c022ecf8>] (param_set_kgdboc_var+0x0/0xc4) from [<c008ae64>] >>>>>>>>> (param_attr_store+0x4c/0x6c) >>>>>>>>> r8:c4898380 r7:c40efa40 r6:c40f7000 r5:0000000f r4:c4898450 >>>>>>>>> r3:c022ecf8 >>>>>>>>> [<c008ae18>] (param_attr_store+0x0/0x6c) from [<c008ac5c>] >>>>>>>>> (module_attr_store+0x28/0x34) >>>>>>>>> r6:0000000f r5:c3679f70 r4:c4898380 r3:0000000f >>>>>>>>> [<c008ac34>] (module_attr_store+0x0/0x34) from [<c0116504>] >>>>>>>>> (sysfs_write_file+0x110/0x144) >>>>>>>>> r4:c4894d50 r3:0000000f >>>>>>>>> [<c01163f4>] (sysfs_write_file+0x0/0x144) from [<c00d11d4>] >>>>>>>>> (vfs_write+0xbc/0x148) >>>>>>>>> [<c00d1118>] (vfs_write+0x0/0x148) from [<c00d1458>] >>>>>>>>> (sys_write+0x44/0x70) >>>>>>>>> r8:0000000f r7:00000000 r6:00000000 r5:000d3408 r4:c439e200 >>>>>>>>> [<c00d1414>] (sys_write+0x0/0x70) from [<c004c3c0>] >>>>>>>>> (ret_fast_syscall+0x0/0x30) >>>>>>>>> r8:c004c568 r7:00000004 r6:402d95d0 r5:000d3408 r4:0000000f >>>>>>>>> Division by zero in kernel. >>>>>>>>> Backtrace: >>>>>>>>> [<c004ffc4>] (dump_backtrace+0x0/0x110) from [<c03ee140>] >>>>>>>>> (dump_stack+0x18/0x1c) >>>>>>>>> r6:00000013 r5:c3679de4 r4:c05db19c r3:60000093 >>>>>>>>> [<c03ee128>] (dump_stack+0x0/0x1c) from [<c00500ec>] >>>>>>>>> (__div0+0x18/0x20) >>>>>>>>> [<c00500d4>] (__div0+0x0/0x20) from [<c01dfb04>] (Ldiv0+0x8/0x10) >>>>>>>>> [<c0226d70>] (uart_update_timeout+0x0/0x60) from [<c022cd0c>] >>>>>>>>> (serial8250_do_set_termios+0x150/0x380) >>>>>>>>> r4:c05db19c r3:00000000 >>>>>>>>> [<c022cbbc>] (serial8250_do_set_termios+0x0/0x380) from >>>>>>>>> [<c022cf60>] (serial8250_set_termios+0x24/0x28) >>>>>>>>> [<c022cf3c>] (serial8250_set_termios+0x0/0x28) from [<c0228184>] >>>>>>>>> (uart_set_options+0xec/0x110) >>>>>>>>> [<c0228098>] (uart_set_options+0x0/0x110) from [<c0229908>] >>>>>>>>> (uart_poll_init+0xb4/0xc4) >>>>>>>>> r7:c05de7f0 r6:c05878f8 r5:00000000 r4:c05db19c >>>>>>>>> [<c0229854>] (uart_poll_init+0x0/0xc4) from [<c020ce10>] >>>>>>>>> (tty_find_polling_driver+0xe4/0x134) >>>>>>>>> r4:c4980540 >>>>>>>>> [<c020cd2c>] (tty_find_polling_driver+0x0/0x134) from [<c022ec30>] >>>>>>>>> (configure_kgdboc+0x84/0x14c) >>>>>>>>> [<c022ebac>] (configure_kgdboc+0x0/0x14c) from [<c022eda0>] >>>>>>>>> (param_set_kgdboc_var+0xa8/0xc4) >>>>>>>>> r5:00000000 r4:00000000 >>>>>>>>> [<c022ecf8>] (param_set_kgdboc_var+0x0/0xc4) from [<c008ae64>] >>>>>>>>> (param_attr_store+0x4c/0x6c) >>>>>>>>> r8:c4898380 r7:c40efa40 r6:c40f7000 r5:0000000f r4:c4898450 >>>>>>>>> r3:c022ecf8 >>>>>>>>> [<c008ae18>] (param_attr_store+0x0/0x6c) from [<c008ac5c>] >>>>>>>>> (module_attr_store+0x28/0x34) >>>>>>>>> r6:0000000f r5:c3679f70 r4:c4898380 r3:0000000f >>>>>>>>> [<c008ac34>] (module_attr_store+0x0/0x34) from [<c0116504>] >>>>>>>>> (sysfs_write_file+0x110/0x144) >>>>>>>>> r4:c4894d50 r3:0000000f >>>>>>>>> [<c01163f4>] (sysfs_write_file+0x0/0x144) from [<c00d11d4>] >>>>>>>>> (vfs_write+0xbc/0x148) >>>>>>>>> [<c00d1118>] (vfs_write+0x0/0x148) from [<c00d1458>] >>>>>>>>> (sys_write+0x44/0x70) >>>>>>>>> r8:0000000f r7:00000000 r6:00000000 r5:000d3408 r4:c439e200 >>>>>>>>> [<c00d1414>] (sys_write+0x0/0x70) from [<c004c3c0>] >>>>>>>>> (ret_fast_syscall+0x0/0x30) >>>>>>>>> r8:c004c568 r7:00000004 r6:402d95d0 r5:000d3408 r4:0000000f >>>>>>>>> Unable to handle kernel NULL pointer dereference at virtual >>>>>>>>> address 00000000 >>>>>>>>> pgd = c3400000 >>>>>>>>> [00000000] *pgd=836c1031, *pte=00000000, *ppte=00000000 >>>>>>>>> Internal error: Oops: 80000007 [#1] >>>>>>>>> last sysfs file: /sys/module/kgdboc/parameters/kgdboc >>>>>>>>> Modules linked in: >>>>>>>>> CPU: 0 Tainted: G W (2.6.37 #6) >>>>>>>>> PC is at 0x0 >>>>>>>>> LR is at serial8250_do_set_termios+0x238/0x380 >>>>>>>>> pc : [<00000000>] lr : [<c022cdf4>] psr: 40000093 >>>>>>>>> sp : c3679d90 ip : c3679c44 fp : c3679dcc >>>>>>>>> r10: 00000000 r9 : 40000013 r8 : 00000000 >>>>>>>>> r7 : 00000000 r6 : 00000013 r5 : c3679de4 r4 : c05db19c >>>>>>>>> r3 : 00000000 r2 : 00000000 r1 : 00000001 r0 : c05db19c >>>>>>>>> Flags: nZcv IRQs off FIQs on Mode SVC_32 ISA ARM Segment user >>>>>>>>> Control: 10c5387d Table: 83400019 DAC: 00000015 >>>>>>>>> Process sh (pid: 639, stack limit = 0xc36782e8) >>>>>>>>> Stack: (0xc3679d90 to 0xc367a000) >>>>>>>>> 9d80: 00000000 c01e4220 >>>>>>>>> c3679dcc c3679da8 >>>>>>>>> 9da0: c00aa474 c05db19c 00000000 0001c200 0000004e 00000004 >>>>>>>>> c03f92f4 c3679e94 >>>>>>>>> 9dc0: c3679ddc c3679dd0 c022cf60 c022cbc8 c3679e2c c3679de0 >>>>>>>>> c0228184 c022cf48 >>>>>>>>> 9de0: c05de7f6 00000000 00000000 00000cb0 00000000 00000000 >>>>>>>>> 00000000 00000000 >>>>>>>>> 9e00: 00000000 00000000 00000000 00000000 c05db19c 00000000 >>>>>>>>> c05878f8 c05de7f0 >>>>>>>>> 9e20: c3679e5c c3679e30 c0229908 c02280a4 00000008 0000006e >>>>>>>>> 0000006e 0000004e >>>>>>>>> 9e40: 00000008 0001c200 c01e696c c4980540 c3679e8c c3679e60 >>>>>>>>> c020ce10 c0229860 >>>>>>>>> 9e60: c00b0240 c05de7f5 c05de7e8 00000000 c05de7f6 0000000e >>>>>>>>> c40f7000 c40efa58 >>>>>>>>> 9e80: c3679eac c3679e90 c022ec30 c020cd38 c3679f5c 00000000 >>>>>>>>> 00000000 00000000 >>>>>>>>> 9ea0: c3679ed4 c3679eb0 c022eda0 c022ebb8 c022ecf8 c4898450 >>>>>>>>> 0000000f c40f7000 >>>>>>>>> 9ec0: c40efa40 c4898380 c3679ef4 c3679ed8 c008ae64 c022ed04 >>>>>>>>> 0000000f c4898380 >>>>>>>>> 9ee0: c3679f70 0000000f c3679f0c c3679ef8 c008ac5c c008ae24 >>>>>>>>> 0000000f c4894d50 >>>>>>>>> 9f00: c3679f3c c3679f10 c0116504 c008ac40 c3679f70 0000000f >>>>>>>>> c439e200 000d3408 >>>>>>>>> 9f20: c3679f70 0000000f c3678000 00000000 c3679f6c c3679f40 >>>>>>>>> c00d11d4 c0116400 >>>>>>>>> 9f40: c3679f6c 00000000 c439e200 c439e200 000d3408 00000000 >>>>>>>>> 00000000 0000000f >>>>>>>>> 9f60: c3679fa4 c3679f70 c00d1458 c00d1124 00000000 00000000 >>>>>>>>> c439e200 00000000 >>>>>>>>> 9f80: c3679fa4 0000000f 000d3408 402d95d0 00000004 c004c568 >>>>>>>>> 00000000 c3679fa8 >>>>>>>>> 9fa0: c004c3c0 c00d1420 0000000f 000d3408 00000001 000d3408 >>>>>>>>> 0000000f 00000000 >>>>>>>>> 9fc0: 0000000f 000d3408 402d95d0 00000004 0000000f 4004c7f0 >>>>>>>>> 000c2d48 00000000 >>>>>>>>> 9fe0: 00000000 bed62a68 402163b8 4026915c 60000010 00000001 >>>>>>>>> 00000000 00000000 >>>>>>>>> Backtrace: >>>>>>>>> [<c022cbbc>] (serial8250_do_set_termios+0x0/0x380) from >>>>>>>>> [<c022cf60>] (serial8250_set_termios+0x24/0x28) >>>>>>>>> [<c022cf3c>] (serial8250_set_termios+0x0/0x28) from [<c0228184>] >>>>>>>>> (uart_set_options+0xec/0x110) >>>>>>>>> [<c0228098>] (uart_set_options+0x0/0x110) from [<c0229908>] >>>>>>>>> (uart_poll_init+0xb4/0xc4) >>>>>>>>> r7:c05de7f0 r6:c05878f8 r5:00000000 r4:c05db19c >>>>>>>>> [<c0229854>] (uart_poll_init+0x0/0xc4) from [<c020ce10>] >>>>>>>>> (tty_find_polling_driver+0xe4/0x134) >>>>>>>>> r4:c4980540 >>>>>>>>> [<c020cd2c>] (tty_find_polling_driver+0x0/0x134) from [<c022ec30>] >>>>>>>>> (configure_kgdboc+0x84/0x14c) >>>>>>>>> [<c022ebac>] (configure_kgdboc+0x0/0x14c) from [<c022eda0>] >>>>>>>>> (param_set_kgdboc_var+0xa8/0xc4) >>>>>>>>> r5:00000000 r4:00000000 >>>>>>>>> [<c022ecf8>] (param_set_kgdboc_var+0x0/0xc4) from [<c008ae64>] >>>>>>>>> (param_attr_store+0x4c/0x6c) >>>>>>>>> r8:c4898380 r7:c40efa40 r6:c40f7000 r5:0000000f r4:c4898450 >>>>>>>>> r3:c022ecf8 >>>>>>>>> [<c008ae18>] (param_attr_store+0x0/0x6c) from [<c008ac5c>] >>>>>>>>> (module_attr_store+0x28/0x34) >>>>>>>>> r6:0000000f r5:c3679f70 r4:c4898380 r3:0000000f >>>>>>>>> [<c008ac34>] (module_attr_store+0x0/0x34) from [<c0116504>] >>>>>>>>> (sysfs_write_file+0x110/0x144) >>>>>>>>> r4:c4894d50 r3:0000000f >>>>>>>>> [<c01163f4>] (sysfs_write_file+0x0/0x144) from [<c00d11d4>] >>>>>>>>> (vfs_write+0xbc/0x148) >>>>>>>>> [<c00d1118>] (vfs_write+0x0/0x148) from [<c00d1458>] >>>>>>>>> (sys_write+0x44/0x70) >>>>>>>>> r8:0000000f r7:00000000 r6:00000000 r5:000d3408 r4:c439e200 >>>>>>>>> [<c00d1414>] (sys_write+0x0/0x70) from [<c004c3c0>] >>>>>>>>> (ret_fast_syscall+0x0/0x30) >>>>>>>>> r8:c004c568 r7:00000004 r6:402d95d0 r5:000d3408 r4:0000000f >>>>>>>>> Code: bad PC value >>>>>>>>> ---[ end trace 7e0af2776481cc1a ]--- >>>>>>>>> >>>>>>>>> >>>>>>>>> On Thu, Jul 31, 2014 at 10:21 AM, Jegathesan Durairaj < >>>>>>>>> itje...@gmail.com> wrote: >>>>>>>>> >>>>>>>>>> Send your full trace. I am also facing similar problem. Is it SMP? >>>>>>>>>> On 31/07/2014 11:56 am, "Ran Shalit" <ransha...@gmail.com> wrote: >>>>>>>>>> >>>>>>>>>>> Hi Jegathesan, >>>>>>>>>>> >>>>>>>>>>> I am using TI's DM8148 (armv7 based soc), and I'm using the same >>>>>>>>>>> UART (ttyS0 for both console and kgdb debugger) >>>>>>>>>>> Now I get the exception already in tring to set the baud rate, >>>>>>>>>>> according to the lines below it happens in uart_get_baud_rate. >>>>>>>>>>> Maybe it is illegal to use same UART for both console and >>>>>>>>>>> debugger ? Or is it maybe that I need to do some other actions >>>>>>>>>>> before, or >>>>>>>>>>> the set something in kernel config ? >>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>> _____ _____ _ _ >>>>>>>>>>> | _ |___ ___ ___ ___ | _ |___ ___ |_|___ ___| |_ >>>>>>>>>>> | | _| .'| . | . | | __| _| . | | | -_| _| _| >>>>>>>>>>> |__|__|_| |__,|_ |___| |__| |_| |___|_| |___|___|_| >>>>>>>>>>> |___| |___| >>>>>>>>>>> >>>>>>>>>>> Arago Project http://arago-project.org dm814x ttyO0 >>>>>>>>>>> >>>>>>>>>>> Arago 2012.10 dm814x ttyO0 >>>>>>>>>>> >>>>>>>>>>> dm814x login: root >>>>>>>>>>> root@dm814x:~# echo ttyS0,115200 > >>>>>>>>>>> /sys/module/kgdboc/parameters/kgdboc >>>>>>>>>>> ------------[ cut here ]------------ >>>>>>>>>>> WARNING: at drivers/serial/serial_core.c:399 >>>>>>>>>>> uart_get_baud_rate+0x124/0x138() >>>>>>>>>>> Modules linked in: >>>>>>>>>>> Backtrace: >>>>>>>>>>> [<c004ffc4>] (dump_backtrace+0x0/0x110) from [<c03ee140>] >>>>>>>>>>> (dump_stack+0x18/0x1c) >>>>>>>>>>> r6:c04f4d9f r5:0000018f r4:00000000 r3:60000013 >>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>> This is the .config relevant flags: >>>>>>>>>>> -dvr-rdk$ cat .config | grep "KGDB" >>>>>>>>>>> CONFIG_HAVE_ARCH_KGDB=y >>>>>>>>>>> CONFIG_KGDB=y >>>>>>>>>>> CONFIG_KGDB_SERIAL_CONSOLE=y >>>>>>>>>>> # CONFIG_KGDB_TESTS is not set >>>>>>>>>>> # CONFIG_KGDB_KDB is not set >>>>>>>>>>> ubuntu@ubuntu-laptop >>>>>>>>>>> :~/dvrrdk/DVRRDK_04.01.00.02/ti_tools/linux_lsp/kernel/linux >>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>> Thanks for any suggestion to make the kgdb work.... >>>>>>>>>>> >>>>>>>>>>> Ran >>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>> On Thu, Jul 31, 2014 at 8:44 AM, Jegathesan Durairaj < >>>>>>>>>>> itje...@gmail.com> wrote: >>>>>>>>>>> >>>>>>>>>>>> What is your processor? Try to mention the baud rate while >>>>>>>>>>>> configuring kgdb. >>>>>>>>>>>> On 31/07/2014 10:14 am, "Ran Shalit" <ransha...@gmail.com> >>>>>>>>>>>> wrote: >>>>>>>>>>>> >>>>>>>>>>>>> Hello, >>>>>>>>>>>>> >>>>>>>>>>>>> I am using kgdb with serial connection and recieve the >>>>>>>>>>>>> following error >>>>>>>>>>>>> immediately after starting the kgdb. I am using kernel which >>>>>>>>>>>>> is based on >>>>>>>>>>>>> git 2.6.37. It support only serial as I see (I don't have >>>>>>>>>>>>> CONFIG_KGDB_ETH), >>>>>>>>>>>>> so I could test the kgdb only with serial. >>>>>>>>>>>>> >>>>>>>>>>>>> I would appreciate any idea. Thanks, Ran >>>>>>>>>>>>> >>>>>>>>>>>>> >>>>>>>>>>>>> root@dm814x:~# echo ttyS0 > >>>>>>>>>>>>> /sys/module/kgdboc/parameters/kgdboc >>>>>>>>>>>>> kgdb: Registered I/O driver kgdboc. >>>>>>>>>>>>> >>>>>>>>>>>>> root@dm814x:~# echo g > /proc/sysrq-trigger >>>>>>>>>>>>> SysRq : DEBUG >>>>>>>>>>>>> Entering KGDB >>>>>>>>>>>>> Unable to handle kernel NULL pointer dereference at virtual >>>>>>>>>>>>> address 00000000 >>>>>>>>>>>>> pgd = c4368000 >>>>>>>>>>>>> [00000000] *pgd=84042031, *pte=00000000, *ppte=00000000 >>>>>>>>>>>>> Internal error: Oops: 80000007 [#1] >>>>>>>>>>>>> last sysfs file: /sys/module/kgdboc/parameters/kgdboc >>>>>>>>>>>>> KGDB: re-enter exception: ALL breakpoints killed >>>>>>>>>>>>> Backtrace: >>>>>>>>>>>>> >>>>>>>>>>>>> ------------------------------------------------------------------------------ >>>>>>>>>>>>> Infragistics Professional >>>>>>>>>>>>> Build stunning WinForms apps today! >>>>>>>>>>>>> Reboot your WinForms applications with our WinForms controls. >>>>>>>>>>>>> Build a bridge from your legacy apps to the future. >>>>>>>>>>>>> >>>>>>>>>>>>> http://pubads.g.doubleclick.net/gampad/clk?id=153845071&iu=/4140/ostg.clktrk >>>>>>>>>>>>> _______________________________________________ >>>>>>>>>>>>> Kgdb-bugreport mailing list >>>>>>>>>>>>> Kgdb-bugreport@lists.sourceforge.net >>>>>>>>>>>>> https://lists.sourceforge.net/lists/listinfo/kgdb-bugreport >>>>>>>>>>>>> >>>>>>>>>>>> >>>>>>>>>>> >>>>>>>>> >>>>>>> >>>>>> >>>>> >>>> >>> >> > ------------------------------------------------------------------------------ Want fast and easy access to all the code in your enterprise? Index and search up to 200,000 lines of code with a free copy of Black Duck Code Sight - the same software that powers the world's largest code search on Ohloh, the Black Duck Open Hub! Try it now. http://p.sf.net/sfu/bds _______________________________________________ Kgdb-bugreport mailing list Kgdb-bugreport@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kgdb-bugreport
