I¹m using V3.15.10-bone8 kernel with Debian Image 2014-10-08. I trying to debug a device driver which is built into the kernel to simplify debugging. Building the kernel with O2 optimization makes single stepping difficult so I changed the compiler optimization to O1 in Makefile, but now Debian won¹t boot properly. Anyone have an idea why changing the compiler optimization breaks OS startup? BTW, building the kernel with O2 optimization boots just fine. Here is the bootlog:
Starting kernel ... [ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Initializing cgroup subsys cpuset [ 0.000000] Initializing cgroup subsys cpu [ 0.000000] Initializing cgroup subsys cpuacct [ 0.000000] Linux version 3.15.10-bone8 (john@DX58SO) (gcc version 4.8.3 20140401 (prerelease) (crosstool-NG linaro-1.13.1-4.8-2014.04 - Linaro GCC 4.8-2014.04) ) #2 Fri Nov 14 17:32:17 PST 2014 [ 0.000000] CPU: ARMv7 Processor [413fc082] revision 2 (ARMv7), cr=50c5387d [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache [ 0.000000] Machine model: TI AM335x BeagleBone [ 0.000000] Memory policy: Data cache writeback [ 0.000000] CPU: All CPU(s) started in SVC mode. [ 0.000000] AM335X ES2.0 (sgx neon ) [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 129792 [ 0.000000] Kernel command line: console=ttyO0,115200n8 root=/dev/nfs rw rootfstype=ext4 rootwait fixrtc nfsroot=10.100.116.73:/home/john/targetNFS,vers=3 ip=10.100.116.105:10.100.116.73:10.100.f [ 0.000000] PID hash table entries: 2048 (order: 1, 8192 bytes) [ 0.000000] Dentry cache hash table entries: 65536 (order: 6, 262144 bytes) [ 0.000000] Inode-cache hash table entries: 32768 (order: 5, 131072 bytes) [ 0.000000] allocated 1048576 bytes of page_cgroup [ 0.000000] please try 'cgroup_disable=memory' option if you don't want memory cgroups [ 0.000000] Memory: 506528K/523264K available (5866K kernel code, 605K rwdata, 3216K rodata, 330K init, 982K bss, 16736K reserved, 0K highmem) [ 0.000000] Virtual kernel memory layout: [ 0.000000] vector : 0xffff0000 - 0xffff1000 ( 4 kB) [ 0.000000] fixmap : 0xfff00000 - 0xfffe0000 ( 896 kB) [ 0.000000] vmalloc : 0xe0800000 - 0xff000000 ( 488 MB) [ 0.000000] lowmem : 0xc0000000 - 0xe0000000 ( 512 MB) [ 0.000000] pkmap : 0xbfe00000 - 0xc0000000 ( 2 MB) [ 0.000000] modules : 0xbf800000 - 0xbfe00000 ( 6 MB) [ 0.000000] .text : 0xc0008000 - 0xc08e6a70 (9083 kB) [ 0.000000] .init : 0xc08e7000 - 0xc0939b80 ( 331 kB) [ 0.000000] .data : 0xc093a000 - 0xc09d1488 ( 606 kB) [ 0.000000] .bss : 0xc09d1488 - 0xc0ac706c ( 983 kB) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1 [ 0.000000] NR_IRQS:16 nr_irqs:16 16 [ 0.000000] IRQ: Found an INTC at 0xfa200000 (revision 5.0) with 128 interrupts [ 0.000000] Total of 128 interrupts on 1 active controller [ 0.000000] OMAP clockevent source: timer2 at 24000000 Hz [ 0.000010] sched_clock: 32 bits at 24MHz, resolution 41ns, wraps every 178956969942ns [ 0.000028] OMAP clocksource: timer1 at 24000000 Hz [ 0.000186] Console: colour dummy device 80x30 [ 0.000209] Calibrating delay loop... 996.14 BogoMIPS (lpj=4980736) [ 0.089539] pid_max: default: 32768 minimum: 301 [ 0.089607] Security Framework initialized [ 0.089682] AppArmor: AppArmor disabled by boot time parameter [ 0.089689] Yama: becoming mindful. [ 0.089858] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes) [ 0.089869] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes) [ 0.090357] Initializing cgroup subsys memory [ 0.090385] Initializing cgroup subsys devices [ 0.090395] Initializing cgroup subsys freezer [ 0.090405] Initializing cgroup subsys net_cls [ 0.090413] Initializing cgroup subsys blkio [ 0.090420] Initializing cgroup subsys perf_event [ 0.090464] CPU: Testing write buffer coherency: ok [ 0.090753] Setting up static identity map for 0x80574140 - 0x8057418c [ 0.093825] devtmpfs: initialized [ 0.095462] VFP support v0.3: implementor 41 architecture 3 part 30 variant c rev 3 [ 0.100956] omap_hwmod: tptc0 using broken dt data from edma [ 0.101025] omap_hwmod: tptc1 using broken dt data from edma [ 0.101084] omap_hwmod: tptc2 using broken dt data from edma [ 0.157535] xor: measuring software checksum speed [ 0.249512] arm4regs : 1247.200 MB/sec [ 0.349512] 8regs : 867.600 MB/sec [ 0.449510] 32regs : 890.800 MB/sec [ 0.549509] neon : 1697.200 MB/sec [ 0.549517] xor: using function: neon (1697.200 MB/sec) [ 0.549533] pinctrl core: initialized pinctrl subsystem [ 0.549882] regulator-dummy: no parameters [ 0.557028] NET: Registered protocol family 16 [ 0.557603] DMA: preallocated 256 KiB pool for atomic coherent allocations [ 0.558242] cpuidle: using governor ladder [ 0.558254] cpuidle: using governor menu [ 0.564201] pinctrl-single 44e10800.pinmux: 142 pins at pa f9e10800 size 568 [ 0.564941] platform 49000000.edma: alias fck already exists [ 0.564960] platform 49000000.edma: alias fck already exists [ 0.564972] platform 49000000.edma: alias fck already exists [ 0.565487] OMAP GPIO hardware version 0.1 [ 0.571260] No ATAGs? [ 0.571277] hw-breakpoint: debug architecture 0x4 unsupported. [ 0.572133] omap_init_mbox: hwmod doesn't have valid attrs [ 0.749559] raid6: int32x1 172 MB/s [ 0.919602] raid6: int32x2 252 MB/s [ 1.089653] raid6: int32x4 222 MB/s [ 1.259677] raid6: int32x8 189 MB/s [ 1.429553] raid6: neonx1 1335 MB/s [ 1.599520] raid6: neonx2 1494 MB/s [ 1.769541] raid6: neonx4 1189 MB/s [ 1.939611] raid6: neonx8 386 MB/s [ 1.939619] raid6: using algorithm neonx2 (1494 MB/s) [ 1.939625] raid6: using intx1 recovery algorithm [ 1.946017] edma-dma-engine edma-dma-engine.0: TI EDMA DMA engine driver [ 1.946505] vbat: 5000 mV [ 1.946716] vmmcsd_fixed: 3300 mV [ 1.948524] SCSI subsystem initialized [ 1.949169] usbcore: registered new interface driver usbfs [ 1.949229] usbcore: registered new interface driver hub [ 1.949352] usbcore: registered new device driver usb [ 1.951156] input: tps65217_pwr_but as /devices/ocp.3/44e0b000.i2c/i2c-0/0-0024/input/input0 [ 1.952344] DCDC1: at 1500 mV [ 1.953150] vdd_mpu: 925 <--> 1325 mV at 1325 mV [ 1.953914] vdd_core: 925 <--> 1150 mV at 1125 mV [ 1.954677] LDO1: at 1800 mV [ 1.955440] LDO2: at 3300 mV [ 1.956697] LDO3: 1800 mV [ 1.957453] LDO4: at 3300 mV [ 1.958156] tps65217 0-0024: TPS65217 ID 0xe version 1.2 [ 1.958730] omap_i2c 44e0b000.i2c: bus 0 rev0.11 at 400 kHz [ 1.960776] omap_i2c 4819c000.i2c: bus 2 rev0.11 at 100 kHz [ 1.960929] media: Linux media interface: v0.10 [ 1.960989] Linux video capture interface: v2.00 [ 1.961081] pps_core: LinuxPPS API ver. 1 registered [ 1.961088] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <[email protected]> [ 1.961111] PTP clock support registered [ 1.961784] Advanced Linux Sound Architecture Driver Initialized. [ 1.962313] NetLabel: Initializing [ 1.962324] NetLabel: domain hash size = 128 [ 1.962329] NetLabel: protocols = UNLABELED CIPSOv4 [ 1.962385] NetLabel: unlabeled traffic allowed by default [ 1.962598] Switched to clocksource timer1 [ 2.000188] NET: Registered protocol family 2 [ 2.000940] TCP established hash table entries: 4096 (order: 2, 16384 bytes) [ 2.000985] TCP bind hash table entries: 4096 (order: 2, 16384 bytes) [ 2.001023] TCP: Hash tables configured (established 4096 bind 4096) [ 2.001077] TCP: reno registered [ 2.001089] UDP hash table entries: 256 (order: 0, 4096 bytes) [ 2.001105] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes) [ 2.001246] NET: Registered protocol family 1 [ 2.001598] RPC: Registered named UNIX socket transport module. [ 2.001610] RPC: Registered udp transport module. [ 2.001616] RPC: Registered tcp transport module. [ 2.001622] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 2.002318] hw perfevents: enabled with ARMv7 Cortex-A8 PMU driver, 5 counters available [ 2.003690] futex hash table entries: 256 (order: -1, 3072 bytes) [ 2.003757] audit: initializing netlink subsys (disabled) [ 2.003809] audit: type=2000 audit(2.000:1): initialized [ 2.216893] VFS: Disk quotas dquot_6.5.2 [ 2.217068] Dquot-cache hash table entries: 1024 (order 0, 4096 bytes) [ 2.218581] NFS: Registering the id_resolver key type [ 2.218640] Key type id_resolver registered [ 2.218648] Key type id_legacy registered [ 2.218663] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 2.218920] fuse init (API version 7.23) [ 2.219302] SGI XFS with ACLs, security attributes, realtime, large block/inode numbers, no debug enabled [ 2.220858] msgmni has been set to 989 [ 2.221735] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 2.221829] io scheduler noop registered [ 2.221839] io scheduler deadline registered [ 2.221890] io scheduler cfq registered (default) [ 2.224180] Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled [ 2.225869] omap_uart 44e09000.serial: no wakeirq for uart0 [ 2.226167] 44e09000.serial: ttyO0 at MMIO 0x44e09000 (irq = 88, base_baud = 3000000) is a OMAP UART0 [ 3.069115] console [ttyO0] enabled [ 3.074194] omap_rng 48310000.rng: OMAP Random Number Generator ver. 20 [ 3.081298] [drm] Initialized drm 1.1.0 20060810 [ 3.086269] usbcore: registered new interface driver udl [ 3.091993] at24 0-0050: 32768 byte 24c256 EEPROM, writable, 1 bytes/write [ 3.099263] at24 2-0054: 32768 byte 24c256 EEPROM, writable, 1 bytes/write [ 3.106519] at24 2-0055: 32768 byte 24c256 EEPROM, writable, 1 bytes/write [ 3.113772] at24 2-0056: 32768 byte 24c256 EEPROM, writable, 1 bytes/write [ 3.121010] at24 2-0057: 32768 byte 24c256 EEPROM, writable, 1 bytes/write [ 3.130328] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 3.137235] ehci-platform: EHCI generic platform driver [ 3.142845] ehci-omap: OMAP-EHCI Host Controller driver [ 3.148470] usbcore: registered new interface driver usb-storage [ 3.155987] 47401300.usb-phy supply vcc not found, using dummy regulator [ 3.165089] musb-hdrc musb-hdrc.0.auto: MUSB HDRC host driver [ 3.171355] musb-hdrc musb-hdrc.0.auto: new USB bus registered, assigned bus number 1 [ 3.179810] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002 [ 3.186952] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 3.194538] usb usb1: Product: MUSB HDRC host driver [ 3.199745] usb usb1: Manufacturer: Linux 3.15.10-bone8 musb-hcd [ 3.206054] usb usb1: SerialNumber: musb-hdrc.0.auto [ 3.211821] hub 1-0:1.0: USB hub found [ 3.215810] hub 1-0:1.0: 1 port detected [ 3.220998] 47401b00.usb-phy supply vcc not found, using dummy regulator [ 3.230033] musb-hdrc musb-hdrc.1.auto: MUSB HDRC host driver [ 3.236340] musb-hdrc musb-hdrc.1.auto: new USB bus registered, assigned bus number 2 [ 3.244751] usb usb2: New USB device found, idVendor=1d6b, idProduct=0002 [ 3.251875] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 3.259467] usb usb2: Product: MUSB HDRC host driver [ 3.264686] usb usb2: Manufacturer: Linux 3.15.10-bone8 musb-hcd [ 3.270987] usb usb2: SerialNumber: musb-hdrc.1.auto [ 3.276761] hub 2-0:1.0: USB hub found [ 3.280722] hub 2-0:1.0: 1 port detected [ 3.292135] mousedev: PS/2 mouse device common for all mice [ 3.298397] i2c /dev entries driver [ 3.302470] IR Sharp protocol handler initialized [ 3.308484] omap_wdt: OMAP Watchdog Timer Rev 0x01: initial timeout 60 sec [ 3.315996] sdhci: Secure Digital Host Controller Interface driver [ 3.322475] sdhci: Copyright(c) Pierre Ossman [ 3.400084] mmc0: host does not support reading read-only switch. assuming write-enable. [ 3.408804] sdhci-pltfm: SDHCI platform and OF driver helper [ 3.415606] ledtrig-cpu: registered to indicate activity on CPUs [ 3.421999] hidraw: raw HID events driver (C) Jiri Kosina [ 3.427954] mmc0: new high speed SDHC card at address 1234 [ 3.434775] usbcore: registered new interface driver usbhid [ 3.440623] usbhid: USB HID core driver [ 3.444868] mmcblk0: mmc0:1234 SA04G 3.63 GiB [ 3.450524] ashmem: initialized [ 3.454059] mmcblk0: p1 [ 3.464454] davinci_evm sound.8: tlv320aic3x-hifi <-> 48038000.mcasp mapping ok [ 3.474922] oprofile: using arm/armv7 [ 3.478968] TCP: cubic registered [ 3.482976] NET: Registered protocol family 10 [ 3.488533] mip6: Mobile IPv6 [ 3.491654] NET: Registered protocol family 17 [ 3.496430] Key type dns_resolver registered [ 3.500908] mpls_gso: MPLS GSO support [ 3.506006] ThumbEE CPU extension supported. [ 3.510539] Registering SWP/SWPB emulation handler [ 3.515592] SmartReflex Class3 initialized [ 3.520793] registered taskstats version 1 [ 3.527035] Btrfs loaded [ 3.529805] vbat: disabling [ 3.532799] Error: Driver 'tfp410' is already registered, aborting... [ 3.575804] mmc1: BKOPS_EN bit is not set [ 3.582416] mmc1: new high speed MMC card at address 0001 [ 3.588554] mmcblk1: mmc1:0001 MMC02G 1.78 GiB [ 3.593541] mmcblk1boot0: mmc1:0001 MMC02G partition 1 1.00 MiB [ 3.599893] mmcblk1boot1: mmc1:0001 MMC02G partition 2 1.00 MiB [ 3.607855] mmcblk1: p1 p2 [ 3.612499] mmcblk1boot1: unknown partition table [ 3.618878] mmcblk1boot0: unknown partition table [ 3.654930] tda998x 0-0070: found TDA19988 [ 3.660124] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). [ 3.667084] [drm] No driver support for vblank timestamp query. [ 3.742673] usb 2-1: new high-speed USB device number 2 using musb-hdrc [ 3.763700] Console: switching to colour frame buffer device 160x64 [ 3.786838] tilcdc 4830e000.lcdc: fb0: frame buffer device [ 3.792706] tilcdc 4830e000.lcdc: registered panic notifier [ 3.798564] [drm] Initialized tilcdc 1.0.0 20121205 on minor 0 [ 3.862733] davinci_mdio 4a101000.mdio: davinci mdio revision 1.6 [ 3.869154] davinci_mdio 4a101000.mdio: detected phy mask fffffffe [ 3.876875] libphy: 4a101000.mdio: probed [ 3.881094] davinci_mdio 4a101000.mdio: phy[0]: device 4a101000.mdio:00, driver SMSC LAN8710/LAN8720 [ 3.891262] Detected MACID = c8:a0:30:ac:53:16 [ 3.896925] drivers/rtc/hctosys.c: unable to open rtc device (rtc0) [ 3.903565] sr_init: No PMIC hook to init smartreflex [ 3.908998] sr_init: platform driver register failed for SR [ 3.917835] net eth0: initializing cpsw version 1.12 (0) [ 3.926494] usb 2-1: New USB device found, idVendor=05e3, idProduct=0608 [ 3.933551] usb 2-1: New USB device strings: Mfr=0, Product=1, SerialNumber=0 [ 3.941034] usb 2-1: Product: USB2.0 Hub [ 3.946056] hub 2-1:1.0: USB hub found [ 3.950252] hub 2-1:1.0: 4 ports detected [ 4.003384] net eth0: phy found : id is : 0x7c0f1 [ 4.008385] libphy: PHY 4a101000.mdio:01 not found [ 4.013426] net eth0: phy 4a101000.mdio:01 not found on slave 1 [ 4.020685] net eth0: BQL enabled [ 4.029735] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready [ 4.232821] usb 2-1.1: new full-speed USB device number 3 using musb-hdrc [ 4.364433] usb 2-1.1: device v0a12 p0001 is not supported [ 4.370192] usb 2-1.1: New USB device found, idVendor=0a12, idProduct=0001 [ 4.377420] usb 2-1.1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 4.462824] usb 2-1.4: new full-speed USB device number 4 using musb-hdrc [ 4.564042] usb 2-1.4: device v05a4 p2000 is not supported [ 4.569799] usb 2-1.4: New USB device found, idVendor=05a4, idProduct=2000 [ 4.577025] usb 2-1.4: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [ 4.584707] usb 2-1.4: Product: [ 4.589548] usb 2-1.4: Manufacturer: [ 7.083226] cpsw 4a100000.ethernet eth0: Link is Up - 100Mbps/Full - flow control rx/tx [ 7.092644] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 7.112996] IP-Config: Complete: [ 7.116392] device=eth0, hwaddr=c8:a0:30:ac:53:16, ipaddr=10.100.116.105, mask=255.255.255.0, gw=10.100.116.1 [ 7.127279] host=10.100.116.105, domain=, nis-domain=(none) [ 7.133593] bootserver=10.100.116.73, rootserver=10.100.116.73, rootpath= [ 7.141315] ALSA device list: [ 7.144442] #0: DA830 EVM [ 7.177874] VFS: Mounted root (nfs filesystem) on device 0:14. [ 7.184386] devtmpfs: mounted [ 7.187873] Freeing unused kernel memory: 328K (c08e7000 - c0939000) INIT: version 2.88 booting INIT: /run/initctl is not a fifo Using makefile-style concurrent boot in runlevel S. INIT: Entering runlevel: 2 INIT: /run/initctl is not a fifo Using makefile-style concurrent boot in runlevel 2. INIT: /run/initctl is not a fifo [ 297.463950] random: nonblocking pool is initialized [ 602.132624] tilcdc 4830e000.lcdc: timeout waiting for framedone Regards, John -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
