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Turbo overclock
2nd Mar, 2014, 07:09 AM
Post: #3
min Offline
Registered
Posts: 54
Joined: Jan 2013
Reputation: 4
Re: Turbo overclock
There's a few posts about it in the beta 2 thread, and mk01 mentioned it was something to do with a firmware change. I don't know exactly how the firmware is affecting it.

I want to use Turbo because I can..or could! It really does make a difference, and when running from USB the stability is great; who wouldn't want their pi to be sensibly controlling it's cpu for the most power possible?

Setting the values you mentioned in the config.txt results in the same issue - I assumed that to set turbo is more than just setting the overclock and overvolt, since it's a firmware feature of the pi itself, with temperature management etc.

I'm running rc1, without any packages from dev or staging.



Here's a dmesg from a successful boot - I don't know how to get a dmesg from the unsuccessful boot, there's no ssh access.

Code:
[    0.000000] Switching to timer-based delay loop
[    0.000000] Console: colour dummy device 80x30
[    0.000000] console [tty1] enabled
[    0.000613] Calibrating delay loop (skipped), value calculated using timer frequency.. 2.00 BogoMIPS (lpj=1000)
[    0.000632] pid_max: default: 32768 minimum: 301
[    0.000795] Mount-cache hash table entries: 512
[    0.001550] Initializing cgroup subsys memory
[    0.001642] Initializing cgroup subsys blkio
[    0.001691] CPU: Testing write buffer coherency: ok
[    0.002065] Setting up static identity map for 0xc047d550 - 0xc047d588
[    0.004842] devtmpfs: initialized
[    0.016937] VFP support v0.3: implementor 41 architecture 1 part 20 variant b rev 5
[    0.017248] xor: measuring software checksum speed
[    0.026401]    arm4regs  :   972.000 MB/sec
[    0.036442]    8regs     :   472.000 MB/sec
[    0.046475]    32regs    :   460.000 MB/sec
[    0.046488] xor: using function: arm4regs (972.000 MB/sec)
[    0.046786] NET: Registered protocol family 16
[    0.052163] DMA: preallocated 4096 KiB pool for atomic coherent allocations
[    0.053659] bcm2708.uart_clock = 0
[    0.055182] hw-breakpoint: found 6 breakpoint and 1 watchpoint registers.
[    0.055199] hw-breakpoint: maximum watchpoint size is 4 bytes.
[    0.055210] mailbox: Broadcom VideoCore Mailbox driver
[    0.055281] bcm2708_vcio: mailbox at f200b880
[    0.055361] bcm_power: Broadcom power driver
[    0.055377] bcm_power_open() -> 0
[    0.055385] bcm_power_request(0, 8)
[    0.556073] bcm_mailbox_read -> 00000080, 0
[    0.556088] bcm_power_request -> 0
[    0.556286] Serial: AMBA PL011 UART driver
[    0.556401] dev:f1: ttyAMA0 at MMIO 0x20201000 (irq = 83, base_baud = 0) is a PL011 rev3
[    0.577206] bio: create slab <bio-0> at 0
[    0.594491] raid6: int32x1     46 MB/s
[    0.612075] raid6: int32x2     74 MB/s
[    0.628596] raid6: int32x4     93 MB/s
[    0.646029] raid6: int32x8    101 MB/s
[    0.646044] raid6: using algorithm int32x8 (101 MB/s)
[    0.646053] raid6: using intx1 recovery algorithm
[    0.646829] SCSI subsystem initialized
[    0.647145] usbcore: registered new interface driver usbfs
[    0.647241] usbcore: registered new interface driver hub
[    0.647457] usbcore: registered new device driver usb
[    0.649456] Switched to clocksource stc
[    0.649750] FS-Cache: Loaded
[    0.660136] NET: Registered protocol family 2
[    0.661276] TCP established hash table entries: 2048 (order: 2, 16384 bytes)
[    0.661358] TCP bind hash table entries: 2048 (order: 1, 8192 bytes)
[    0.661414] TCP: Hash tables configured (established 2048 bind 2048)
[    0.661541] TCP: reno registered
[    0.661565] UDP hash table entries: 256 (order: 0, 4096 bytes)
[    0.661594] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)
[    0.661942] NET: Registered protocol family 1
[    0.662400] RPC: Registered named UNIX socket transport module.
[    0.662421] RPC: Registered udp transport module.
[    0.662430] RPC: Registered tcp transport module.
[    0.662438] RPC: Registered tcp NFSv4.1 backchannel transport module.
[    0.662741] Unpacking initramfs...
[    1.454925] Freeing initrd memory: 6000K (c0a00000 - c0fdc000)
[    1.466547] bcm2708_dma: DMA manager at f2007000
[    1.466653] bcm2708_gpio: bcm2708_gpio_probe c057d960
[    1.467030] vc-mem: phys_addr:0x00000000 mem_base=0x1ec00000 mem_size:0x20000000(512 MiB)
[    1.468085] audit: initializing netlink socket (disabled)
[    1.468158] type=2000 audit(1.464:1): initialized
[    1.469215] zbud: loaded
[    1.469557] VFS: Disk quotas dquot_6.5.2
[    1.469637] Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
[    1.470075] FS-Cache: Netfs 'nfs' registered for caching
[    1.470497] NFS: Registering the id_resolver key type
[    1.470595] Key type id_resolver registered
[    1.470610] Key type id_legacy registered
[    1.470975] bio: create slab <bio-1> at 1
[    1.471424] Btrfs loaded
[    1.471635] msgmni has been set to 494
[    1.473508] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 250)
[    1.473533] io scheduler noop registered
[    1.473544] io scheduler deadline registered
[    1.473570] io scheduler cfq registered (default)
[    1.477440] crc32: CRC_LE_BITS = 32, CRC_BE BITS = 32
[    1.477475] crc32: self tests passed, processed 225944 bytes in 1849000 nsec
[    1.479421] crc32c: CRC_LE_BITS = 32
[    1.479433] crc32c: self tests passed, processed 225944 bytes in 943000 nsec
[    1.479850] BCM2708FB: allocated DMA memory 4e740000
[    1.479871] BCM2708FB: allocated DMA channel 0 @ f2007000
[    1.493661] Console: switching to colour frame buffer device 160x48
[    1.502055] uart-pl011 dev:f1: no DMA platform data
[    1.502370] Loading iSCSI transport class v2.0-870.
[    1.504992] libphy: Fixed MDIO Bus: probed
[    1.505115] usbcore: registered new interface driver smsc95xx
[    1.505176] dwc_otg: version 3.00a 10-AUG-2012 (platform bus)
[    1.705340] Core Release: 2.80a
[    1.705364] Setting default values for core params
[    1.705407] Finished setting default values for core params
[    1.905527] Using Buffer DMA mode
[    1.905546] Periodic Transfer Interrupt Enhancement - disabled
[    1.905556] Multiprocessor Interrupt Enhancement - disabled
[    1.905567] OTG VER PARAM: 0, OTG VER FLAG: 0
[    1.905633] Dedicated Tx FIFOs mode
[    1.905813] dwc_otg: Microframe scheduler enabled
[    1.905863] dwc_otg bcm2708_usb: DWC OTG Controller
[    1.905914] dwc_otg bcm2708_usb: new USB bus registered, assigned bus number 1
[    1.905965] dwc_otg bcm2708_usb: irq 32, io mem 0x00000000
[    1.906002] Init: Port Power? op_state=1
[    1.906012] Init: Power Port (0)
[    1.906247] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
[    1.906269] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[    1.906283] usb usb1: Product: DWC OTG Controller
[    1.906296] usb usb1: Manufacturer: Linux 3.12.7+ dwc_otg_hcd
[    1.906309] usb usb1: SerialNumber: bcm2708_usb
[    1.907110] hub 1-0:1.0: USB hub found
[    1.907181] hub 1-0:1.0: 1 port detected
[    1.907647] dwc_otg: FIQ enabled
[    1.907663] dwc_otg: NAK holdoff enabled
[    1.907671] dwc_otg: FIQ split fix enabled
[    1.907689] Module dwc_common_port init
[    1.908064] usbcore: registered new interface driver usb-storage
[    1.908359] mousedev: PS/2 mouse device common for all mice
[    1.909168] bcm2835-cpufreq: min=700000 max=840000 cur=700000
[    1.909274] bcm2835-cpufreq: switching to governor performance
[    1.909288] bcm2835-cpufreq: switching to governor performance
[    1.910432] sdhci: Secure Digital Host Controller Interface driver
[    1.910475] sdhci: Copyright(c) Pierre Ossman
[    1.910565] sdhci: Enable low-latency mode
[    1.939474] mmc0: SDHCI controller on BCM2708_Arasan [platform] using platform's DMA
[    1.939579] mmc0: BCM2708 SDHC host at 0x20300000 DMA 2 IRQ 77
[    1.939668] ledtrig-cpu: registered to indicate activity on CPUs
[    1.939804] hidraw: raw HID events driver (C) Jiri Kosina
[    1.942160] usbcore: registered new interface driver usbhid
[    1.942176] usbhid: USB HID core driver
[    1.945783] NET: Registered protocol family 17
[    1.945938] Key type dns_resolver registered
[    1.947284] zswap: loading zswap
[    1.947327] zswap: using lz4 compressor
[    1.948613] Freeing unused kernel memory: 132K (c0551000 - c0572000)
[    1.998711] mmc0: new high speed SDHC card at address 1234
[    2.002543] mmcblk0: mmc0:1234 SA04G 3.63 GiB
[    2.006020]  mmcblk0: p1 p2 p3
[    2.106898] Indeed it is in host mode hprt0 = 00021501
[    2.216158] udevd[56]: starting version 175
[    2.328612] usb 1-1: new high-speed USB device number 2 using dwc_otg
[    2.328790] Indeed it is in host mode hprt0 = 00001101
[    3.110146] usb 1-1: New USB device found, idVendor=0424, idProduct=9512
[    3.110173] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[    3.111187] hub 1-1:1.0: USB hub found
[    3.111322] hub 1-1:1.0: 3 ports detected
[    3.384784] usb 1-1.1: new high-speed USB device number 3 using dwc_otg
[    3.469164] usb 1-1.1: New USB device found, idVendor=0424, idProduct=ec00
[    3.469191] usb 1-1.1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[    3.472197] smsc95xx v1.0.4
[    3.517878] smsc95xx 1-1.1:1.0 eth0: register 'smsc95xx' at usb-bcm2708_usb-1.1, smsc95xx USB 2.0 Ethernet, b8:27:eb:f1:fd:af
[    3.562650] btrfs: device label xbian-beta2 devid 1 transid 91 /dev/mmcblk0p2
[    3.591672] usb 1-1.2: new high-speed USB device number 4 using dwc_otg
[    3.676839] usb 1-1.2: New USB device found, idVendor=152d, idProduct=2329
[    3.676866] usb 1-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=5
[    3.676879] usb 1-1.2: Product: USB to ATA/ATAPI bridge
[    3.676889] usb 1-1.2: Manufacturer: JMicron
[    3.676900] usb 1-1.2: SerialNumber: 7D577A0A5325
[    3.680258] usb-storage 1-1.2:1.0: USB Mass Storage device detected
[    3.684629] usb-storage 1-1.2:1.0: Quirks match for vid 152d pid 2329: 8020
[    3.684799] scsi0 : usb-storage 1-1.2:1.0
[    4.712824] scsi 0:0:0:0: Direct-Access     WDC WD20 EARX-00PASB0     51.0 PQ: 0 ANSI: 2 CCS
[    4.717887] sd 0:0:0:0: [sda] 3907027055 512-byte logical blocks: (2.00 TB/1.81 TiB)
[    4.718703] sd 0:0:0:0: [sda] Write Protect is off
[    4.718734] sd 0:0:0:0: [sda] Mode Sense: 28 00 00 00
[    4.719658] sd 0:0:0:0: [sda] No Caching mode page found
[    4.719686] sd 0:0:0:0: [sda] Assuming drive cache: write through
[    4.722628] sd 0:0:0:0: [sda] No Caching mode page found
[    4.722658] sd 0:0:0:0: [sda] Assuming drive cache: write through
[    4.752114] sd 0:0:0:0: Attached scsi generic sg0 type 0
[    5.139196]  sda: sda1 sda2
[    5.146274] sd 0:0:0:0: [sda] No Caching mode page found
[    5.146305] sd 0:0:0:0: [sda] Assuming drive cache: write through
[    5.146324] sd 0:0:0:0: [sda] Attached SCSI disk
[    5.564749] btrfs: device label xbian-copy devid 1 transid 127273 /dev/sda1
[    6.735586] btrfs: device label xbian-copy devid 1 transid 127273 /dev/sda1
[    6.891546] btrfs: device label xbian-copy devid 1 transid 127273 /dev/sda1
[    6.897625] btrfs: device label xbian-beta2 devid 1 transid 91 /dev/mmcblk0p2
[    6.914993] btrfs: device label xbian-beta2 devid 1 transid 91 /dev/mmcblk0p2
[    7.060090] btrfs: device label xbian-copy devid 1 transid 127273 /dev/sda1
[    7.081068] btrfs: device label xbian-copy devid 1 transid 127273 /dev/sda1
[    7.086425] btrfs: enabling auto defrag
[    7.086505] btrfs: use lzo compression
[    7.086532] btrfs: disk space caching is enabled
[   11.978721] FAT-fs (mmcblk0p1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[   12.273416] btrfs: device label xbian-copy devid 1 transid 127273 /dev/sda1
[   12.618551] btrfs: device label xbian-copy devid 1 transid 127274 /dev/sda1
[   13.038110] smsc95xx 1-1.1:1.0 eth0: hardware isn't capable of remote wakeup
[   13.808306] vchiq: vchiq_init_state: slot_zero = 0xd0804000, is_master = 0
[   13.817222] bcm2835-cpufreq: switching to governor powersave
[   13.817252] bcm2835-cpufreq: switching to governor powersave
[   13.825843] bcm2835-cpufreq: switching to governor performance
[   13.825875] bcm2835-cpufreq: switching to governor performance
[   14.668584] smsc95xx 1-1.1:1.0 eth0: link up, 100Mbps, full-duplex, lpa 0xCDE1
[   15.280440] udevd[728]: starting version 175
[   17.563387] init: failsafe main process (299) killed by TERM signal
[   20.401654] btrfs: disk space caching is enabled
[   22.878523] btrfs: device label xbian-beta2 devid 1 transid 91 /dev/mmcblk0p2
[   23.205632] btrfs: device label xbian-copy devid 1 transid 127276 /dev/sda1
[   45.334617] init: wait-for-state (xbmcxbmc-loaded) main process (861) killed by TERM signal
[   46.213189] init: xbian-failaccess main process (317) killed by TERM signal
[   46.227055] init: wait-for-state (usbmount/dev/sda2openbsd-inetd) main process (1059) killed by TERM signal
[   51.953369] EXT4-fs (sda2): recovery complete
[   51.967521] EXT4-fs (sda2): mounted filesystem with ordered data mode. Opts:
[   52.880221] init: wait-for-state (zram-swapxbmc-done) main process (378) killed by TERM signal
[   52.964434] init: xbmc-failed-start main process (597) killed by TERM signal
[   55.426258] Adding 250876k swap on /dev/mmcblk0p3.  Priority:0 extents:1 across:250876k SSFS
[   56.843092] btrfs: device label xbian-copy devid 1 transid 127278 /dev/sda1
[   59.015026] btrfs: device label xbian-copy devid 1 transid 127279 /dev/sda1
(END)


This is what currently works:

Terminal
root@xbian:~# cat /boot/config.txt
initramfs initramfs.gz 0x00a00000
gpu_mem_512=256
gpu_mem_256=100
initial_turbo=0
decode_MPG2=0x********
decode_WVC1=0x********
hdmi_ignore_cec_init=1
hdmi_ignore_cec=1
emmc_pll_core=0
arm_freq=840
core_freq=450
sdram_freq=450
over_voltage=0

This config & cmdline example does not boot:

Terminal
root@xbian:~# cat /boot/config.txt
initramfs initramfs.gz 0x00a00000
gpu_mem_512=256
gpu_mem_256=100
initial_turbo=0
decode_MPG2=0x********
decode_WVC1=0x********
hdmi_ignore_cec_init=1
hdmi_ignore_cec=1
emmc_pll_core=0
arm_freq=1000
core_freq=500
sdram_freq=500
over_voltage=6

root@xbian:~# cat /boot/cmdline.txt
telnet zswap.enabled=1
zswap.compressor=lz4
sdhci-bcm2708.sync_after_dma=0
dwc_otg.lpm_enable=0
console=tty1
root=/dev/sda1
rootflags=subvol=root/@,thread_pool=2,autodefrag,compress=lzo,commit=5
rootfstype=btrfs
rootwait
smsc95xx.turbo_mode=Y
elevator=cfq logo.nologo
quiet
noswap
loglevel=0
mod_scsi.scan=sync
partswap
startevent=mountall
nosplash nohdparm --startup-event mountall
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Messages In This Thread
Turbo overclock - min - 2nd Mar, 2014, 03:44 AM
RE: Turbo overclock - IriDium - 2nd Mar, 2014, 05:10 AM
Re: Turbo overclock - min - 2nd Mar, 2014 07:09 AM
RE: Turbo overclock - CurlyMo - 2nd Mar, 2014, 09:42 AM
RE: Turbo overclock - min - 2nd Mar, 2014, 10:23 AM
RE: Turbo overclock - mk01 - 16th Mar, 2014, 01:00 PM
RE: Turbo overclock - min - 29th Mar, 2014, 04:57 AM
RE: Turbo overclock - mk01 - 3rd Apr, 2014, 02:48 PM

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