On Tue, Mar 31, 2009 at 4:33 PM, Kevin Hilman <khilman@xxxxxxxxxxxxxxxxxxx> wrote: > Russ Dill <russ.dill@xxxxxxxxx> writes: > >>> Russ, >>> >>> With the dump below, what was the output after you resumed? Which >>> powerdomains did not hit their target state? It looks like PER and >>> CORE did not hit target state. >> >> yes, yes, and yes. >> >>> Also, you didn't mention what hardware you're using or your .config or >>> your bootloader etc. All of these play an important role. >> >> Beagleboard B7, X-Loader 1.41, U-Boot 1.3.3 > > Not familiar with the all u-boot versions for this board, but is this > u-boot out of Steve Sakoman's tree? I had lots of problems with the > TI bootloader leaving Beagle in a strange state and switched to using > the one from Steve's tree. I have X-Loader 1.41 and: > > U-Boot 2009.01-rc1-00067-g8c6db17 (Jan 15 2009 - 16:31:00) I've updated: U-Boot 2009.01-dirty (Feb 19 2009 - 12:22:31) >>> >>> Here is at least one problem. >>> >>> Offset 0x40 is CM_CLKSEL_WKUP, and bit 0 shows which clock is the >>> source clock for GPTIMER1. Here, bit 0 is 1 which means SYS_CLK >>> is used as the timer source. >>> >>> Based on this, you must have: >>> >>> System Type --> TI OMAP Implementations --> System Timer >>> >>> set to 'MPU timer'. Please change to 32k timer. Using MPU timer will >>> keep timers not in WKUP powerdomain (which is all of them except GPT1) >>> running across suspend, preventing PER from hitting RET. >>> >>> Using the 32k timer only uses GPT1 and sources it from the 32k clock, both >>> of which are in the WKUP powerdomain. >> >> Nope, I have the following kernel message: >> >> OMAP clockevent source: GPTIMER12 at 32768 Hz >> >> and the following Kconfig options (also see the attached .config) > > Right, I forgot Beagle is using GPT12, not GPT1. nevermind. > >> Texas Instruments X-Loader 1.41 >> Starting OS Bootloader... >> >> >> U-Boot 1.3.3 (Jul 10 2008 - 16:33:09) > > First recommendation is to upgrade your bootloder: > > http://elinux.org/BeagleBoard#U-Boot > > The earlier bootloaders seem to be blindly enabling reserved bits in > some of the PM registers which can leave the chip in an undefined > state. > >> OMAP3530-GP rev 2, CPU-OPP2 L3-165MHz >> OMAP3 Beagle Board + LPDDR/NAND >> DRAM: 128 MB >> NAND: 256 MiB >> In: serial >> Out: serial >> Err: serial >> Audio Tone on Speakers ... complete >> Hit any key to stop autoboot: 0 >> >> NAND read: device 0 offset 0x280000, size 0x400000 >> 4194304 bytes read: OK >> ## Booting kernel from Legacy Image at 80000000 ... >> Image Name: Linux-2.6.29-omap1-pm >> Image Type: ARM Linux Kernel Image (uncompressed) >> Data Size: 1476992 Bytes = 1.4 MB >> Load Address: 80008000 >> Entry Point: 80008000 >> Verifying Checksum ... OK >> Loading Kernel Image ... OK >> OK >> >> Starting kernel ... >> >> Uncompressing Linux................................................................................................ >> done, booting the kern. >> Linux version 2.6.29-omap1-pm (russ@russ-laptop) (gcc version 4.3.1 >> (GCC) ) #47 PREEMPT Tue Mar 31 14:13:51 MST 2009 >> CPU: ARMv7 Processor [411fc083] revision 3 (ARMv7), cr=10c5387f >> CPU: VIPT nonaliasing data cache, VIPT nonaliasing instruction cache >> Machine: OMAP3 Beagle Board >> Memory policy: ECC disabled, Data cache writeback >> OMAP3430 ES3.0 >> SRAM: Mapped pa 0x40200000 to va 0xd7000000 size: 0x100000 >> Built 1 zonelists in Zone order, mobility grouping on. Total pages: 32512 >> Kernel command line: console=ttyS2,115200n8 root=/dev/mtdblock4 >> rootfstype=jffs2 rw g_ether.host_addr=B6:A3:A1:7D:8F:F0 >> omapfb.mode=dvi:126 >> Unknown boot option `g_ether.host_addr=B6:A3:A1:7D:8F:F0': ignoring >> Unknown boot option `omapfb.mode=dvi:1280x720M-16': ignoring >> Clocking rate (Crystal/DPLL/ARM core): 26.0/332/500 MHz >> Reprogramming SDRC >> GPMC revision 5.0 >> IRQ: Found an INTC at 0xd8200000 (revision 4.0) with 96 interrupts >> Total of 96 interrupts on 1 active controller >> OMAP34xx GPIO hardware version 2.5 >> PID hash table entries: 512 (order: 9, 2048 bytes) >> OMAP clockevent source: GPTIMER12 at 32768 Hz >> Console: colour dummy device 80x30 >> Dentry cache hash table entries: 16384 (order: 4, 65536 bytes) >> Inode-cache hash table entries: 8192 (order: 3, 32768 bytes) >> Memory: 128MB = 128MB total >> Memory: 126648KB available (2692K code, 299K data, 96K init) >> Calibrating delay loop... 491.57 BogoMIPS (lpj=1921024) >> Mount-cache hash table entries: 512 >> CPU: Testing write buffer coherency: ok >> net_namespace: 544 bytes >> regulator: core version 0.5 >> NET: Registered protocol family 16 >> Found NAND on CS0 >> Registering NAND on CS0 >> OMAP DMA hardware revision 4.0 >> bio: create slab <bio-0> at 0 >> i2c_omap i2c_omap.1: bus 1 rev3.12 at 2600 kHz >> twl4030: PIH (irq 7) chaining IRQs 368..375 >> twl4030: power (irq 373) chaining IRQs 376..383 >> twl4030: gpio (irq 368) chaining IRQs 384..401 >> beagle_twl_gpio_setup:145 >> twl4030_mmc_init:324 >> twl4030_mmc_init:339 >> regulator: VMMC1: 1850 <--> 3150 mV normal standby >> regulator: VDAC: 1800 mV normal standby >> regulator: VUSB1V5: 1500 <--> 0 mV normal standby >> regulator: VUSB1V8: 1800 <--> 0 mV normal standby >> regulator: VUSB3V1: 3100 <--> 0 mV normal standby >> regulator: VPLL2: 1800 mV normal standby >> regulator: VSIM: 1800 <--> 3000 mV normal standby >> i2c_omap i2c_omap.3: bus 3 rev3.12 at 100 kHz >> SCSI subsystem initialized >> twl4030_usb twl4030_usb: Initialized TWL4030 USB module >> 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 >> NET: Registered protocol family 1 >> VFS: Disk quotas dquot_6.5.2 >> Dquot-cache hash table entries: 1024 (order 0, 4096 bytes) >> JFFS2 version 2.2. (NAND) © 2001-2006 Red Hat, Inc. >> msgmni has been set to 247 >> alg: No test for stdrng (krng) >> io scheduler noop registered (default) >> omapfb: configured for panel omap3beagle >> omapfb: skipping hardware initialization >> omapfb: DISPC version 3.0 initialized >> Console: switching to colour frame buffer device 128x48 >> omapfb: Framebuffer initialized. Total vram 1572864 planes 1 >> omapfb: Pixclock 64000 kHz hfreq 59.0 kHz vfreq 76.9 Hz >> Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled >> serial8250.0: ttyS0 at MMIO 0x4806a000 (irq = 72) is a ST16654 >> serial8250.0: ttyS1 at MMIO 0x4806c000 (irq = 73) is a ST16654 >> serial8250.0: ttyS2 at MMIO 0x49020000 (irq = 74) is a ST16654 >> console [ttyS2] enabled >> i2c /dev entries driver >> Driver 'sd' needs updating - please use bus_type methods >> omap2-nand driver initializing >> NAND device: Manufacturer ID: 0x2c, Chip ID: 0xba (Micron NAND 256MiB >> 1,8V 16-bit) >> cmdlinepart partition parsing not available >> Creating 5 MTD partitions on "omap2-nand": >> 0x000000000000-0x000000080000 : "X-Loader" >> 0x000000080000-0x000000260000 : "U-Boot" >> 0x000000260000-0x000000280000 : "U-Boot Env" >> 0x000000280000-0x000000680000 : "Kernel" >> 0x000000680000-0x000010000000 : "File System" >> twl4030_rtc twl4030_rtc: rtc core: registered twl4030_rtc as rtc0 >> cpuidle: using governor ladder >> cpuidle: using governor menu >> mmci-omap-hs mmci-omap-hs.0: Failed to get debounce clock >> TCP cubic registered >> NET: Registered protocol family 17 >> NET: Registered protocol family 15 >> Power Management for TI OMAP3. >> pm_dbg_init() >> Disabling unused clock "sr2_fck" >> Disabling unused clock "sr1_fck" >> Disabling unused clock "mcbsp_fck" >> Disabling unused clock "mcbsp_fck" >> Disabling unused clock "mcbsp_fck" >> Disabling unused clock "mcbsp_ick" >> Disabling unused clock "mcbsp_ick" >> Disabling unused clock "mcbsp_ick" >> Disabling unused clock "gpt2_ick" >> Disabling unused clock "gpt3_ick" >> Disabling unused clock "gpt4_ick" >> Disabling unused clock "gpt5_ick" >> Disabling unused clock "gpt6_ick" >> Disabling unused clock "gpt7_ick" >> Disabling unused clock "gpt8_ick" >> Disabling unused clock "gpt9_ick" >> Disabling unused clock "wdt3_ick" >> Disabling unused clock "wdt3_fck" >> Disabling unused clock "gpio2_dbck" >> Disabling unused clock "gpio3_dbck" >> Disabling unused clock "gpio4_dbck" >> Disabling unused clock "gpio5_dbck" >> Disabling unused clock "gpio6_dbck" >> Disabling unused clock "gpt9_fck" >> Disabling unused clock "gpt8_fck" >> Disabling unused clock "gpt7_fck" >> Disabling unused clock "gpt6_fck" >> Disabling unused clock "gpt5_fck" >> Disabling unused clock "gpt4_fck" >> Disabling unused clock "gpt3_fck" >> Disabling unused clock "gpt2_fck" >> Disabling unused clock "gpt1_ick" >> Disabling unused clock "wdt1_ick" >> Disabling unused clock "wdt2_ick" >> Disabling unused clock "wdt2_fck" >> Disabling unused clock "gpio1_dbck" >> Disabling unused clock "gpt1_fck" >> Disabling unused clock "cam_ick" >> Disabling unused clock "cam_mclk" >> Disabling unused clock "dss_96m_fck" >> Disabling unused clock "des1_ick" >> Disabling unused clock "sha11_ick" >> Disabling unused clock "rng_ick" >> Disabling unused clock "aes1_ick" >> Disabling unused clock "ssi_ick" >> Disabling unused clock "mailboxes_ick" >> Disabling unused clock "mcbsp_ick" >> Disabling unused clock "mcbsp_ick" >> Disabling unused clock "gpt10_ick" >> Disabling unused clock "gpt11_ick" >> Disabling unused clock "i2c_ick" >> Disabling unused clock "mcspi_ick" >> Disabling unused clock "mcspi_ick" >> Disabling unused clock "mcspi_ick" >> Disabling unused clock "mcspi_ick" >> Disabling unused clock "hdq_ick" >> Disabling unused clock "mspro_ick" >> Disabling unused clock "des2_ick" >> Disabling unused clock "sha12_ick" >> Disabling unused clock "aes2_ick" >> Disabling unused clock "icr_ick" >> Disabling unused clock "pka_ick" >> Disabling unused clock "hsotgusb_ick" >> Disabling unused clock "ssi_ssr_fck" >> Disabling unused clock "hdq_fck" >> Disabling unused clock "mcspi_fck" >> Disabling unused clock "mcspi_fck" >> Disabling unused clock "mcspi_fck" >> Disabling unused clock "mcspi_fck" >> Disabling unused clock "mcbsp_fck" >> Disabling unused clock "mcbsp_fck" >> Disabling unused clock "i2c_fck" >> Disabling unused clock "mspro_fck" >> Disabling unused clock "gpt11_fck" >> Disabling unused clock "gpt10_fck" >> Disabling unused clock "sad2d_ick" >> Disabling unused clock "dpll5_ck" >> clock: dpll5_ck failed transition to 'locked' >> Disabling unused clock "dpll4_m6x2_ck" >> Disabling unused clock "dpll4_m3x2_ck" >> Disabling unused clock "dpll3_m3x2_ck" >> Disabling unused clock "sys_clkout1" >> VFP support v0.3: implementor 41 architecture 3 part 30 variant c rev 1 >> twl4030_rtc twl4030_rtc: setting system clock to 2009-02-28 14:45:54 >> UTC (1235832354) >> Empty flash at 0x014d884c ends at 0x014d9000 >> Empty flash at 0x0365d678 ends at 0x0365d800 >> Empty flash at 0x03d4b128 ends at 0x03d4b800 >> Empty flash at 0x065f2240 ends at 0x065f2800 >> Empty flash at 0x081d3c08 ends at 0x081d4000 >> jffs2_scan_dirent_node(): Node CRC failed on node at 0x082bdfe4: Read >> 0xffffffff, calculated 0x8bd04d99 >> Empty flash at 0x082be01c ends at 0x082be800 >> Empty flash at 0x0ee1e7cc ends at 0x0ee1e800 >> JFFS2 error: (1) jffs2_build_inode_pass1: child dir "players" (ino >> #35930) of dir ino #35929 appears to be a hard link >> VFS: Mounted root (jffs2 filesystem) on device 31:4. >> Freeing init memory: 96K >> INIT: version 2.86 booting > > Hmm, you have rootfs on NAND. I haven't tested NAND to know if that > driver might prevent RET. It "should" be fine, but I am not sure. I > know that OneNAND doesn't, and MMC doesn't. Any chance you could try > with rootfs on MMC? > > I also recommend you boot with minimal rootfs by appending 'init=/bin/sh' > to the commandline. That elminates any userspace stuff for now that might > be interfering as well. > >> Please wait: booting... >> Starting udevudevd version 124 started >> >> Remounting root file system... >> uncorrectable error : <3>uncorrectable error : <3>end_request: I/O >> error, dev mtdblock0, sector 0 >> Buffer I/O error on device mtdblock0, logical block 0 >> uncorrectable error : <3>end_request: I/O error, dev mtdblock0, sector 8 >> Buffer I/O error on device mtdblock0, logical block 1 >> uncorrectable error : <3>end_request: I/O error, dev mtdblock0, sector 16 >> Buffer I/O error on device mtdblock0, logical block 2 >> uncorrectable error : <3>end_request: I/O error, dev mtdblock0, sector 24 >> Buffer I/O error on device mtdblock0, logical block 3 >> uncorrectable error : <3>uncorrectable error : <3>end_request: I/O >> error, dev mtdblock0, sector 0 >> Buffer I/O error on device mtdblock0, logical block 0 >> logger: mount: mount point /proc/bus/usb does not exist >> ALSA: Restoring mixer settings... >> Configuring network interfaces... done. >> Starting portmap daemon: portmap. >> net.ipv4.conf.default.rp_filter = 1 >> net.ipv4.conf.all.rp_filter = 1 >> /usr/sbin/alsactl: load_state:1616: No soundcards found... >> INIT: Entering runlevel: 5 >> No LEDs detected >> Starting Dropbear SSH server: dropbear. >> Starting advanced power management daemon: No APM support in kernel >> (failed.) >> Starting system message bus: dbus. >> Starting Hardware abstraction layer hald >> Starting syslogd/klogd: done >> * Starting Avahi mDNS/DNS-SD Daemon: avahi-daemon >> [ ok ] >> Starting Bluetooth subsystem: hcid hid2hci. >> Starting hidd... >> Can't open HIDP control socket: Address family not supported by protocol >> Starting pand... >> Failed to open control socket: Address family not supported by protocol >> Running ntpdate to synchronize clockError : Temporary failure in name resolution >> . >> ERROR: Module omaplfb does not exist in /proc/modules >> ERROR: Module pvrsrvkm does not exist in /proc/modules >> Usage: insmod filename [args] >> FATAL: Module omaplfb not found. >> mknod: missing operand after `0' >> Try `mknod --help' for more information. >> chmod: cannot access `/dev/pvrsrvkm': No such file or directory >> /dev/mem opened. >> Memory mapped at address 0x4001f000. >> Value at address 0x48004B40 (0x4001fb40): 0x2 >> Written 0x0; readback 0x0 >> Starting GPE display manager: gpe-dm >> >> .-------. >> | | .-. >> | | |-----.-----.-----.| | .----..-----.-----. >> | | | __ | ---'| '--.| .-'| | | >> | | | | | |--- || --'| | | ' | | | | >> '---'---'--'--'--. |-----''----''--' '-----'-'-'-' >> -' | >> '---' >> >> The Angstrom Distribution beagleboard ttyS2 >> >> Angstrom 2009.X-test-20090309 beagleboard ttyS2 >> >> beagleboard login: root >> root@beagleboard:~# mount /debug/ >> root@beagleboard:~# cd /sys/power/ >> root@beagleboard:/sys/power# echo 1 > clocks_off_while_idle >> root@beagleboard:/sys/power# dmesg -n 8 >> root@beagleboard:/sys/power# echo mem > state >> PM: Syncing filesystems ... done. >> PM: Preparing system for mem sleep >> Freezing user space processes ... (elapsed 0.00 seconds) done. >> Freezing remaining freezable tasks ... (elapsed 0.00 seconds) done. >> PM: Entering mem sleep >> Suspending console(s) (use no_console_suspend to debug) >> omapfb omapfb: timeout waiting for FRAME DONE >> clockdomain: clkdm per_clkdm: removing clk uart3_ick >> clockdomain: clkdm per_clkdm: removing clk per_48m_fck >> clockdomain: clkdm per_clkdm: removing clk uart3_fck >> clockdomain: clkdm per_clkdm: adding clk uart3_ick >> clockdomain: clkdm per_clkdm: adding clk uart3_fck >> clockdomain: clkdm per_clkdm: adding clk per_48m_fck >> Powerdomain (core_pwrdm) didn't enter target state 1 >> Powerdomain (per_pwrdm) didn't enter target state 1 >> Could not enter target state in pm_suspend >> PM: Finishing wakeup. >> Restarting tasks ... done. >> root@beagleboard:/sys/power# cat /debug/pm_debug/count >> usbhost_pwrdm (RET),OFF:0,RET:1,INA:0,ON:1 >> sgx_pwrdm (OFF),OFF:1,RET:0,INA:0,ON:1 >> per_pwrdm (ON),OFF:0,RET:0,INA:0,ON:1 >> dss_pwrdm (ON),OFF:0,RET:1,INA:0,ON:2 >> cam_pwrdm (RET),OFF:0,RET:1,INA:0,ON:1 >> core_pwrdm (ON),OFF:0,RET:0,INA:0,ON:1 >> neon_pwrdm (ON),OFF:0,RET:1,INA:958,ON:960 >> mpu_pwrdm (ON),OFF:0,RET:1,INA:958,ON:960 >> iva2_pwrdm (RET),OFF:0,RET:1,INA:0,ON:1 >> per_clkdm->per_pwrdm (9) >> usbhost_clkdm->usbhost_pwrdm (0) >> cam_clkdm->cam_pwrdm (0) >> dss_clkdm->dss_pwrdm (2) >> core_l4_clkdm->core_pwrdm (11) >> core_l3_clkdm->core_pwrdm (4) >> d2d_clkdm->core_pwrdm (0) >> sgx_clkdm->sgx_pwrdm (0) >> iva2_clkdm->iva2_pwrdm (0) >> neon_clkdm->neon_pwrdm (0) >> mpu_clkdm->mpu_pwrdm (0) >> virt_opp_clkdm->wkup_pwrdm (0) >> prm_clkdm->wkup_pwrdm (10) >> cm_clkdm->core_pwrdm (4) >> root@beagleboard:/sys/power# cat /debug/pm_debug/registers/1 >> MOD: CM_IVA2 (48014000) >> 04 => 00000037 20 => 00000001 34 => 00000001 40 => 0009680c >> 44 => 00000001 48 => 00000003 >> MOD: CM_OCP (48004800) >> 00 => 00000010 10 => 00000001 >> MOD: CM_MPU (48004900) >> 04 => 00000037 24 => 00000001 34 => 00000001 40 => 0011f40c >> 44 => 00000001 48 => 00000003 4c => 00000001 >> MOD: CM_CORE (48004a00) >> 10 => 00000042 20 => ffffffbd 24 => 0000001f 28 => 0000000d >> 30 => fffffed9 34 => 0000001f 38 => 0000000c 40 => 0000030a >> 48 => 0000003f 4c => 00000003 >> MOD: CM_SGX (48004b00) >> 20 => 00000001 48 => 00000003 >> MOD: CM_WKUP (48004c00) >> 10 => 0000000e 20 => 000002f1 30 => 0000003f 40 => 00000015 >> MOD: CM_CCR (48004d00) >> 00 => f8311037 04 => 00000017 20 => 00000201 30 => 00000009 >> 34 => 00000001 40 => 094c0c00 44 => 0001b00c 48 => 00000009 >> 50 => 00000001 70 => 00000003 >> MOD: CM_DSS (48004e00) >> 20 => 00000003 30 => 00000001 40 => 00001006 48 => 00000003 >> MOD: CM_CAM (48004f00) >> 20 => 00000001 30 => 00000001 40 => 00000004 48 => 00000003 >> MOD: CM_PER (48005000) >> 10 => 0003e000 20 => 00001fff 30 => 0003ffff 40 => 000000ff >> 44 => 00000006 48 => 00000003 4c => 00000001 >> MOD: CM_EMU (48005100) >> 40 => 03020a50 48 => 00000001 >> MOD: CM_NEON (48005300) >> 48 => 00000003 >> MOD: CM_USB (48005400) >> 20 => 00000003 30 => 00000001 48 => 00000003 >> MOD: PRM_IVA2 (48316000) >> 50 => 00000007 e0 => 00ff0f05 e4 => 00000555 e8 => 00000555 >> f8 => 00000005 >> MOD: PRM_OCP (48306800) >> 04 => 00000010 14 => 00000001 1c => 00000201 >> MOD: PRM_MPU (48306900) >> 58 => 00000001 d4 => 00000012 e0 => 00030105 e4 => 000000c7 >> e8 => 000000c7 >> MOD: PRM_CORE (48306a00) >> 58 => 00000301 a0 => c33ffe18 a4 => c33ffe18 a8 => c33ffe18 >> e0 => 000f0305 e4 => 000000f7 e8 => 000000f7 f0 => 00000004 >> f4 => 00000004 f8 => 00000004 >> MOD: PRM_SGX (48306b00) >> e0 => 00030104 >> MOD: PRM_WKUP (48306c00) >> a0 => 0000010b a4 => 0000010b >> MOD: PRM_CCR (48306d00) >> 40 => 00000003 >> MOD: PRM_DSS (48306e00) >> 58 => 00000001 a0 => 00000001 e0 => 00030105 e4 => 00000001 >> e8 => 00000001 >> MOD: PRM_CAM (48306f00) >> 58 => 00000001 e0 => 00030105 e4 => 00000001 e8 => 00000001 >> MOD: PRM_PER (48307000) >> 58 => 00000001 a0 => 0003efff a4 => 0003efff a8 => 0003efff >> c8 => 00000007 e0 => 00030105 e4 => 00000007 e8 => 00000007 >> MOD: PRM_EMU (48307100) >> 58 => 00000001 e4 => 00000100 >> MOD: PRM_GLBL (48307200) >> 20 => 00120012 24 => 00010000 2c => 301e1e30 30 => 2c1e1e2c >> 34 => 00120000 38 => 00000018 54 => 00001006 58 => 00000001 >> 60 => 00000002 64 => 00000050 70 => 00000088 90 => 0fff0fff >> 94 => 000000ff 98 => 000000ff 9c => 00000002 a0 => 000000ff >> c4 => 00000001 e4 => 00000001 >> MOD: PRM_NEON (48307300) >> 58 => 00000001 c8 => 00000002 e0 => 00000005 e4 => 00000003 >> e8 => 00000003 >> MOD: PRM_USB (48307400) >> 58 => 00000001 a0 => 00000001 a4 => 00000001 a8 => 00000001 >> e0 => 00030105 e4 => 00000001 e8 => 00000001 >> root@beagleboard:/sys/power# > > The main thing that I see in this dump is that some of the bits marked > reserved in the TRM (such as SSI, SDMA etc.) are not auto-idled. The > kernel isn't currently taking care of these corner cases and relies on > the bootloader not to blindly enable things. > > After you update bootloaders, could you post the same results? > root@beagleboard:/sys/power# echo 1 > clocks_off_while_idle root@beagleboard:/sys/power# echo 1 > enable_off_mode root@beagleboard:/sys/power# echo 1 > voltage_off_while_idle root@beagleboard:/sys/power# echo mem > state PM: Syncing filesystems ... done. Freezing user space processes ... (elapsed 0.00 seconds) done. Freezing remaining freezable tasks ... (elapsed 0.00 seconds) done. Suspending console(s) (use no_console_suspend to debug) omapfb omapfb: timeout waiting for FRAME DONE Successfully put all powerdomains to target state Restarting tasks ... done. Neato :) This is still with all the user processes running an with a NAND filesystem. I'm still getting rather high ~80mA@5V power consumption, so I'll need to further investigate what rails the twl4030 is actually turning off. -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
