3.15+: omap4: mmc: multi_v7: can't boot off mmc
I'm having an hard time making the vanilla v7_defconfig boot off the mmc on my pandaboard: [1.698272] omap_hsmmc 4809c000.mmc: unable to get vmmc regulator -517 [1.705139] platform 4809c000.mmc: Driver omap_hsmmc requests probe deferral [1.712890] omap_hsmmc 480d5000.mmc: unable to get vmmc regulator -517 [1.719787] platform 480d5000.mmc: Driver omap_hsmmc requests probe deferral [1.727691] sdhci-pltfm: SDHCI platform and OF driver helper [1.734619] usbcore: registered new interface driver usbhid [1.740478] usbhid: USB HID core driver [1.749359] TCP: cubic registered [1.752838] NET: Registered protocol family 17 [1.757690] Key type dns_resolver registered [1.762756] Power Management for TI OMAP4+ devices. [1.767883] Power Management for TI OMAP4. [1.772186] OMAP4 PM: u-boot >= v2012.07 is required for full PM support [1.779296] ThumbEE CPU extension supported. [1.779296] Registering SWP/SWPB emulation handler [1.790008] vwl1271: 1800 mV [1.794952] Skipping twl internal clock init and using bootloader value (unknown osc rate) [1.805358] twl 0-0048: PIH (irq 39) nested IRQs [1.811340] twl_rtc rtc.14: Power up reset detected. [1.817260] twl_rtc rtc.14: Enabling TWL-RTC [1.824249] twl_rtc rtc.14: rtc core: registered rtc.14 as rtc0 [1.831451] VAUX1_6030: 1000 <--> 3000 mV at 1800 mV [1.837677] VAUX2_6030: 1200 <--> 2800 mV at 1800 mV [1.844024] VAUX3_6030: 1000 <--> 3000 mV at 1200 mV [1.850311] VMMC: 1200 <--> 3000 mV at 3000 mV [1.855957] VPP: 1800 <--> 2500 mV at 1900 mV [1.861572] VUSIM: 1200 <--> 2900 mV at 1800 mV [1.866577] VDAC: 1800 mV [1.869964] VANA: 2100 mV [1.874114] VCXIO: 1800 mV [1.877624] VUSB: 3300 mV [1.881317] V1V8: 1800 mV [1.884979] V2V1: 2100 mV [1.967407] usb 1-1: new high-speed USB device number 2 using ehci-omap [2.094512] omap_i2c 4807.i2c: bus 0 rev0.10 at 400 kHz [2.104583] omap_i2c 48072000.i2c: bus 1 rev0.10 at 400 kHz [2.114044] omap_i2c 4806.i2c: bus 2 rev0.10 at 100 kHz [2.121582] hub 1-1:1.0: USB hub found [2.125854] hub 1-1:1.0: 5 ports detected [2.131744] omap_i2c 4835.i2c: bus 3 rev0.10 at 400 kHz [2.140686] omap_hsmmc 4809c000.mmc: pins are not configured from the driver [2.321166] twl_rtc rtc.14: setting system clock to 2000-01-01 00:00:00 UTC (946684800) [2.336578] ALSA device list: [2.339782] No soundcards found. [2.339782] VFS: Cannot open root device "mmcblk0p2" or unknown-block(0,0): error -6 [2.352478] Please append a correct "root=" boot option; here are the available partitions: [2.361297] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) [2.367980] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 3.14.0-12143-g552e691 #70 [2.377716] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [2.385864] [] (show_stack) from [] (dump_stack+0x88/0x98) [2.390289] [] (dump_stack) from [] (panic+0xa0/0x208) [2.400695] [] (panic) from [] (mount_block_root+0x1a0/0x230) [2.408569] [] (mount_block_root) from [] (mount_root+0x108/0x110) [2.408569] [] (mount_root) from [] (prepare_namespace+0x158/0x1a0) [2.425292] [] (prepare_namespace) from [] (kernel_init_freeable+0x1cc/0x1dc) [2.430084] [] (kernel_init_freeable) from [] (kernel_init+0x8/0xf0) [2.443145] [] (kernel_init) from [] (ret_from_fork+0x14/0x3c) [2.447967] CPU0: stopping [2.451110] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.14.0-12143-g552e691 #70 [2.451110] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [2.451110] [] (show_stack) from [] (dump_stack+0x88/0x98) [2.451110] [] (dump_stack) from [] (handle_IPI+0x148/0x174) [2.477386] [] (handle_IPI) from [] (gic_handle_irq+0x58/0x5c) [2.477386] [] (gic_handle_irq) from [] (__irq_svc+0x40/0x50) [2.477386] Exception stack(0xc0b6def0 to 0xc0b6df38) [2.506256] dee0: c0b7bf54 c0b7bf54 004c [2.506256] df00: 91be7a33 92080d44 eaf94de8 c0c8f2bc ea4bdd94 [2.523437] df20: 0010 c0b6df38 c06bcbf8 c06bcc04 6153 [2.523437] [] (__irq_svc) from [] (cpuidle_enter_state+0x68/0xf8) [2.523437] [] (cpuidle_enter_state) from [] (cpuidle_enter_state_coupled+0x130/0x378) [2.523437] [] (cpuidle_enter_state_coupled) from [] (cpu_startup_entry+0x200/0x230) [2.558868] [] (cpu_startup_entry) from [] (start_kernel+0x348/0x354) [2.567474] [] (start_kernel) from [<80208074>] (0x80208074) [2.567474] ---[ end Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) i tracked it down to the "PBIAS on DT" merge in 3.15-rc1: commit 97e18dc007546fce8e99098480b921a02ebb3037 Merge: 042f7b7 c674801 Author: Linus Torvalds Date: Wed Apr 9 08:39:39 2014 -0700 Merge tag 'mmc-updates-for-3.15-rc1' of git://git.kernel.org/
Re: 3.15+: omap4: mmc: multi_v7: can't boot off mmc
On 17:33-20140910, Paolo Pisati wrote: > I'm having an hard time making the vanilla v7_defconfig boot off the mmc on my > pandaboard: V3.15: https://github.com/nmenon/kernel-test-logs/blob/v3.15/multi_v7_defconfig/pandaboard-vanilla.txt https://github.com/nmenon/kernel-test-logs/blob/v3.15/multi_v7_defconfig/pandaboard-es.txt v3.16: https://github.com/nmenon/kernel-test-logs/blob/v3.16/multi_v7_defconfig/pandaboard-es.txt https://github.com/nmenon/kernel-test-logs/blob/v3.16/multi_v7_defconfig/pandaboard-vanilla.txt Latest tag: v3.17-rc4 https://github.com/nmenon/kernel-test-logs/blob/v3.17-rc4/multi_v7_defconfig/pandaboard-es.txt https://github.com/nmenon/kernel-test-logs/blob/v3.17-rc4/multi_v7_defconfig/pandaboard-vanilla.txt You might be interested in using partuuid to be careful about the probe order deltas that may take place. -- Regards, Nishanth Menon -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: 3.15+: omap4: mmc: multi_v7: can't boot off mmc
On Wed, Sep 10, 2014 at 11:50:01AM -0500, Nishanth Menon wrote: > On 17:33-20140910, Paolo Pisati wrote: > > I'm having an hard time making the vanilla v7_defconfig boot off the mmc on > > my > > pandaboard: > > V3.15: > https://github.com/nmenon/kernel-test-logs/blob/v3.15/multi_v7_defconfig/pandaboard-vanilla.txt > https://github.com/nmenon/kernel-test-logs/blob/v3.15/multi_v7_defconfig/pandaboard-es.txt are you 100% sure that this is a pure multi_v7_defconfig? because, by default, REGULATOR_PBIAS is off. > You might be interested in using partuuid to be careful about the probe > order deltas that may take place. i'm not sure i understood what you mean here. -- bye, p. -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: 3.15+: omap4: mmc: multi_v7: can't boot off mmc
On Thu, Sep 11, 2014 at 10:01:32AM +0200, Paolo Pisati wrote: > On Wed, Sep 10, 2014 at 11:50:01AM -0500, Nishanth Menon wrote: > > On 17:33-20140910, Paolo Pisati wrote: > > > I'm having an hard time making the vanilla v7_defconfig boot off the mmc > > > on my > > > pandaboard: > > > > V3.15: > > https://github.com/nmenon/kernel-test-logs/blob/v3.15/multi_v7_defconfig/pandaboard-vanilla.txt > > https://github.com/nmenon/kernel-test-logs/blob/v3.15/multi_v7_defconfig/pandaboard-es.txt > > are you 100% sure that this is a pure multi_v7_defconfig? because, by > default, > REGULATOR_PBIAS is off. > > > You might be interested in using partuuid to be careful about the probe > > order deltas that may take place. > > i'm not sure i understood what you mean here. ok, nevermind, i found the problem, i forgot the "rootwait" parameter in bootargs. -- bye, p. -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
