Hi Felipe, On Sep 6, 2012, at 8:41 PM, Felipe Balbi wrote: > Hi, > > On Thu, Sep 06, 2012 at 08:42:56PM +0300, Pantelis Antoniou wrote: >> >> On Sep 6, 2012, at 8:37 PM, Felipe Balbi wrote: >> >>> Hi, >>> >>> On Thu, Sep 06, 2012 at 08:36:39PM +0300, Pantelis Antoniou wrote: >>>> Hi Felipe >>>> >>>> I see about __devinit. >>>> There's no crash because in those logs the __init modifiers are gone. >>> >>> it'd be cool to see the crash, though ;-) >>> >>> -- >>> balbi >> >> Heh, OK, >> >> My word is not enough? :) >> >> Gimme a few minutes... > > Didn't say that, but I don't know what issue you're talking about since > __devinit is supposed to keep .devinit.text intact unless !HOTPLUG. > > This could be a bug on some linker script (though unlikely) just trying > to get understand the issue before I apply the patch, that's all. > > -- > balbi With my init removal patch reverted, but with the instrumentation printk still in Board hanged this time. It is not certain you will crash, you might get a hang or anything else. It all depends on what kind of garbage is there in memory when you start calling into the void. The results are boundedly undefined :) Regards -- Pantelis > root@beagleboard:~# modprobe omap2430 > [ 119.741851] drivers/usb/musb/omap2430.c:584 (omap2430) omap2430_init > [ 119.748870] drivers/usb/musb/omap2430.c:445 (omap2430) omap2430_probe > root@beagleboard:~# [ 119.797760] drivers/usb/musb/musb_core.c:2409 (musb_hdrc) musb_init > [ 119.804504] musb-hdrc: version 6.0, ?dma?, otg (peripheral+host) > [ 119.811004] drivers/usb/musb/musb_core.c:2118 (musb_hdrc) musb_probe > [ 119.817962] drivers/usb/musb/musb_core.c:1888 (musb_hdrc) musb_init_controller > [ 119.825622] drivers/usb/musb/musb_core.c:1813 (musb_hdrc) allocate_instance > [ 119.841735] twl4030_usb twl4030_usb: twl4030_phy_resume > [ 119.847290] drivers/usb/musb/musbhsdma.c:391 (musb_hdrc) dma_controller_create > [ 119.855041] drivers/usb/musb/musb_core.c:1388 (musb_hdrc) musb_core_init > [ 119.862121] musb-hdrc: ConfigData=0xde (UTMI-8, dyn FIFOs, bulk combine, bulk split, HB-ISO Rx, HB-ISO Tx, SoftConn) > [ 119.873229] musb-hdrc: MHDRC RTL version 1.800 > [ 119.877990] drivers/usb/musb/musb_core.c:1246 (musb_hdrc) ep_config_from_table > [ 119.885620] musb-hdrc: setup fifo_mode 4 > [ 119.889801] drivers/usb/musb/musb_core.c:1173 (musb_hdrc) fifo_setup > [ 119.896514] drivers/usb/musb/musb_core.c:1173 (musb_hdrc) fifo_setup > [ 119.903228] drivers/usb/musb/musb_core.c:1173 (musb_hdrc) fifo_setup > [ 119.909912] drivers/usb/musb/musb_core.c:1173 (musb_hdrc) fifo_setup > [ 119.916625] drivers/usb/musb/musb_core.c:1173 (musb_hdrc) fifo_setup > [ 119.923339] drivers/usb/musb/musb_core.c:1173 (musb_hdrc) fifo_setup > [ 119.930084] drivers/usb/musb/musb_core.c:1173 (musb_hdrc) fifo_setup > [ 119.936798] drivers/usb/musb/musb_core.c:1173 (musb_hdrc) fifo_setup > [ 119.943542] drivers/usb/musb/musb_core.c:1173 (musb_hdrc) fifo_setup > [ 119.950256] drivers/usb/musb/musb_core.c:1173 (musb_hdrc) fifo_setup > [ 119.956939] drivers/usb/musb/musb_core.c:1173 (musb_hdrc) fifo_setup > [ 119.963653] drivers/usb/musb/musb_core.c:1173 (musb_hdrc) fifo_setup > [ 119.970367] drivers/usb/musb/musb_core.c:1173 (musb_hdrc) fifo_setup > [ 119.977081] drivers/usb/musb/musb_core.c:1173 (musb_hdrc) fifo_setup > [ 119.983825] drivers/usb/musb/musb_core.c:1173 (musb_hdrc) fifo_setup > [ 119.990539] drivers/usb/musb/musb_core.c:1173 (musb_hdrc) fifo_setup > [ 119.997253] drivers/usb/musb/musb_core.c:1173 (musb_hdrc) fifo_setup > [ 120.003936] drivers/usb/musb/musb_core.c:1173 (musb_hdrc) fifo_setup > [ 120.010650] drivers/usb/musb/musb_core.c:1173 (musb_hdrc) fifo_setup > [ 120.017364] drivers/usb/musb/musb_core.c:1173 (musb_hdrc) fifo_setup > [ 120.024078] drivers/usb/musb/musb_core.c:1173 (musb_hdrc) fifo_setup > [ 120.030792] drivers/usb/musb/musb_core.c:1173 (musb_hdrc) fifo_setup > [ 120.037536] drivers/usb/musb/musb_core.c:1173 (musb_hdrc) fifo_setup > [ 120.044250] drivers/usb/musb/musb_core.c:1173 (musb_hdrc) fifo_setup > [ 120.050933] drivers/usb/musb/musb_core.c:1173 (musb_hdrc) fifo_setup > [ 120.057678] drivers/usb/musb/musb_core.c:1173 (musb_hdrc) fifo_setup > [ 120.064392] drivers/usb/musb/musb_core.c:1173 (musb_hdrc) fifo_setup > [ 120.071105] drivers/usb/musb/musb_core.c:1173 (musb_hdrc) fifo_setup > [ 120.077819] musb-hdrc: 28/31 max ep, 16384/16384 memory > [ 120.083587] drivers/usb/musb/musb_gadget.c:1879 (musb_hdrc) musb_gadget_setup > [ 120.091156] drivers/usb/musb/musb_gadget.c:1842 (musb_hdrc) musb_g_init_endpoints > [ 120.099060] drivers/usb/musb/musb_gadget.c:1803 (musb_hdrc) init_peripheral_ep > [ 120.106689] drivers/usb/musb/musb_gadget.c:1803 (musb_hdrc) init_peripheral_ep > [ 120.114318] drivers/usb/musb/musb_gadget.c:1803 (musb_hdrc) init_peripheral_ep > [ 120.121948] drivers/usb/musb/musb_gadget.c:1803 (musb_hdrc) init_peripheral_ep > [ 120.129608] drivers/usb/musb/musb_gadget.c:1803 (musb_hdrc) init_peripheral_ep > [ 120.137237] drivers/usb/musb/musb_gadget.c:1803 (musb_hdrc) init_peripheral_ep > [ 120.144866] drivers/usb/musb/musb_gadget.c:1803 (musb_hdrc) init_peripheral_ep > [ 120.152465] drivers/usb/musb/musb_gadget.c:1803 (musb_hdrc) init_peripheral_ep > [ 120.160095] drivers/usb/musb/musb_gadget.c:1803 (musb_hdrc) init_peripheral_ep > [ 120.167724] drivers/usb/musb/musb_gadget.c:1803 (musb_hdrc) init_peripheral_ep > [ 120.175354] drivers/usb/musb/musb_gadget.c:1803 (musb_hdrc) init_peripheral_ep > [ 120.182983] drivers/usb/musb/musb_gadget.c:1803 (musb_hdrc) init_peripheral_ep > [ 120.190612] drivers/usb/musb/musb_gadget.c:1803 (musb_hdrc) init_peripheral_ep > [ 120.198272] drivers/usb/musb/musb_gadget.c:1803 (musb_hdrc) init_peripheral_ep > [ 120.205902] drivers/usb/musb/musb_gadget.c:1803 (musb_hdrc) init_peripheral_ep > [ 120.213531] drivers/usb/musb/musb_gadget.c:1803 (musb_hdrc) init_peripheral_ep > [ 120.221160] drivers/usb/musb/musb_gadget.c:1803 (musb_hdrc) init_peripheral_ep > [ 120.228790] drivers/usb/musb/musb_gadget.c:1803 (musb_hdrc) init_peripheral_ep > [ 120.236419] drivers/usb/musb/musb_gadget.c:1803 (musb_hdrc) init_peripheral_ep > [ 120.244049] drivers/usb/musb/musb_gadget.c:1803 (musb_hdrc) init_peripheral_ep > [ 120.251678] drivers/usb/musb/musb_gadget.c:1803 (musb_hdrc) init_peripheral_ep > [ 120.259338] drivers/usb/musb/musb_gadget.c:1803 (musb_hdrc) init_peripheral_ep > [ 120.266967] drivers/usb/musb/musb_gadget.c:1803 (musb_hdrc) init_peripheral_ep > [ 120.274597] drivers/usb/musb/musb_gadget.c:1803 (musb_hdrc) init_peripheral_ep > [ 120.282196] drivers/usb/musb/musb_gadget.c:1803 (musb_hdrc) init_peripheral_ep > [ 120.289855] drivers/usb/musb/musb_gadget.c:1803 (musb_hdrc) init_peripheral_ep > [ 120.297485] drivers/usb/musb/musb_gadget.c:1803 (musb_hdrc) init_peripheral_ep > [ 120.305114] drivers/usb/musb/musb_gadget.c:1803 (musb_hdrc) init_peripheral_ep > [ 120.315155] musb-hdrc musb-hdrc: USB OTG mode controller at fa0ab000 using DMA, IRQ 92 > [ 120.415344] twl4030_usb twl4030_usb: twl4030_phy_suspend > > INIT: Id "S" respawning too fast: disabled for 5 minutes > ing_file > [ 132.275848] udc musb-hdrc: registering UDC driver [g_mass_storage] > [ 132.282501] gadget: adding config #1 'Linux File-Backed Storage'/bf0207e8 > [ 132.291137] lun0: open backing file: backing_file > [ 132.304260] gadget: Mass Storage Function, version: 2009/09/11 > [ 132.310638] gadget: Number of LUNs=1 > [ 132.314758] lun0: LUN: file: /home/root/backing_file > [ 132.320129] gadget: I/O thread pid: 1979 > [ 132.324371] gadget: adding 'Mass Storage Function'/d7d6b740 to config 'Linux File-Backed Storage'/bf0207e8 > [ 132.334686] gadget: cfg 1/bf0207e8 speeds: high full > [ 132.339996] gadget: interface 0 = Mass Storage Function/d7d6b740 > [ 132.346649] gadget: Mass Storage Gadget, version: 2009/09/11 > [ 132.352752] gadget: userspace failed to provide iSerialNumber > [ 132.358978] gadget: g_mass_storage ready > [ 132.375366] twl4030_usb twl4030_usb: twl4030_phy_resume > [ 132.375549] musb-hdrc musb-hdrc: MUSB HDRC host driver > [ 132.377777] musb-hdrc musb-hdrc: new USB bus registered, assigned bus number 2 > [ 132.378295] usb usb2: New USB device found, idVendor=1d6b, idProduct=0002 > [ 132.378326] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 > [ 132.378326] usb usb2: Product: MUSB HDRC host driver > [ 132.378356] usb usb2: Manufacturer: Linux 3.6.0-rc4-01179-g83ccc22-dirty musb-hcd > [ 132.378356] usb usb2: SerialNumber: musb-hdrc > [ 132.381072] hub 2-0:1.0: USB hub found > [ 132.381256] hub 2-0:1.0: 1 port detected > root@beagleboard:~# [ 132.471069] twl4030_usb twl4030_usb: HW_CONDITIONS 0xc0/192; link 3 > [ 132.797393] twl4030_usb twl4030_usb: HW_CONDITIONS 0x40/64; link 4 > [ 132.806701] twl4030_usb twl4030_usb: twl4030_phy_suspend > > root@beagleboard:~# rmmod g_mass_storage > [ 139.405426] g_mass_storage musb-hdrc: unregistering UDC driver [musb-hdrc] > [ 139.424591] twl4030_usb twl4030_usb: twl4030_phy_resume > [ 139.430450] gadget: unbind function 'Mass Storage Function'/d7d6b740 > [ 139.437316] gadget: unbind > [ 139.445831] twl4030_usb twl4030_usb: twl4030_phy_suspend > [ 139.453552] lun0: close backing file > [ 139.464691] twl4030_usb twl4030_usb: twl4030_phy_resume > [ 139.470336] musb-hdrc musb-hdrc: remove, state 4 > [ 139.475921] usb usb2: USB disconnect, device number 1 > [ 139.493743] musb-hdrc musb-hdrc: USB bus 2 deregistered > [ 139.534484] twl4030_usb twl4030_usb: twl4030_phy_suspend > root@beagleboard:~# rmmod omap2430 > [ 144.525634] twl4030_usb twl4030_usb: twl4030_phy_resume > [ 144.534027] twl4030_usb twl4030_usb: twl4030_phy_suspend > [ 144.545501] udc musb-hdrc: releasing 'musb-hdrc' > root@beagleboard:~# modprobe omap2430 > [ 147.650756] drivers/usb/musb/omap2430.c:584 (omap2430) omap2430_init > [ 147.657806] drivers/usb/musb/omap2430.c:445 (omap2430) omap2430_probe > [ 147.664703] musb-omap2430 musb-omap2430: Unbalanced pm_runtime_enable! > [ 147.672119] drivers/usb/musb/musb_core.c:2118 (musb_hdrc) musb_probe > [ 147.678833] drivers/usb/musb/musb_core.c:1888 (musb_hdrc) musb_init_controller > [ 147.686523] drivers/usb/musb/musb_core.c:1813 (musb_hdrc) allocate_instance > <HANG>-- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
