On Saturday 07 February 2015 19:33:53 Ivaylo Dimitrov wrote: > Hi, > > On 7.02.2015 20:01, Ivaylo Dimitrov wrote: > > On 2.02.2015 21:14, Felipe Balbi wrote: > >> On Mon, Feb 02, 2015 at 08:07:51PM +0100, Pali Rohár wrote: > >>> On Monday 02 February 2015 20:01:11 Felipe Balbi wrote: > >>>> Hi, > >>>> > >>>> On Mon, Feb 02, 2015 at 07:58:59PM +0100, Pali Rohár wrote: > >>>>> On Monday 02 February 2015 19:54:58 Felipe Balbi wrote: > >>>>>> Hi, > >>>>>> > >>>>>> On Sat, Jan 31, 2015 at 10:53:30AM +0100, Pali Rohár wrote: > >>>>>>> This patch adds removable mass storage support to > >>>>>>> g_nokia gadget (for N900). It means that at runtime > >>>>>>> block device can be exported or unexported. So it does > >>>>>>> not export anything by default and thus allows to use > >>>>>>> MyDocs partition as before... > >>>>>>> > >>>>>>> Signed-off-by: Pali Rohár <pali.rohar@xxxxxxxxx> > >>>>>> > >>>>>> thanks, but no thanks. Build your own using configfs. > >>>>> > >>>>> But it needs some userspace interaction right? > >>>>> Then its not possible for nfsboot. > >>>> > >>>> oh, right... you're using nfsboot through g_nokia. Hmm, > >>>> sounds like you need initramfs. > >>> > >>> Also compiling usb gadgets as external .ko modules is > >>> broken. So I cannot use configfs, when I compile g_nokia > >>> even if I use initramfs... > >> > >> yeah, there are people working on that and some patches > >> already flying around for it. Meanwhile, you can make it > >> built-in and use initramfs to add mass_storage through > >> configfs to g_nokia, no issues. > > > > Bellow is the bactrace of the crash when g_nokia is > > modprobed. Any hint on where to look for is appreciated. > > > > <0>[ 33.751983] Kernel panic - not syncing: Fatal > > exception ÿÿT!19\00]\00]<6>[ 59.570159] bq2415x-charger > > 2-006b: automode enabled <1>[ 59.597534] [bf286014] > > *pgd=8eda8811, *pte=00000000, *ppte=00000000 <6>[ > > 59.609405] bq2415x-charger 2-006b: driver registered <0>[ > > 59.640472] Internal error: Oops: 80000007 [#1] PREEMPT ARM > > <4>[ 59.650421] Modules linked in: ipv6(+) > > bq2415x_charger(+) g_mass_storage usb_f_mass_storage > > libcomposite configfs uinput adp1653 ad5820 et8ek8 smiaregs > > hsi_char radio_platform_si4713 joydev omap_ssi_port > > wl1251_spi wl1251 rx51_battery mac80211 isp1704_charger > > smc91x mii cfg80211 si4713 v4l2_common crc7 videodev > > tsc2005 media tsl2563 twl4030_vibra ff_memless > > lis3lv02d_i2c lis3lv02d omap_ssi input_polldev hsi > > twl4030_wdt omap_wdt rtc_twl leds_lp5523 leds_lp55xx_common > > <4>[ 59.715332] CPU: 0 PID: 13 Comm: kworker/0:1 Not > > tainted 3.19.0-rc5+ #2 > > <4>[ 59.726501] Hardware name: Nokia RX-51 board > > <4>[ 59.735168] Workqueue: events usb_gadget_work > > <4>[ 59.743896] task: cf8ab900 ti: cf992000 task.ti: > > cf992000 <4>[ 59.753692] PC is at 0xbf286014 > > <4>[ 59.761108] LR is at > > try_get_usb_function_instance+0x90/0x9c [libcomposite] > > <4>[ 59.772613] pc : [<bf286014>] lr : [<bf2640c8>] > > psr: 80000113 <4>[ 59.772613] sp : cf993e50 ip : > > 0000001c fp : 00000000 <4>[ 59.793060] r10: 00000000 r9 > > : 00000000 r8 : cfcad600 <4>[ 59.802581] r7 : cedaab80 > > r6 : 00000000 r5 : bf28444c r4 : cedaab80 > > <4>[ 59.813476] r3 : cedd8f38 r2 : 00000001 r1 : > > 00000000 r0 : cedd8f04 > > <4>[ 59.824310] Flags: Nzcv IRQs on FIQs on Mode SVC_32 > > ISA ARM Segment kernel > > <4>[ 59.836090] Control: 10c5387d Table: 8e970019 DAC: > > 00000015 <0>[ 59.846252] Process kworker/0:1 (pid: 13, > > stack limit = 0xcf992238) <0>[ 59.857086] Stack: > > (0xcf993e50 to 0xcf994000) <0>[ 59.865814] 3e40: > > c03fb2d8 bf266e68 cf1fdf00 > > c015d0dc > > <0>[ 59.878723] 3e60: 92000000 00001000 00000000 c015d8d8 > > 00001000 00000000 c03fb2d8 bf266e68 > > <0>[ 59.891693] 3e80: 00000000 00000001 00000000 c00f58f8 > > cf801c80 cedaab80 cf03b0b8 cedaac00 > > <0>[ 59.904663] 3ea0: bf284424 c015d980 00000000 bf266e68 > > 00000000 cedaab80 bf28444c 00000000 > > <0>[ 59.917572] 3ec0: cf03b0b8 cfcad600 00000000 bf263dd8 > > cf03b0b8 bf28444c cf03b0b8 cf1fea00 > > <0>[ 59.930450] 3ee0: c0620cd8 bf28444c c0609868 cfcad600 > > 00000000 00000000 00000000 c02c5478 > > <0>[ 59.943420] 3f00: bf284470 c0620cd8 c0606ff8 c02c5f54 > > cf98d080 bf284470 c0606ff8 c0047288 > > <0>[ 59.956390] 3f20: cf98d080 bf284470 00000001 cf98d080 > > c0606ff8 c0607008 c0609868 cf98d098 > > <0>[ 59.969360] 3f40: 00000008 00000000 00000000 c00477ec > > cf98a580 00000000 cf98d080 c00474c4 > > <0>[ 59.982330] 3f60: 00000000 00000000 00000000 c004b148 > > 22000000 00000000 11880000 cf98d080 > > <0>[ 59.995208] 3f80: 00000000 cf993f84 cf993f84 00000000 > > cf993f90 cf993f90 cf993fac cf98a580 > > <0>[ 60.008026] 3fa0: c004b07c 00000000 00000000 c000e058 > > 00000000 00000000 00000000 00000000 > > <0>[ 60.020782] 3fc0: 00000000 00000000 00000000 00000000 > > 00000000 00000000 00000000 00000000 > > <0>[ 60.033355] 3fe0: 00000000 00000000 00000000 00000000 > > 00000013 00000000 40000500 04000401 > > <4>[ 60.045867] [<bf2640c8>] > > (try_get_usb_function_instance [libcomposite]) from > > [<c015d0dc>] (__kernfs_create_file+0x7c/0xa0) <4>[ > > 60.065155] [<c015d0dc>] (__kernfs_create_file) from > > [<c015d8d8>] (sysfs_add_file_mode_ns+0x134/0x1ac) > > <4>[ 60.082977] [<c015d8d8>] (sysfs_add_file_mode_ns) from > > [<c015d980>] (sysfs_create_file_ns+0x30/0x44) > > <4>[ 60.100952] [<c015d980>] (sysfs_create_file_ns) from > > [<cedaab80>] (0xcedaab80) > > <0>[ 60.112884] Code: bad PC value > > <6>[ 60.210144] NET: Registered protocol family 10 > > <6>[ 60.671600] bq27x00-battery 2-0055: support ver. 1.2.0 > > enabled <6>[ 60.832885] bq27x00-battery 2-0055: battery > > is not calibrated! ignoring capacity values > > <6>[ 63.788269] Adding 786428k swap on /dev/mmcblk0p3. > > Priority:-1 extents:1 across:786428k SS > > <5>[ 64.057617] random: nonblocking pool is initialized > > <6>[ 64.554016] NET: Registered protocol family 35 > > <4>[ 65.667510] ---[ end trace 85b8d26ec312a8c1 ]--- > > > > > > Regards, > > Ivo > > Removing __init from nokia_bind declaration makes g_nokia > working again. I guess someone who knows better than me that > sections magic should take it from here. > > Ivo No, it is not working on my devices. kernel does not crash, but usb communication does not work. all usb networking packets are lost. -- Pali Rohár pali.rohar@xxxxxxxxx
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