Nothing? :|
> Thank you for your help Greg & Philippe! > > I merged gpio-omap.c from 4.14 kernel to my 4.11 kernel, result is freezed > cpu after interrupt. Then, I compiled 4.14 latest ipipe-arm kernel from > git (nothing added, nothing removed), and similar thing happens. Only I > could see some time after, until complete freeze, are messages > > [ 62.463002] unexpected IRQ trap at vector 3f > [ 63.643847] unexpected IRQ trap at vector 3f > [ 63.648204] unexpected IRQ trap at vector 3f > [ 65.605123] unexpected IRQ trap at vector 3f > [ 66.418225] unexpected IRQ trap at vector 3f > > Tested through sysfs gpio interface. > > > Branislav > > > >> As Philippe mentioned, they are some missing pieces that need to be >> added to the ipipe. The link Philippe provided will give you guidance >> on how to make those changes to your custom kernel. The other option >> is you could use the ipipe-arm tree and the mainline kernel. Also, >> unrelated, the gpios that are exposed in sysfs are not RTDM gpios. >> There currently isn't a RTDM driver for beaglebone gpio, but one can >> be added very easily. >> >> >> -Greg >> >> On Mon, Feb 26, 2018 at 1:05 PM, >> <branislav.sa...@automatika.imp.bg.ac.rs> wrote: >>> Xenomai 3.0.6, and ipipe-core-4.9.51-arm-3, patched on sunxi 4.11.2 >>> kernel >>> (with BeagleBone patches applied too). Same situation with this kernel >>> -> >>> https://github.com/beagleboard/linux/tree/4.9-xenomai >>> >>> >>> Just as Giulio wrote, GPIO is configured with: >>> >>> echo 60 > /sys/class/gpio/export >>> echo both > /sys/class/gpio/gpio60/edge >>> >>> or in kernel module init routine with: >>> >>> gpio_request(gpio, "test"); >>> gpio_direction_input(gpio); >>> irq = gpio_to_irq(gpio); >>> irq_set_irq_type(irq, IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING); >>> rtdm_irq_request(&irq_handle, irq, test_isr, RTDM_IRQTYPE_EDGE, >>> DRIVER_NAME, NULL); >>> rtdm_irq_enable(&irq_handle); >>> >>> >>> Both reproduce the problem. In the second case, when requested with >>> rtdm_irq_request, IRQ is visible both in /proc/interrupts, and in >>> /proc/xenomai/irq >>> >>> >>> Thanks! >>> >>> >>> Branislav >>> >>> >>>> Can you provide what version of Xenomai you are using and what ipipe >>> patch you are using? It also may be helpful if you could provide some >>> sort of sample code that reproduces the problem. >>>> >>>> -Greg >>>> >>>> On Mon, Feb 26, 2018 at 8:46 AM, >>>> <branislav.sa...@automatika.imp.bg.ac.rs> wrote: >>>>> Hello, >>>>> I have a problem with new I-pipe patch, which was not existing with >>>>> legacy >>>>> patch on 3.14 kernel, on BeagleBone platform. >>>>> When GPIO pin is configured as input with edge interrupt enable, on >>>>> IRQ >>> occurrence the following message appears: >>>>> [ 303.331386] irq 88, desc: dc1be400, depth: 0, count: 0, unhandled: >>>>> 0 >>> [ 303.331401] ->handle_irq(): c01a810c, >>>>> [ 303.331435] handle_edge_irq+0x0/0x194 >>>>> [ 303.331442] ->irq_data.chip(): dc097b50, >>>>> [ 303.331454] 0xdc097b50 >>>>> [ 303.331461] ->action(): da097380 >>>>> [ 303.331467] ->action->handler(): c078dce4, >>>>> [ 303.331483] gpio_sysfs_irq+0x0/0x24 >>>>> [ 303.331493] IRQ_NOPROBE set >>>>> [ 303.331503] unexpected IRQ trap at vector 58 >>>>> [ 303.335814] ------------[ cut here ]------------ >>>>> [ 303.335832] WARNING: CPU: 0 PID: 0 at kernel/irq/chip.c:883 >>>>> __ipipe_ack_bad_irq+0x3c/0x48 >>>>> [ 303.335839] Modules linked in: >>>>> [ 303.335863] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.9.82 #2 [ >>> 303.335871] Hardware name: Generic AM33XX (Flattened Device Tree) [ >>> 303.335878] I-pipe domain: Linux >>>>> [ 303.335918] [<c0113520>] (unwind_backtrace) from [<c010d320>] >>> (show_stack+0x20/0x24) >>>>> [ 303.335946] [<c010d320>] (show_stack) from [<c073c99c>] >>>>> (dump_stack+0xbc/0xec) >>>>> [ 303.335968] [<c073c99c>] (dump_stack) from [<c013dddc>] >>>>> (__warn+0xe4/0x110) >>>>> [ 303.335984] [<c013dddc>] (__warn) from [<c013de38>] >>>>> (warn_slowpath_null+0x30/0x38) >>>>> [ 303.335998] [<c013de38>] (warn_slowpath_null) from [<c01a74a0>] >>> (__ipipe_ack_bad_irq+0x3c/0x48) >>>>> [ 303.336027] [<c01a74a0>] (__ipipe_ack_bad_irq) from [<c020ccdc>] >>> (__ipipe_dispatch_irq+0x80/0x1e4) >>>>> [ 303.336048] [<c020ccdc>] (__ipipe_dispatch_irq) from [<c0790630>] >>> (omap_gpio_irq_handler+0x15c/0x1d0) >>>>> [ 303.336066] [<c0790630>] (omap_gpio_irq_handler) from [<c01a3874>] >>> (__handle_irq_event_percpu+0x68/0x2bc) >>>>> [ 303.336081] [<c01a3874>] (__handle_irq_event_percpu) from >>>>> [<c01a3af4>] >>>>> (handle_irq_event_percpu+0x2c/0x68) >>>>> [ 303.336095] [<c01a3af4>] (handle_irq_event_percpu) from >>>>> [<c01a3b78>] >>> (handle_irq_event+0x48/0x6c) >>>>> [ 303.336111] [<c01a3b78>] (handle_irq_event) from [<c01a8348>] >>> (handle_level_irq+0xa8/0xfc) >>>>> [ 303.336127] [<c01a8348>] (handle_level_irq) from [<c01a2ea0>] >>> (generic_handle_irq+0x28/0x38) >>>>> [ 303.336141] [<c01a2ea0>] (generic_handle_irq) from [<c01a3014>] >>> (__handle_domain_irq+0x8c/0x10c) >>>>> [ 303.336164] [<c01a3014>] (__handle_domain_irq) from [<c0109c28>] >>> (handle_IRQ+0x2c/0x30) >>>>> [ 303.336182] [<c0109c28>] (handle_IRQ) from [<c0117990>] >>>>> (__ipipe_do_IRQ+0x38/0x40) >>>>> [ 303.336198] [<c0117990>] (__ipipe_do_IRQ) from [<c020c4b4>] >>>>> (__ipipe_do_sync_stage+0x268/0x278) >>>>> [ 303.336214] [<c020c4b4>] (__ipipe_do_sync_stage) from [<c020c820>] >>> (ipipe_unstall_root+0x50/0x5c) >>>>> [ 303.336244] [<c020c820>] (ipipe_unstall_root) from [<c0cbb4c8>] >>> (default_idle_call+0x54/0x7c) >>>>> [ 303.336271] [<c0cbb4c8>] (default_idle_call) from [<c0187c4c>] >>> (cpu_startup_entry+0xd0/0x144) >>>>> [ 303.336289] [<c0187c4c>] (cpu_startup_entry) from [<c0cb5c80>] >>> (rest_init+0x80/0x98) >>>>> [ 303.336315] [<c0cb5c80>] (rest_init) from [<c1300d08>] >>>>> (start_kernel+0x370/0x3d8) >>>>> [ 303.336327] ---[ end trace fd2436447809c122 ]--- >>>>> [ 303.336343] irq 88, desc: dc1be400, depth: 0, count: 0, unhandled: >>>>> 0 >>> [ 303.336349] ->handle_irq(): c01a810c, >>>>> [ 303.336361] handle_edge_irq+0x0/0x194 >>>>> [ 303.336367] ->irq_data.chip(): dc097b50, >>>>> [ 303.336376] 0xdc097b50 >>>>> [ 303.336382] ->action(): da097380 >>>>> [ 303.336389] ->action->handler(): c078dce4, >>>>> [ 303.336399] gpio_sysfs_irq+0x0/0x24 >>>>> [ 303.336406] IRQ_NOPROBE set >>>>> [ 303.336413] unexpected IRQ trap at vector 58 >>>>> [ 306.761879] irq 88, desc: dc1be400, depth: 0, count: 1, unhandled: >>>>> 0 >>> [ 306.761893] ->handle_irq(): c01a810c, >>>>> [ 306.761928] handle_edge_irq+0x0/0x194 >>>>> [ 306.761935] ->irq_data.chip(): dc097b50, >>>>> [ 306.761947] 0xdc097b50 >>>>> [ 306.761954] ->action(): da097380 >>>>> [ 306.761960] ->action->handler(): c078dce4, >>>>> [ 306.761976] gpio_sysfs_irq+0x0/0x24 >>>>> [ 306.761985] IRQ_NOPROBE set >>>>> [ 306.761995] unexpected IRQ trap at vector 58 >>>>> [ 306.766311] irq 88, desc: dc1be400, depth: 0, count: 1, unhandled: >>>>> 0 >>> [ 306.766318] ->handle_irq(): c01a810c, >>>>> [ 306.766330] handle_edge_irq+0x0/0x194 >>>>> [ 306.766336] ->irq_data.chip(): dc097b50, >>>>> [ 306.766344] 0xdc097b50 >>>>> [ 306.766351] ->action(): da097380 >>>>> [ 306.766357] ->action->handler(): c078dce4, >>>>> [ 306.766366] gpio_sysfs_irq+0x0/0x24 >>>>> [ 306.766373] IRQ_NOPROBE set >>>>> [ 306.766380] unexpected IRQ trap at vector 58 >>>>> [ 306.892617] irq 88, desc: dc1be400, depth: 0, count: 2, unhandled: >>>>> 0 >>> [ 306.892634] ->handle_irq(): c01a810c, >>>>> [ 306.892666] handle_edge_irq+0x0/0x194 >>>>> [ 306.892673] ->irq_data.chip(): dc097b50, >>>>> [ 306.892683] 0xdc097b50 >>>>> [ 306.892690] ->action(): da097380 >>>>> [ 306.892697] ->action->handler(): c078dce4, >>>>> [ 306.892712] gpio_sysfs_irq+0x0/0x24 >>>>> [ 306.892723] IRQ_NOPROBE set >>>>> [ 306.892732] unexpected IRQ trap at vector 58 >>>>> [ 306.897047] irq 88, desc: dc1be400, depth: 0, count: 2, unhandled: >>>>> 0 >>> [ 306.897054] ->handle_irq(): c01a810c, >>>>> [ 306.897065] handle_edge_irq+0x0/0x194 >>>>> [ 306.897071] ->irq_data.chip(): dc097b50, >>>>> [ 306.897079] 0xdc097b50 >>>>> [ 306.897086] ->action(): da097380 >>>>> [ 306.897092] ->action->handler(): c078dce4, >>>>> [ 306.897101] gpio_sysfs_irq+0x0/0x24 >>>>> [ 306.897108] IRQ_NOPROBE set >>>>> [ 306.897115] unexpected IRQ trap at vector 58 >>>>> Best regards, >>>>> Branislav >>>>> _______________________________________________ >>>>> Xenomai mailing list >>>>> Xenomai@xenomai.org >>>>> https://xenomai.org/mailman/listinfo/xenomai >>>> >>>> _______________________________________________ >>>> Xenomai mailing list >>>> Xenomai@xenomai.org >>>> https://xenomai.org/mailman/listinfo/xenomai >>>> >>> >>> >>> >>> >> > > > > _______________________________________________ > Xenomai mailing list > Xenomai@xenomai.org > https://xenomai.org/mailman/listinfo/xenomai > _______________________________________________ Xenomai mailing list Xenomai@xenomai.org https://xenomai.org/mailman/listinfo/xenomai
