In this case you have Xenomai installed and are using the GPIO in a non rt situation? On Zynq I can use both the RTDM gpios and the sysfs gpios (non rt) at the same time as long as it's not the same pin. I will look into this this week, I have RPI stuff on the go as well so patience is appreciated.
-Greg On Mon, Feb 26, 2018 at 10:54 AM, Giulio Moro <g.m...@qmul.ac.uk> wrote: > We have a similar issue on Linux 4.4.87 and 4.4.113, with xenomai 3.0.5: > https://github.com/RobertCNelson/ti-linux-kernel-dev/issues/16 (comes with > code to reproduce issue). > > Best, > Giulio > > ________________________________________ > From: Xenomai <xenomai-boun...@xenomai.org> on behalf of Greg Gallagher > <g...@embeddedgreg.com> > Sent: 26 February 2018 15:37 > To: branislav.sa...@automatika.imp.bg.ac.rs > Cc: Xenomai@xenomai.org > Subject: Re: [Xenomai] interrupt on edge problem, unexpected IRQ trap > > 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 > 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