On Mon, Dec 26, 2011 at 12:40 AM, Manfred Gruber <m.gruber@xxxxxxxxxxxxx> wrote: > Hello RT developers! > > Great work on Preempt RT! > > I get a warning at 3.0.9-rt25+ in a i2c pca953x chip when using IRQs at the > gpio lines. It appears only once when the first irq happens, after that the > warning is away. On 3.2.0-rc7 the warning does not happen. > > I do not know how to remove/solve the warning, has someone an idea what I do > wrong? Could you please try upstream commit [6dd599f8: gpio/pca953x: Fix warning of enabled interrupts in handler] ? BTW, I think that commit should go to -stable. Thanks, Yong > > > > [ 28.616000] sd 1:0:0:0: [sdb] Attached SCSI removable disk > [ 45.240000] ------------[ cut here ]------------ > [ 45.240000] WARNING: at kernel/irq/handle.c:130 > handle_irq_event_percpu+0x68/0x168() > [ 45.240000] irq 130 handler irq_default_primary_handler+0x0/0x8 enabled > interrupts > [ 45.242000] Modules linked in: > [ 45.242000] [<c0039cd8>] (unwind_backtrace+0x0/0xec) from [<c00473d4>] > (warn_slowpath_common+0x4c/) > [ 45.242000] [<c00473d4>] (warn_slowpath_common+0x4c/0x64) from [<c0047480>] > (warn_slowpath_fmt+0x3) > [ 45.242000] [<c0047480>] (warn_slowpath_fmt+0x30/0x40) from [<c0078264>] > (handle_irq_event_percpu+) > [ 45.242000] [<c0078264>] (handle_irq_event_percpu+0x68/0x168) from > [<c00783b8>] (handle_irq_event+) > [ 45.242000] [<c00783b8>] (handle_irq_event+0x54/0x78) from [<c007a828>] > (handle_simple_irq+0x84/0x) > [ 45.242000] [<c007a828>] (handle_simple_irq+0x84/0xac) from [<c0077eb0>] > (generic_handle_irq+0x30/) > [ 45.242000] [<c0077eb0>] (generic_handle_irq+0x30/0x48) from [<c0168508>] > (pca953x_irq_handler+0x9) > [ 45.242000] [<c0168508>] (pca953x_irq_handler+0x98/0xac) from [<c0078930>] > (irq_thread_fn+0x1c/0x3) > [ 45.242000] [<c0078930>] (irq_thread_fn+0x1c/0x38) from [<c00787ec>] > (irq_thread+0xc8/0x1f0) > [ 45.242000] [<c00787ec>] (irq_thread+0xc8/0x1f0) from [<c006082c>] > (kthread+0x7c/0x84) > [ 45.242000] [<c006082c>] (kthread+0x7c/0x84) from [<c00358dc>] > (kernel_thread_exit+0x0/0x8) > [ 45.242000] ---[ end trace 0000000000000002 ]--- > > # cat /proc/interrupts > CPU0 > 1: 8340 AIC ttyS0 > 7: 2 AIC ttyS2 > 9: 327 AIC mmc0 > 12: 22381 AIC atmel_spi.0 > 13: 74311 AIC atmel_spi.1 > 19: 245940 AIC tc_clkevt > 20: 541 AIC ohci_hcd:usb1 > 21: 2 AIC eth0 > 103: 5 GPIO 0-0070 > 128: 0 pca953x gpiolib > 129: 0 pca953x gpiolib > 130: 2 pca953x gpiolib > 131: 0 pca953x gpiolib > 132: 0 pca953x gpiolib > > thx, regards manfred gruber > > -- > > -- > To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- Only stand for myself -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
