Hi Yong Zhang! Thx a lot, that fix removed the warning on 3.0.14-rt31+. Regards Manfred Am Tuesday 27 December 2011 schrieb Yong Zhang: > 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 -- mfg Manfred Gruber m.gruber@xxxxxxxxxxxxx http://www.unverspurt.at -- 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
