[PlanetCCRMA] rt kernel failure

Fernando Lopez-Lezcano nando at ccrma.Stanford.EDU
Wed Jul 22 09:28:00 PDT 2009


On Tue, 2009-07-21 at 23:35 -0500, Ricardo Dueñas Parada wrote:
> Hi, I just installed the rt kernel for Fedora 10, but when I start
> session, it tells me there's a failure, this is part of the log:

Thanks for the report. That is a known problem with that kernel (which
does not usually impact usage). If that kernel does not work out for you
you could also try the newer kernels in the planetcore-testing
repository. 

-- Fernando


> Jul 21 23:21:25 localhost kernel: BUG: sleeping function called from
> invalid context IRQ-15(525) at arch/x86/mm/highmem_32.c:8
> Jul 21 23:21:25 localhost kernel: in_atomic():0 [00000000],
> irqs_disabled():1
> Jul 21 23:21:25 localhost kernel: Pid: 525, comm: IRQ-15 Not tainted
> 2.6.26.8-1.rt16.1.fc10.ccrma.i686.rt #1
> Jul 21 23:21:25 localhost kernel: [<c041fe47>] __might_sleep+0xe8/0xed
> Jul 21 23:21:25 localhost kernel: [<c041cd75>] kmap+0x42/0x55
> Jul 21 23:21:25 localhost kernel: [<c0504250>] sg_copy_buffer
> +0xa6/0x16c
> Jul 21 23:21:25 localhost kernel: [<c0504323>] sg_copy_to_buffer
> +0xd/0xf
> Jul 21 23:21:25 localhost kernel: [<f8a88409>] atapi_qc_complete
> +0x25c/0x2b6 [libata]
> Jul 21 23:21:25 localhost kernel: [<f8a825b5>] __ata_qc_complete
> +0x8e/0x93 [libata]
> Jul 21 23:21:25 localhost kernel: [<f8a83211>] ata_qc_complete
> +0x197/0x19d [libata]
> Jul 21 23:21:25 localhost kernel: [<f8a8e999>] ata_hsm_qc_complete
> +0x9b/0xb3 [libata]
> Jul 21 23:21:25 localhost kernel: [<f8a8efb3>] ata_sff_hsm_move
> +0x602/0x64e [libata]
> Jul 21 23:21:25 localhost kernel: [<c06446c1>] ? __rt_spin_lock
> +0x24/0x61
> Jul 21 23:21:25 localhost kernel: [<f8a8f25e>] ata_sff_interrupt
> +0x153/0x1eb [libata]
> Jul 21 23:21:25 localhost kernel: [<c04609a4>] handle_IRQ_event
> +0x49/0xe6
> Jul 21 23:21:25 localhost kernel: [<c0460e03>] do_irqd+0x12b/0x229
> Jul 21 23:21:25 localhost kernel: [<c0460cd8>] ? do_irqd+0x0/0x229
> Jul 21 23:21:25 localhost kernel: [<c043aa9b>] kthread+0x3b/0x61
> Jul 21 23:21:25 localhost kernel: [<c043aa60>] ? kthread+0x0/0x61
> Jul 21 23:21:25 localhost kernel: [<c0405803>] kernel_thread_helper
> +0x7/0x10
> Jul 21 23:21:25 localhost kernel: =======================
> 
> Before that, I installed the driver of the wireless card with
> fwcutter, don't know if that's related.
> 
> Any help is appreciated, Thanks.
> 
> Ricardo Dueñas
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> PlanetCCRMA at ccrma.stanford.edu
> http://ccrma-mail.stanford.edu/mailman/listinfo/planetccrma



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