linux-kernel - Re: 2.6.26.6-rt11: BUGs (sleeping function called from invalid context)

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Message-ID: <alpine.DEB.1.10.0811071400570.3711@gandalf.stny.rr.com>
Date:	Fri, 7 Nov 2008 14:01:32 -0500 (EST)
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Fernando Lopez-Lezcano <nando@...ma.Stanford.EDU>
cc:	LKML <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...e.hu>,
	Peter Zijlstra <peterz@...radead.org>
Subject: Re: 2.6.26.6-rt11: BUGs (sleeping function called from invalid
 context)


Peter, I think we've seen this before. It is the highmem code sleeping.

On Fri, 7 Nov 2008, Fernando Lopez-Lezcano wrote:

> Three BUGs while booting 2.6.26.7 + rt11 (same hardware: no problems
> with 2.6.24.7-rt21):
> 
> Nov  7 10:31:19 host kernel: BUG: sleeping function called from invalid
> context IRQ-22(540) at arch/x86/mm/highmem_32.c:8
> Nov  7 10:31:19 host kernel: in_atomic():0 [00000000], irqs_disabled():1
> Nov  7 10:31:19 host kernel: Pid: 540, comm: IRQ-22 Not tainted
> 2.6.26.7-1.rt11.1fc9.ccrma.i686.rt #1
> Nov  7 10:31:19 host kernel: [<c041ff88>] __might_sleep+0xe8/0xed
> Nov  7 10:31:19 host kernel: [<c041cd55>] kmap+0x42/0x55

As here.

-- Steve

> Nov  7 10:31:19 host kernel: [<f88e9e1d>] ata_sff_hsm_move+0x3d3/0x66b
> [libata]
> Nov  7 10:31:19 host kernel: [<f88ea314>] ata_sff_interrupt+0x153/0x1eb
> [libata]
> Nov  7 10:31:19 host kernel: [<c0461730>] handle_IRQ_event+0x49/0xcd
> Nov  7 10:31:19 host kernel: [<c0461a15>] thread_simple_irq+0x45/0x7c
> Nov  7 10:31:19 host kernel: [<c0461a4c>] ? do_irqd+0x0/0x229
> Nov  7 10:31:19 host kernel: [<c0461afb>] do_irqd+0xaf/0x229
> Nov  7 10:31:19 host kernel: [<c0461a4c>] ? do_irqd+0x0/0x229
> Nov  7 10:31:19 host kernel: [<c043b15f>] kthread+0x3b/0x61
> Nov  7 10:31:19 host kernel: [<c043b124>] ? kthread+0x0/0x61
> Nov  7 10:31:19 host kernel: [<c040581f>] kernel_thread_helper+0x7/0x10
> Nov  7 10:31:19 host kernel: =======================
> 
> 
> Nov  7 10:31:01 host kernel: BUG: sleeping function called from invalid
> context IRQ-22(540) at arch/x86/mm/highmem_32.c:8
> Nov  7 10:31:01 host kernel: in_atomic():0 [00000000], irqs_disabled():1
> Nov  7 10:31:01 host kernel: Pid: 540, comm: IRQ-22 Not tainted
> 2.6.26.7-1.rt11.1fc9.ccrma.i686.rt #1
> Nov  7 10:31:01 host kernel: [<c041ff88>] __might_sleep+0xe8/0xed
> Nov  7 10:31:01 host kernel: [<c041cd55>] kmap+0x42/0x55
> Nov  7 10:31:01 host kernel: [<f88e9e1d>] ata_sff_hsm_move+0x3d3/0x66b
> [libata]
> Nov  7 10:31:01 host kernel: [<f88ea314>] ata_sff_interrupt+0x153/0x1eb
> [libata]
> Nov  7 10:31:01 host kernel: [<c0461730>] handle_IRQ_event+0x49/0xcd
> Nov  7 10:31:01 host kernel: [<c0461a15>] thread_simple_irq+0x45/0x7c
> Nov  7 10:31:01 host kernel: [<c0461a4c>] ? do_irqd+0x0/0x229
> Nov  7 10:31:01 host kernel: [<c0461afb>] do_irqd+0xaf/0x229
> Nov  7 10:31:01 host kernel: [<c0461a4c>] ? do_irqd+0x0/0x229
> Nov  7 10:31:01 host kernel: [<c043b15f>] kthread+0x3b/0x61
> Nov  7 10:31:01 host kernel: [<c043b124>] ? kthread+0x0/0x61
> Nov  7 10:31:01 host kernel: [<c040581f>] kernel_thread_helper+0x7/0x10
> Nov  7 10:31:01 host kernel: =======================
> 
> 
> Nov  7 10:30:58 host kernel: BUG: sleeping function called from invalid
> context IRQ-22(540) at arch/x86/mm/highmem_32.c:8
> Nov  7 10:30:58 host kernel: in_atomic():0 [00000000], irqs_disabled():1
> Nov  7 10:30:58 host kernel: Pid: 540, comm: IRQ-22 Not tainted
> 2.6.26.7-1.rt11.1fc9.ccrma.i686.rt #1
> Nov  7 10:30:58 host kernel: [<c041ff88>] __might_sleep+0xe8/0xed
> Nov  7 10:30:58 host kernel: [<c041cd55>] kmap+0x42/0x55
> Nov  7 10:30:58 host kernel: [<f88e9e1d>] ata_sff_hsm_move+0x3d3/0x66b
> [libata]
> Nov  7 10:30:58 host kernel: [<f88ea314>] ata_sff_interrupt+0x153/0x1eb
> [libata]
> Nov  7 10:30:58 host kernel: [<c0461730>] handle_IRQ_event+0x49/0xcd
> Nov  7 10:30:58 host kernel: [<c0461a15>] thread_simple_irq+0x45/0x7c
> Nov  7 10:30:58 host kernel: [<c0461a4c>] ? do_irqd+0x0/0x229
> Nov  7 10:30:58 host kernel: [<c0461afb>] do_irqd+0xaf/0x229
> Nov  7 10:30:58 host kernel: [<c0461a4c>] ? do_irqd+0x0/0x229
> Nov  7 10:30:58 host kernel: [<c043b15f>] kthread+0x3b/0x61
> Nov  7 10:30:58 host kernel: [<c043b124>] ? kthread+0x0/0x61
> Nov  7 10:30:58 host kernel: [<c040581f>] kernel_thread_helper+0x7/0x10
> Nov  7 10:30:58 host kernel: =======================
> 
> -- Fernando
> 
> 
> 
> 
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