From: "Anoop P.A." <Anoop_P.A@pmc-sierra.com>
To: <linux-mips@linux-mips.org>
Subject: blast_dcache32 problem with PREEMPT kernel
Date: Fri, 26 Feb 2010 03:41:34 -0800 [thread overview]
Message-ID: <A7DEA48C84FD0B48AAAE33F328C020140497CB0F@BBY1EXM11.pmc_nt.nt.pmc-sierra.bc.ca> (raw)
In-Reply-To: <6ec4247d1002251934h2168a03fqdcb8e6f0132aa547@mail.gmail.com>
Hi list,
I am hitting following bug with CONFIG_PREEMP enabled VSMP kernel (
2.6.24) compiled for mips34K core.
BUG: using smp_processor_id() in preemptible [00000001] code:
usb-storage/190
caller is blast_dcache32+0x30/0x25c
Call Trace:
[<8012f338>] vprintk+0x2e8/0x584
[<8012f354>] vprintk+0x304/0x584
[<801111a0>] blast_dcache32+0x30/0x25c
[<80387d5c>] debug_smp_processor_id+0xcc/0xe0
[<801111a0>] blast_dcache32+0x30/0x25c
[<80387d5c>] debug_smp_processor_id+0xcc/0xe0
[<801111a0>] blast_dcache32+0x30/0x25c
[<8010d9e4>] dma_map_sg+0x128/0x144
[<80410a84>] urb_destroy+0x0/0x38
[<801827b0>] kfree+0x8c/0x20c
[<80411944>] usb_sg_init+0x310/0x324
[<8042a708>] usb_stor_bulk_transfer_sg+0xd0/0x174
[<8042a914>] usb_stor_Bulk_transport+0x168/0x324
[<80121a94>] enqueue_entity+0xcc/0x130
[<8042a3f4>] usb_stor_invoke_transport+0x38/0x27c
[<80149ee8>] remove_wait_queue+0x1c/0x60
[<8054568c>] _spin_unlock_irqrestore+0x24/0x44
[<805425fc>] __down_interruptible+0x144/0x1e4
[<801239f0>] default_wake_function+0x0/0x8
[<8042bd58>] usb_stor_control_thread+0x268/0x320
[<801497c0>] kthread+0x0/0xa4
[<80149800>] kthread+0x40/0xa4
[<801241d8>] complete+0x4c/0x6c
[<8042baf0>] usb_stor_control_thread+0x0/0x320
[<80149818>] kthread+0x58/0xa4
[<8010476c>] kernel_thread_helper+0x10/0x18
Any pointers to debug this / fix this will be greatly appreciated.
Thanking you,
Anoop
WARNING: multiple messages have this Message-ID (diff)
From: "Anoop P.A." <Anoop_P.A@pmc-sierra.com>
To: linux-mips@linux-mips.org
Subject: blast_dcache32 problem with PREEMPT kernel
Date: Fri, 26 Feb 2010 03:41:34 -0800 [thread overview]
Message-ID: <A7DEA48C84FD0B48AAAE33F328C020140497CB0F@BBY1EXM11.pmc_nt.nt.pmc-sierra.bc.ca> (raw)
Message-ID: <20100226114134.6SrenCvnQvDWc8UbMGzrJ_98GZYDZXGe6GrrJFBCsCY@z> (raw)
In-Reply-To: <6ec4247d1002251934h2168a03fqdcb8e6f0132aa547@mail.gmail.com>
Hi list,
I am hitting following bug with CONFIG_PREEMP enabled VSMP kernel (
2.6.24) compiled for mips34K core.
BUG: using smp_processor_id() in preemptible [00000001] code:
usb-storage/190
caller is blast_dcache32+0x30/0x25c
Call Trace:
[<8012f338>] vprintk+0x2e8/0x584
[<8012f354>] vprintk+0x304/0x584
[<801111a0>] blast_dcache32+0x30/0x25c
[<80387d5c>] debug_smp_processor_id+0xcc/0xe0
[<801111a0>] blast_dcache32+0x30/0x25c
[<80387d5c>] debug_smp_processor_id+0xcc/0xe0
[<801111a0>] blast_dcache32+0x30/0x25c
[<8010d9e4>] dma_map_sg+0x128/0x144
[<80410a84>] urb_destroy+0x0/0x38
[<801827b0>] kfree+0x8c/0x20c
[<80411944>] usb_sg_init+0x310/0x324
[<8042a708>] usb_stor_bulk_transfer_sg+0xd0/0x174
[<8042a914>] usb_stor_Bulk_transport+0x168/0x324
[<80121a94>] enqueue_entity+0xcc/0x130
[<8042a3f4>] usb_stor_invoke_transport+0x38/0x27c
[<80149ee8>] remove_wait_queue+0x1c/0x60
[<8054568c>] _spin_unlock_irqrestore+0x24/0x44
[<805425fc>] __down_interruptible+0x144/0x1e4
[<801239f0>] default_wake_function+0x0/0x8
[<8042bd58>] usb_stor_control_thread+0x268/0x320
[<801497c0>] kthread+0x0/0xa4
[<80149800>] kthread+0x40/0xa4
[<801241d8>] complete+0x4c/0x6c
[<8042baf0>] usb_stor_control_thread+0x0/0x320
[<80149818>] kthread+0x58/0xa4
[<8010476c>] kernel_thread_helper+0x10/0x18
Any pointers to debug this / fix this will be greatly appreciated.
Thanking you,
Anoop
next prev parent reply other threads:[~2010-02-26 11:41 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-25 6:28 [PATCH 0/3] XBurst JZ4730 support Graham Gower
2010-02-25 6:29 ` [PATCH 1/3] Add " Graham Gower
2010-02-25 6:30 ` [PATCH 2/3] 8250: serial driver changes for XBurst SoCs Graham Gower
2010-02-25 6:31 ` [PATCH 3/3] net: add driver for JZ4730 ethernet controller Graham Gower
2010-02-25 7:52 ` [PATCH 0/3] XBurst JZ4730 support Florian Fainelli
2010-02-25 21:12 ` Graham Gower
2010-02-26 1:51 ` Lars-Peter Clausen
2010-02-26 3:34 ` Graham Gower
2010-02-26 11:41 ` Anoop P.A. [this message]
2010-02-26 11:41 ` blast_dcache32 problem with PREEMPT kernel Anoop P.A.
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