From: Marcel Holtmann <marcel@holtmann.org>
To: Silla Rizzoli <silla@netvalley.it>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [OOPS] Removing USB Bluetooth dongle Oopses 2.6.4
Date: Sat, 13 Mar 2004 19:00:05 +0100 [thread overview]
Message-ID: <1079200805.2142.4.camel@pegasus> (raw)
In-Reply-To: <200403131351.44682.silla@netvalley.it>
Hi Silla,
> Here comes the oops:
>
> PREEMPT
> CPU: 0
> EIP: 0060:[<e1921149>] Not tainted
> EIP is at urb_unlink+0x31/0x8e [usbcore]
> eax: c17c069c ebx: 00000000 ecx: 00000000 edx: dec74000
> esi: 00000246 edi: c17c0694 ebp: de5aa1f0 esp: dec75e14
> ds: 007b es: 007b ss: 0068
> Process hotplug (pid: 6150, threadinfo=dec74000 task=dfa6a100)
> Stack: c17c0694 de5aa000 dec75edc c17c0694 dec75edc de5aa000 e19218af c17c0694
> c17c0694 dec74000 c17c0694 e19f5db4 de5aa000 c17c0694 dec75edc dec75edc
> de5aa1d0 de5aa1d0 de5aa000 dec75edc e19f5f72 de5aa000 dec75edc 00701300
> Call trace:
> [<e19218af>] usb_hcd_giveback_urb+0x1b/0x39 [usbcore]
> [<e19f5db4>] uhci_finish_completion+0x61/0x9c [uhci_hcd]
> [<e19f5f72>] uhci_irq+0x103/0x165 [uhci_hcd]
> [<e1921903>] usb_hcd_irq+0x36/0x67 [usbcore]
> [<c010ae8a>] handle_IRQ_event+0x3a/0x64
> [<c010b1f7>] do_IRQ+0x94/0x136
> [<c0116eea>] do_page_fault+0x0/0x50c
> [<c0109750>] common_interrupt+0x18/0x20
> [<c0116eea>] do_page_fault+0x0/0x50c
> [<c0116f11>] do_page_fault+0x27/0x50c
> [<c0141c0b>] unmap_vmas+0xdc/0x212
> [<c01451b7>] unmap_vma+0x40/0x7d
> [<c0145210>] unmap_vma_list+0x1c/0x28
> [<c0145625>] do_munmap+0x146/0x183
> [<c0116eea>] do_page_fault+0x0/0x50c
> [<c010980d>] error_code+0x2d/0x38
>
> Code: 89 59 04 89 0b 89 40 04 89 47 08 8b 5f 14 56 9d 8b 42 08 83
> <0>Kernel panic: Fatal exception in interrupt
> In interrupt handler - not syncing
this looks like another unlink-during-submit bug in the uhci-hcd host
driver. With the latest 2.6.4-bk2 the ohci-hcd is now free from it and
an unplug works again without any oops or freezes. Post your oops to the
USB developer mailing list.
Regards
Marcel
next prev parent reply other threads:[~2004-03-13 18:01 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-03-13 12:51 [OOPS] Removing USB Bluetooth dongle Oopses 2.6.4 Silla Rizzoli
2004-03-13 18:00 ` Marcel Holtmann [this message]
2004-03-14 17:23 ` Silla Rizzoli
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