On Fri, 19 Jul 2013, Gioh Kim wrote:
> > I was going to ask the same question. This particular piece of code gets
> > executed _only_ when an URB is unlinked. Not during any other kind of
> > error.
>
>
> I've got the problem when I listened to the mp3 file of USB HDD.
> I checked the urb
e.com; Minchan Kim; Chanho Min; Jong-Sung Kim;
> linux-arm-kernel
> Subject: Re: [PATCH] [RFC] EHCI: add to memory barrier to updating hw_next
>
> On Thu, 18 Jul 2013, Ming Lei wrote:
>
> > > I guess that HC could have a use-after-free problem like following
> situation.
> &
; Jong-Sung Kim;
linux-arm-kernel
Subject: Re: [PATCH] [RFC] EHCI: add to memory barrier to updating hw_next
On Thu, 18 Jul 2013, Ming Lei wrote:
I guess that HC could have a use-after-free problem like following
situation.
1. A qtd which is not at the queue head should be removed
On Fri, 19 Jul 2013, Gioh Kim wrote:
I was going to ask the same question. This particular piece of code gets
executed _only_ when an URB is unlinked. Not during any other kind of
error.
I've got the problem when I listened to the mp3 file of USB HDD.
I checked the urb data when the
On Thu, Jul 18, 2013 at 10:08 PM, Alan Stern wrote:
> On Thu, 18 Jul 2013, Ming Lei wrote:
>
>> > I guess that HC could have a use-after-free problem like following
>> > situation.
>> >
>> > 1. A qtd which is not at the queue head should be removed in
>> > qh_completions().
>> > 2. The
On Thu, 18 Jul 2013, Ming Lei wrote:
> > I guess that HC could have a use-after-free problem like following
> > situation.
> >
> > 1. A qtd which is not at the queue head should be removed in
> > qh_completions().
> > 2. The last->hw_next become be pointing at the next qtd but the hw_next
> >
inux-kernel@vger.kernel.org;
>> Mark Salter; namhyung@lge.com; Minchan Kim; Chanho Min; Jong-Sung Kim;
>> linux-arm-kernel
>> Subject: Re: [PATCH] [RFC] EHCI: add to memory barrier to updating hw_next
>>
>> Cc: ARM list
>>
>> On Wed, Jul 17, 2013 at 1:03 PM, 김
Salter; namhyung@lge.com; Minchan Kim; Chanho Min; Jong-Sung Kim;
linux-arm-kernel
Subject: Re: [PATCH] [RFC] EHCI: add to memory barrier to updating hw_next
Cc: ARM list
On Wed, Jul 17, 2013 at 1:03 PM, 김기오 gioh@lge.com wrote:
Hi,
I have a missing urb completion problem on ARMv7
On Thu, 18 Jul 2013, Ming Lei wrote:
I guess that HC could have a use-after-free problem like following
situation.
1. A qtd which is not at the queue head should be removed in
qh_completions().
2. The last-hw_next become be pointing at the next qtd but the hw_next
value is
On Thu, Jul 18, 2013 at 10:08 PM, Alan Stern st...@rowland.harvard.edu wrote:
On Thu, 18 Jul 2013, Ming Lei wrote:
I guess that HC could have a use-after-free problem like following
situation.
1. A qtd which is not at the queue head should be removed in
qh_completions().
2. The
nho Min; Jong-Sung Kim;
> linux-arm-kernel
> Subject: Re: [PATCH] [RFC] EHCI: add to memory barrier to updating hw_next
>
> Cc: ARM list
>
> On Wed, Jul 17, 2013 at 1:03 PM, 김기오 wrote:
> > Hi,
> >
> > I have a missing urb completion problem on ARMv7 based pl
Cc: ARM list
On Wed, Jul 17, 2013 at 1:03 PM, 김기오 wrote:
> Hi,
>
> I have a missing urb completion problem on ARMv7 based platform.
>
> I thought the above problem was caused by coherent memory between the
> EHCI device and CPU so I tryied to allocates device type memory
> for EHCI via
Cc: ARM list
On Wed, Jul 17, 2013 at 1:03 PM, 김기오 gioh@lge.com wrote:
Hi,
I have a missing urb completion problem on ARMv7 based platform.
I thought the above problem was caused by coherent memory between the
EHCI device and CPU so I tryied to allocates device type memory
for EHCI via
;
linux-arm-kernel
Subject: Re: [PATCH] [RFC] EHCI: add to memory barrier to updating hw_next
Cc: ARM list
On Wed, Jul 17, 2013 at 1:03 PM, 김기오 gioh@lge.com wrote:
Hi,
I have a missing urb completion problem on ARMv7 based platform.
I thought the above problem was caused
Hi,
I have a missing urb completion problem on ARMv7 based platform.
I thought the above problem was caused by coherent memory between the
EHCI device and CPU so I tryied to allocates device type memory
for EHCI via dma_declare_coherent_memory at machine initialization step
so that EHCI always
Hi,
I have a missing urb completion problem on ARMv7 based platform.
I thought the above problem was caused by coherent memory between the
EHCI device and CPU so I tryied to allocates device type memory
for EHCI via dma_declare_coherent_memory at machine initialization step
so that EHCI always
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