* Boot hang due to "pipe: fold file_operations instances in one" in next-20130408
@ 2013-04-08 21:19 Stephen Warren
2013-04-08 21:22 ` Al Viro
0 siblings, 1 reply; 3+ messages in thread
From: Stephen Warren @ 2013-04-08 21:19 UTC (permalink / raw)
To: Al Viro
Cc: linux-next-u79uwXL29TY76Z2rM5mHXA, linux-tegra-u79uwXL29TY76Z2rM5mHXA
Al,
I'm seeing a boot hang on Tegra in next-20130408. Even sysrq on the
serial console doesn't work, yet I think cpuidle is still running since
the LED that shows CPU power is flickering.
git bisect points at commit 9984d73 "pipe: fold file_operations
instances in one". Reverting
the-merge-of-the-branch-that-contains-this-patch from next-20130408
certainly solves the problem; reverting just that one patch is a bit
painful since it's in the middle of a bunch of other cleanup.
Do you have any idea what might be wrong? I can't see anything obvious
in the patch.
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: Boot hang due to "pipe: fold file_operations instances in one" in next-20130408
2013-04-08 21:19 Boot hang due to "pipe: fold file_operations instances in one" in next-20130408 Stephen Warren
@ 2013-04-08 21:22 ` Al Viro
[not found] ` <20130408212249.GT4068-3bDd1+5oDREiFSDQTTA3OLVCufUGDwFn@public.gmane.org>
0 siblings, 1 reply; 3+ messages in thread
From: Al Viro @ 2013-04-08 21:22 UTC (permalink / raw)
To: Stephen Warren; +Cc: linux-next, linux-tegra
On Mon, Apr 08, 2013 at 03:19:39PM -0600, Stephen Warren wrote:
> Al,
>
> I'm seeing a boot hang on Tegra in next-20130408. Even sysrq on the
> serial console doesn't work, yet I think cpuidle is still running since
> the LED that shows CPU power is flickering.
>
> git bisect points at commit 9984d73 "pipe: fold file_operations
> instances in one". Reverting
> the-merge-of-the-branch-that-contains-this-patch from next-20130408
> certainly solves the problem; reverting just that one patch is a bit
> painful since it's in the middle of a bunch of other cleanup.
>
> Do you have any idea what might be wrong? I can't see anything obvious
> in the patch.
What userland do you have?
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: Boot hang due to "pipe: fold file_operations instances in one" in next-20130408
[not found] ` <20130408212249.GT4068-3bDd1+5oDREiFSDQTTA3OLVCufUGDwFn@public.gmane.org>
@ 2013-04-08 21:36 ` Stephen Warren
0 siblings, 0 replies; 3+ messages in thread
From: Stephen Warren @ 2013-04-08 21:36 UTC (permalink / raw)
To: Al Viro
Cc: linux-next-u79uwXL29TY76Z2rM5mHXA, linux-tegra-u79uwXL29TY76Z2rM5mHXA
On 04/08/2013 03:22 PM, Al Viro wrote:
> On Mon, Apr 08, 2013 at 03:19:39PM -0600, Stephen Warren wrote:
>> Al,
>>
>> I'm seeing a boot hang on Tegra in next-20130408. Even sysrq on the
>> serial console doesn't work, yet I think cpuidle is still running since
>> the LED that shows CPU power is flickering.
>>
>> git bisect points at commit 9984d73 "pipe: fold file_operations
>> instances in one". Reverting
>> the-merge-of-the-branch-that-contains-this-patch from next-20130408
>> certainly solves the problem; reverting just that one patch is a bit
>> painful since it's in the middle of a bunch of other cleanup.
>>
>> Do you have any idea what might be wrong? I can't see anything obvious
>> in the patch.
>
> What userland do you have?
It's Ubuntu 12.04.01 for ARM (armhf), with quite a few updates not
installed.
^ permalink raw reply [flat|nested] 3+ messages in thread
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2013-04-08 21:19 Boot hang due to "pipe: fold file_operations instances in one" in next-20130408 Stephen Warren
2013-04-08 21:22 ` Al Viro
[not found] ` <20130408212249.GT4068-3bDd1+5oDREiFSDQTTA3OLVCufUGDwFn@public.gmane.org>
2013-04-08 21:36 ` Stephen Warren
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