lkml.org 
[lkml]   [2012]   [Apr]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: 3.2.11: PCI Express card cannot be re-detected withing cca 60sec timeframe
From
On Mon, Apr 16, 2012 at 6:42 PM, Yinghai Lu <yinghai@kernel.org> wrote:
> On Mon, Apr 16, 2012 at 1:53 PM, Yinghai Lu <yinghai@kernel.org> wrote:
>> On Mon, Apr 16, 2012 at 12:09 PM, Martin Mokrejs
>> <mmokrejs@fold.natur.cuni.cz> wrote:
>>>>>> On Wed, Mar 21, 2012 at 3:46 PM, Martin Mokrejs
>>>>>   I had some Ooopses with 3.4-rc2 but now I have tested 3.4-rc3. Still, linux
>>>>> does NOT realize that I have removed an ExpressCard from the slot. It realizes
>>>>> that only when I pluging the card back again. Actually, this is a case of a
>>>>> NEC chipset base USB3.0 card.
>>>>>
>>>>>  In contrast, kernel DOES recognize that I unplugged a FireWire card from the
>>>>> same slot.
>>>>>
>>>>>  This is a Dell Vostro 3550 laptop. Below is what syslog logged with my comment.
>>>>> Empty lines between the log entries are inserted whe I either inserted or removed
>>>>> a card. Probably a bit more will be in the attached dmesg file.
>>
>> so the interrupt for removal get generated, but pcie_isr() is delayed
>> when another surprise is generated...
>>
>
> please try to revert
> commit 486b10b9f43500741cd63a878d0ef23cd87fc66d
> Author: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
> Date:   Mon Nov 7 20:56:50 2011 +0900
>
>    PCI: pciehp: Handle push button event asynchronously
>
>    Use non-ordered workqueue for attention button events.
>
>    Attention button events on each slot can be handled asynchronously. So
>    we should use non-ordered workqueue. This patch also removes ordered
>    workqueue in pciehp as a result.
>
> to see if there is any difference.

can you send out lspci -vvxxxx -s 00:1c.7 after removing USB 3.0 express card?

Yinghai
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2012-04-17 04:51    [W:0.291 / U:0.012 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site