linux-kernel - Re: WARNING: at fs/sysfs/group.c:138 sysfs_remove

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Message-ID: <b647ffbd0904240146mdcb84f7mcefa0850da425155@mail.gmail.com>
Date:	Fri, 24 Apr 2009 10:46:33 +0200
From:	Dmitry Adamushko <dmitry.adamushko@...il.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Zdenek Kabelac <zdenek.kabelac@...il.com>,
	linux-kernel@...r.kernel.org, "Rafael J. Wysocki" <rjw@...k.pl>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Ingo Molnar <mingo@...e.hu>,
	Kay Sievers <kay.sievers@...y.org>, Greg KH <greg@...ah.com>
Subject: Re: WARNING: at fs/sysfs/group.c:138 sysfs_remove_group

2009/4/23 Andrew Morton <akpm@...ux-foundation.org>:
> On Fri, 17 Apr 2009 11:13:08 +0200
> Zdenek Kabelac <zdenek.kabelac@...il.com> wrote:
>
>> Hi
>>
>>
>> When I've checked  2.6.30-rc2 kernel and  I've got among other errors
>> with Wifi message below.
>> As I've noticed - some people were reporting this problem already earlier:
>>
>> http://www.gossamer-threads.com/lists/linux/kernel/1058276?page=last
>>
>> But for me - it started with 2.6.30-rc kernels.
>> I've T61, 4GB, C2D, X86_64.
>>
>>
>>
>> Zdenek
>>
>>
>> platform microcode: firmware: requesting intel-ucode/06-0f-0a
>> platform microcode: firmware: requesting intel-ucode/06-0f-0a
>
> Lots of people are reporting this.  One person reported that each
> attempt takes 60 seconds, thus delaying boot be several minutes.

These microcode messages are normal per-se.

>From the original report [1] follows that there is another 60s. delay
when loading a firmware for an eth device.

[quote]

[  257.833775] tg3: eth0: Flow control is off for TX and off for RX.
[  269.643973] tg3 0000:03:01.1: firmware: requesting tigon/tg3_tso.bin
[  329.640456] eth1: Failed to load firmware "tigon/tg3_tso.bin"
...

 We see 60 seconds for eth1, complaining about a failed firmware load.
/lib/firmware/tigon/tg3_tso.bin does exist and is from the current
build.

[/quote]

IOW, the issue likely has something to do with firmware loading in general.


-- 
Best regards,
Dmitry Adamushko
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