linux-kernel - Re: 2.6.25.11-97.fc9 (P): idr_remove called for id=236 which is not allocated

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Message-ID: <19f34abd0808150850v5ae5a1aneaa3e5182e0032c@mail.gmail.com>
Date:	Fri, 15 Aug 2008 17:50:43 +0200
From:	"Vegard Nossum" <vegard.nossum@...il.com>
To:	"Alan Cox" <alan@...rguk.ukuu.org.uk>
Cc:	LKML <linux-kernel@...r.kernel.org>
Subject: Re: 2.6.25.11-97.fc9 (P): idr_remove called for id=236 which is not allocated

On Fri, Aug 15, 2008 at 5:28 PM, Alan Cox <alan@...rguk.ukuu.org.uk> wrote:
>> ida_remove called for id=112 which is not allocated.
>> ida_remove called for id=67 which is not allocated.
>> ida_remove called for id=191 which is not allocated.
>> ida_remove called for id=23 which is not allocated.
>>
>> ..and with no backtrace, so I guess it means "not harmful". Sorry for the noise.
>
> Thats definitely not good and wants digging into further.
>

Okay!

I've attached my program. On 2.6.27-rc3 the message appears at least a
couple of times per second, so you should have no trouble in
reproducing it. On the 2.6.25 I get it maybe once a minute.

Compile with: gcc -std=gnu99


Vegard

-- 
"The animistic metaphor of the bug that maliciously sneaked in while
the programmer was not looking is intellectually dishonest as it
disguises that the error is the programmer's own creation."
	-- E. W. Dijkstra, EWD1036

View attachment "mknod.c" of type "text/x-csrc" (1804 bytes)