linux-kernel - Re: crash: IP: [<ffffffff80478092>] __bitmap

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Message-ID: <496F67D8.4060507@sgi.com>
Date:	Thu, 15 Jan 2009 08:44:08 -0800
From:	Mike Travis <travis@....com>
To:	Ingo Molnar <mingo@...e.hu>
CC:	Rusty Russell <rusty@...tcorp.com.au>,
	Yinghai Lu <yinghai@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>, Tony Luck <tony.luck@...el.com>,
	IA64 <linux-ia64@...r.kernel.org>,
	Ralf Baechle <ralf@...ux-mips.org>, linux-mips@...ux-mips.org,
	David Howells <dhowells@...hat.com>,
	Koichi Yasutake <yasutake.koichi@...panasonic.com>,
	linux-am33-list@...hat.com,
	"David S. Miller" <davem@...emloft.net>,
	SPARC <sparclinux@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: crash: IP: [<ffffffff80478092>] __bitmap_intersects+0x48/0x73
 [PATCH supplied]

Ingo Molnar wrote:
> * Mike Travis <travis@....com> wrote:
> 
>> Ingo Molnar wrote:
>>> also, with latest tip/master the ia64 cross-build still fails:
>>>
>>> /home/mingo/tip/arch/ia64/kernel/irq_ia64.c: In function `ia64_handle_irq':
>>> /home/mingo/tip/arch/ia64/kernel/irq_ia64.c:498: error: structure has no member named `irqs'
>>> /home/mingo/tip/arch/ia64/kernel/irq_ia64.c:500: error: structure has no member named `irqs'
>>> /home/mingo/tip/arch/ia64/kernel/irq_ia64.c: In function `ia64_process_pending_intr':
>>> /home/mingo/tip/arch/ia64/kernel/irq_ia64.c:556: error: structure has no member named `irqs'
>>> /home/mingo/tip/arch/ia64/kernel/irq_ia64.c:558: error: structure has no member named `irqs'
>>> make[2]: *** [arch/ia64/kernel/irq_ia64.o] Error 1
>>> make[2]: *** Waiting for unfinished jobs....
>>>
>>> and so does the MIPS build:
>>>
>>> /home/mingo/tip/arch/mips/sgi-ip22/ip22-int.c: In function 'indy_buserror_irq':
>>> /home/mingo/tip/arch/mips/sgi-ip22/ip22-int.c:158: error: 'struct kernel_stat' has no member named 'irqs'
>>> make[2]: *** [arch/mips/sgi-ip22/ip22-int.o] Error 1
>>> make[2]: *** Waiting for unfinished jobs....
>>> /home/mingo/tip/arch/mips/sgi-ip22/ip22-time.c: In function 'indy_8254timer_irq':
>>> /home/mingo/tip/arch/mips/sgi-ip22/ip22-time.c:125: error: 'struct kernel_stat' has no member named 'irqs'
>>> make[2]: *** [arch/mips/sgi-ip22/ip22-time.o] Error 1
>>> make[1]: *** [arch/mips/sgi-ip22] Error 2
>>> make[1]: *** Waiting for unfinished jobs....
>>>
>>> 	Ingo
>> Hi Ingo,
>>
>> This appears to be a fallout of the sparse irqs changes.  Here is a 
>> suggested patch.
>>
>> Btw, my ia64 build fails under tip/cpus4096 because this commit is not 
>> present:
>>
>> commit e65e49d0f3714f4a6a42f6f6a19926ba33fcda75
>> Author: Mike Travis <travis@....com>
>> Date:   Mon Jan 12 15:27:13 2009 -0800
>>
>>     irq: update all arches for new irq_desc
> 
> it is present:
> 
>  [mingo@...a tip]$ git log cpus4096 | grep e65e49d
>  commit e65e49d0f3714f4a6a42f6f6a19926ba33fcda75
> 
> 	Ingo

Hmm, the exact same command on my work tree produces nothing.  If I generate
a whole new tip/cpus4096 tree, it's then there.  Once again a victim of 
git remote updating - not!  There must be something that I'm doing wrong:

Non-working tree:

 21> git-describe
v2.6.29-rc1-19-g92296c6

 22> git-status
# On branch cpus4096
# Your branch is behind 'tip/cpus4096' by 233 commits, and can be fast-forwarded.

 23> git-remote update
Updating linus
Updating tip

 24> git-status
# On branch cpus4096
# Your branch is behind 'tip/cpus4096' by 233 commits, and can be fast-forwarded.

 25> git-describe
v2.6.29-rc1-19-g92296c6

New (working) tree:

 2> git-describe
v2.6.29-rc1-252-g5cd7376

???

Thanks,
Mike


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