linux-kernel - Re: mmotm 2010-10-20-15-01 uploaded

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Date:	Thu, 21 Oct 2010 11:44:12 +0800
From:	Li Zefan <lizf@...fujitsu.com>
To:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
CC:	akpm@...ux-foundation.org, mm-commits@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: mmotm 2010-10-20-15-01 uploaded

于 2010年10月21日 11:38, Konrad Rzeszutek Wilk 写道:
> On Thu, Oct 21, 2010 at 11:15:55AM +0800, Li Zefan wrote:
>> Li Zefan wrote:
>>> akpm@...ux-foundation.org wrote:
>>>> The mm-of-the-moment snapshot 2010-10-20-15-01 has been uploaded to
>>>>
>>>>    http://userweb.kernel.org/~akpm/mmotm/
>>>>
>>>> and will soon be available at
>>>>
>>>>    git://zen-kernel.org/kernel/mmotm.git
>>>>
>>>> It contains the following patches against 2.6.36-rc8:
>>>>
>>> Got this:
>>>
>>> arch/x86/pci/xen.c: In function 'pci_xen_init':
>>> arch/x86/pci/xen.c:138: error: 'isapnp_disable' undeclared (first use in this function)
>>> arch/x86/pci/xen.c:138: error: (Each undeclared identifier is reported only once
>>> arch/x86/pci/xen.c:138: error: for each function it appears in.)
> 
> Ok. Will fix this.
>>> # quilt patches arch/x86/pci/xen.c
>>> linux-next.patch
>> I just commented out isapnp_disable, and after boot I saw this warning:
> 
> Under what conditions? Is this a baremetal bootup? What is your .config?

It just showed up during boot.

Config attached.

>> ------------[ cut here ]------------
>> WARNING: at arch/x86/mm/highmem_32.c:82 __kunmap_atomic+0x80/0xd4()
>> Hardware name: ASPIRE AG1720
>> Modules linked in:
>> Pid: 1, comm: swapper Not tainted 2.6.36-rc8-mm1+ #1
>> Call Trace:
>>  [<c0440982>] warn_slowpath_common+0x6a/0x7f
>>  [<c042e6c5>] ? __kunmap_atomic+0x80/0xd4
>>  [<c04409ab>] warn_slowpath_null+0x14/0x18
>>  [<c042e6c5>] __kunmap_atomic+0x80/0xd4
>>  [<c04f2d1f>] zero_user_segments+0x5e/0x64
>>  [<c04f2e58>] simple_write_begin+0x5e/0x6c
>>  [<c04a6518>] generic_file_buffered_write+0xc0/0x1c5
>>  [<c0444f41>] ? current_fs_time+0x1b/0x1e
>>  [<c04a7745>] __generic_file_aio_write+0x25e/0x28f
>>  [<c04a77d8>] generic_file_aio_write+0x62/0xaa
>>  [<c04db6df>] do_sync_write+0x8f/0xca
>>  [<c075fc8f>] ? _raw_write_unlock_irqrestore+0x41/0x4d
>>  [<c074aedd>] ? kmemleak_alloc+0x59/0x78
>>  [<c09874f3>] ? do_name+0x10e/0x26b
>>  [<c04db650>] ? do_sync_write+0x0/0xca
>>  [<c04dbc44>] vfs_write+0x85/0xe3
>>  [<c04dbd40>] sys_write+0x40/0x62
>>  [<c098722b>] do_copy+0x24/0xbe
>>  [<c09870d4>] flush_buffer+0x6a/0x8a
>>  [<c09a84b1>] gunzip+0x267/0x2e6
>>  [<c0592458>] ? nofill+0x0/0x8
>>  [<c09a824a>] ? gunzip+0x0/0x2e6
>>  [<c0987b7f>] unpack_to_rootfs+0x1e0/0x2ee
>>  [<c098706a>] ? flush_buffer+0x0/0x8a
>>  [<c0986e93>] ? error+0x0/0x13
>>  [<c0987cd9>] populate_rootfs+0x4c/0x200
>>  [<c05a944e>] ? pci_get_subsys+0x4d/0x59
>>  [<c075da14>] ? printk+0x14/0x18
>>  [<c09aa16f>] ? pci_apply_final_quirks+0xc9/0xe6
>>  [<c0403080>] do_one_initcall+0x76/0x126
>>  [<c0987c8d>] ? populate_rootfs+0x0/0x200
>>  [<c098539e>] kernel_init+0x126/0x1a2
>>  [<c0985278>] ? kernel_init+0x0/0x1a2
>>  [<c0409942>] kernel_thread_helper+0x6/0x10
>> ---[ end trace e93713a9d40cd06c ]---
>> --
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> 
> 

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