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

[Konrad Rzeszutek Wilk]

On Thu, Oct 21, 2010 at 11:15:55AM +0800, Li Zefan wrote:
> Li Zefan wrote:
> > akpm@xxxxxxxxxxxxxxxxxxxx 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?
> 
> ------------[ 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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