Re: 2.6.27-rc5-mm1: 3 WARN_ON dumps during boot (acpi +vmap_pte_range)

[Krzysztof Helt]

On Fri, 5 Sep 2008 23:50:14 -0700
Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote:

> On Sat, 6 Sep 2008 08:45:58 +0200 Krzysztof Helt <krzysztof.h1@xxxxxxxxx> wrote:
> 
> This one I reported to Nick and Dave yesterday - no response as yet.

I wanted only to report. I cannot use the 2.6.27-rc5-mm1 because
the Xorg does not start (hangs) with it. My card is AGP so can it be
related to the warnings?

> 
> > ------------[ cut here ]------------
> > WARNING: at mm/vmalloc.c:105 vmap_pte_range+0xcb/0x100()
> > Modules linked in:
> > Pid: 776, comm: modprobe Tainted: G        W 2.6.27-rc5-mm1 #1
> >  [<c012526f>] warn_on_slowpath+0x5f/0x90
> >  [<c01617e9>] handle_mm_fault+0x1d9/0x210
> >  [<c01bd0a0>] ext3_get_block+0x0/0x100
> >  [<c011759b>] do_page_fault+0x12b/0x4f0
> >  [<c0105dde>] do_IRQ+0x7e/0xd0
> >  [<c0154ce4>] __alloc_pages_internal+0x94/0x410
> >  [<c0117470>] do_page_fault+0x0/0x4f0
> >  [<c038506a>] error_code+0x72/0x78
> >  [<c015496c>] buffered_rmqueue+0x12c/0x210
> >  [<c014fbab>] find_get_page+0x2b/0xa0
> >  [<c016768b>] vmap_pte_range+0xcb/0x100
> >  [<c01676ed>] vmap_pmd_range+0x2d/0x40
> >  [<c016772d>] vmap_pud_range+0x2d/0x40
> >  [<c01677a6>] vmap_page_range+0x66/0x90
> >  [<c016844f>] map_vm_area+0x2f/0x50
> >  [<c0168996>] __vmalloc_area_node+0xb6/0x110
> >  [<c0168a95>] __vmalloc_node+0x85/0xb0
> >  [<c0148eb9>] load_module+0x89/0xd90
> >  [<c0168b01>] vmalloc+0x21/0x30
> >  [<c0148eb9>] load_module+0x89/0xd90
> >  [<c0148eb9>] load_module+0x89/0xd90
> >  [<c01380e0>] autoremove_wake_function+0x0/0x50
> >  [<c0177db0>] vfs_read+0x90/0x150
> >  [<c0149c44>] sys_init_module+0x44/0x1a0
> >  [<c0178111>] sys_read+0x41/0x70
> >  [<c01031fa>] syscall_call+0x7/0xb
> >  =======================
> > ---[ end trace 4eaa2a86a8e2da22 ]---
> > Intel ICH 0000:00:1f.5: PCI INT B -> GSI 17 (level, low) -> IRQ 17
> > Intel ICH 0000:00:1f.5: setting latency timer to 64
> 
> That's coming out of the module loader and is a new one.  It's the same
> warning as the agp one:
> 

The third one is interesting because it is "moving". One the first reboot
(the posted was the second) this warning happened when the snd_au8820
module was loaded and there was no warning about ext3.

Regards,
Krzysztof

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