Re: [Xen-devel] Oops: 0000 [#1] SMP - Xen 3.4.1, Linux 2.6.31, Fedora 11

[Nathan Stratton <nathan@xxxxxxxxxxxx>]

On Wed, 16 Sep 2009, Jeremy Fitzhardinge wrote:

> On 09/15/09 20:11, Jiang, Yunhong wrote:
> > The real reason is the UHCI DMA error and maybe caused by swiotlb.
> >
> > I'm not sure if following patch is in your code or not.
> >
> > http://article.gmane.org/gmane.comp.emulators.xen.devel/71324
> I've committed this change now.
Hmm, now I get a new crash:

[    0.160975] 	(start_freq - end_freq @ bandwidth), (max_antenna_gain, 
max_eirp)
[    0.160975] 	(2402000 KHz - 2472000 KHz @ 40000 KHz), (600 mBi, 2700 
mBm)
[    0.160975] 	(5170000 KHz - 5190000 KHz @ 40000 KHz), (600 mBi, 2300 
mBm)
[    0.160975] 	(5190000 KHz - 5210000 KHz @ 40000 KHz), (600 mBi, 2300 
mBm)
[    0.160975] 	(5210000 KHz - 5230000 KHz @ 40000 KHz), (600 mBi, 2300 
mBm)
[    0.160975] 	(5230000 KHz - 5330000 KHz @ 40000 KHz), (600 mBi, 2300 
mBm)
[    0.160975] 	(5735000 KHz - 5835000 KHz @ 40000 KHz), (600 mBi, 3000 
mBm)
[    0.160984] cfg80211: Calling CRDA for country: US
[    0.161985] NetLabel: Initializing
[    0.162975] NetLabel:  domain hash size = 128
[    0.162975] NetLabel:  protocols = UNLABELED CIPSOv4
[    0.162993] NetLabel:  unlabeled traffic allowed by default
[    0.164006] PCI-DMA: Using Xen software bounce buffering for IO 
(Xen-SWIOTLB)
[    0.164974] ------------[ cut here ]------------
[    0.164974] WARNING: at mm/bootmem.c:541 
alloc_arch_preferred_bootmem+0x33/0x52()
[    0.164974] Hardware name: X7DW3
[    0.164974] Modules linked in:
[    0.164974] Pid: 1, comm: swapper Not tainted 2.6.31 #1
[    0.164974] Call Trace:
[    0.164974]  [<ffffffff81044f7f>] warn_slowpath_common+0x77/0x8f
[    0.164974]  [<ffffffff81044fa6>] warn_slowpath_null+0xf/0x11
[    0.164974]  [<ffffffff8177f407>] 
alloc_arch_preferred_bootmem+0x33/0x52
[    0.164974]  [<ffffffff8177f952>] ___alloc_bootmem_nopanic+0x3d/0xce
[    0.164974]  [<ffffffff8100ea0f>] ? xen_restore_fl_direct_end+0x0/0x1
[    0.164974]  [<ffffffff8148950a>] ? _spin_unlock_irqrestore+0x13/0x15
[    0.164974]  [<ffffffff8177f9f4>] ___alloc_bootmem+0x11/0x39
[    0.164974]  [<ffffffff8177fa8a>] __alloc_bootmem_low+0xe/0x10
[    0.164974]  [<ffffffff8176945d>] xen_swiotlb_alloc_boot+0x10/0x12
[    0.164974]  [<ffffffff8176949b>] 
xen_swiotlb_init_with_default_size+0x3c/0x142
[    0.164974]  [<ffffffff8176c29d>] ? pci_iommu_init+0x0/0x2b
[    0.164974]  [<ffffffff817695d3>] xen_swiotlb_init+0x32/0x49
[    0.164974]  [<ffffffff8176c2ab>] pci_iommu_init+0xe/0x2b
[    0.164974]  [<ffffffff8100a05f>] do_one_initcall+0x59/0x15d
[    0.164974]  [<ffffffff81764e5a>] kernel_init+0x163/0x1b9
[    0.164974]  [<ffffffff81013b0a>] child_rip+0xa/0x20
[    0.164974]  [<ffffffff81012ce7>] ? int_ret_from_sys_call+0x7/0x1b
[    0.164974]  [<ffffffff8101349d>] ? retint_restore_args+0x5/0x6
[    0.164974]  [<ffffffff81013b00>] ? child_rip+0x0/0x20
[    0.164974] ---[ end trace 4eaa2a86a8e2da22 ]---
[    0.186971] Kernel panic - not syncing: <3>xen_create_contiguous_region 
failed
[    0.186971]
[    0.186971] Pid: 1, comm: swapper Tainted: G        W  2.6.31 #1
[    0.186971] Call Trace:
[    0.186971]  [<ffffffff81487693>] panic+0x75/0x122
[    0.186971]  [<ffffffff8100d4e2>] ? 
xen_create_contiguous_region+0xd3/0xee
[    0.186971]  [<ffffffff8100f571>] xen_swiotlb_fixup+0xc0/0xcf
[    0.186971]  [<ffffffff817694cf>] 
xen_swiotlb_init_with_default_size+0x70/0x142
[    0.186971]  [<ffffffff8176c29d>] ? pci_iommu_init+0x0/0x2b
[    0.186971]  [<ffffffff817695d3>] xen_swiotlb_init+0x32/0x49
[    0.186971]  [<ffffffff8176c2ab>] pci_iommu_init+0xe/0x2b
[    0.186971]  [<ffffffff8100a05f>] do_one_initcall+0x59/0x15d
[    0.186971]  [<ffffffff81764e5a>] kernel_init+0x163/0x1b9
[    0.186971]  [<ffffffff81013b0a>] child_rip+0xa/0x20
[    0.186971]  [<ffffffff81012ce7>] ? int_ret_from_sys_call+0x7/0x1b
[    0.186971]  [<ffffffff8101349d>] ? retint_restore_args+0x5/0x6
[    0.186971]  [<ffffffff81013b00>] ? child_rip+0x0/0x20



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