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xen-devel
[Xen-devel] Re: Continuing problems booting
This log extract is from the same hardware booting off the USB stick. This
contains a lot of traceback, starting
======================================================
[ INFO: HARDIRQ-safe -> HARDIRQ-unsafe lock order detected ]
2.6.29-0.135.rc5.git3.fc10.i686.PAE #1
------------------------------------------------------
khubd/245 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire:
(&retval->lock){......}, at: [<c04a5b9f>] dma_pool_alloc+0x1d/0x247
and this task is already holding:
(&ehci->lock){-.....}, at: [<c0626797>] ehci_urb_enqueue+0xac/0xc6b
which would create a new lock dependency:
(&ehci->lock){-.....} -> (&retval->lock){......}
but this new dependency connects a HARDIRQ-irq-safe lock:
(&ehci->lock){-.....}
... which became HARDIRQ-irq-safe at:
[<c0456ef2>] __lock_acquire+0x241/0xb1c
[<c0457820>] lock_acquire+0x53/0x75
[<c06fc2e3>] _spin_lock+0x1e/0x4e
[<c0627fd6>] ehci_irq+0x21/0x193
[<c0615829>] usb_hcd_irq+0x38/0x93
[<c0477674>] handle_IRQ_event+0x1a/0x4b
[<c0478890>] handle_level_irq+0x64/0xac
[<ffffffff>] 0xffffffff
to a HARDIRQ-irq-unsafe lock:
(purge_lock){+.+...}
... which became HARDIRQ-irq-unsafe at:
... [<c0456f6f>] __lock_acquire+0x2be/0xb1c
[<c0457820>] lock_acquire+0x53/0x75
[<c06fc2e3>] _spin_lock+0x1e/0x4e
[<c04a106d>] __purge_vmap_area_lazy+0x39/0x145
[<c04a2362>] vm_unmap_aliases+0x150/0x159
[<c04061e0>] xen_create_contiguous_region+0x4c/0xd8
[<c056103d>] xen_swiotlb_fixup+0x6e/0x99
[<c08f1c2d>] swiotlb_alloc_boot+0x2e/0x35
[<c08fc3b2>] swiotlb_init_with_default_size+0x2f/0xdb
[<c08fc46b>] swiotlb_init+0xd/0xf
[<c08f1bf2>] pci_swiotlb_init+0x41/0x4e
[<c08e53b8>] pci_iommu_alloc+0x8/0xa
[<c08f283c>] mem_init+0xe/0x2b3
[<c08db7ff>] start_kernel+0x26b/0x31a
[<c08db096>] i386_start_kernel+0x85/0x8d
[<c08e0e7a>] xen_start_kernel+0x4bc/0x4c4
[<ffffffff>] 0xffffffff
the full crash is in the attached log (I didn't catch the entire log, so
there is an earlier gap). Later there are further errors which eventually
cause xen to give up.
BUG: unable to handle kernel NULL pointer dereference at 000000a8
IP: [<c0680000>] rtnetlink_net_exit+0x11/0x1e
*pdpt = 0000000004c33001 *pde = 0000000000000000
Oops: 0002 [#1] SMP
last sysfs file: /sys/devices/virtual/vtconsole/vtcon0/uevent
Modules linked in: pata_acpi ata_generic i915 drm i2c_algo_bit i2c_core
BUG: unable to handle kernel NULL pointer dereference at 00000005
IP: [<c065b8e5>] dmi_get_system_info+0x0/0xc
*pdpt = 0000000004c33001 *pde = 0000000000000000
Oops: 0002 [#2] SMP
last sysfs file: /sys/devices/virtual/vtconsole/vtcon0/uevent
Modules linked in: pata_acpi ata_generic i915 drm i2c_algo_bit i2c_core
BUG: unable to handle kernel NULL pointer dereference at 00000005
IP: [<c065b8e5>] dmi_get_system_info+0x0/0xc
*pdpt = 0000000004c33001 *pde = 0000000000000000
Oops: 0002 [#3] SMP
last sysfs file: /sys/devices/virtual/vtconsole/vtcon0/uevent
Modules linked in: pata_acpi ata_generic i915 drm i2c_algo_bit i2c_core
BUG: unable to handle kernel NULL pointer dereference at 00000005
IP: [<c065b8e5>] dmi_get_system_info+0x0/0xc
*pdpt = 0000000004c33001 *pde = 0000000000000000
Oops: 0002 [#4] SMP
last sysfs file: /sys/devices/virtual/vtconsole/vtcon0/uevent
Modules linked in: pata_acpi ata_generic i915 drm i2c_algo_bit i2c_core
BUG: unable to handle kernel NULL pointer dereference at 00000005
IP:(XEN) domain_crash_sync called from entry.S (ff1a2c9e)
(XEN) Domain 0 (vcpu#0) crashed on cpu#0:
(XEN) ----[ Xen-3.3.1 x86_32p debug=n Not tainted ]----
(XEN) CPU: 0
(XEN) EIP: 0061:[<c0545ef5>]
(XEN) EFLAGS: 00010206 EM: 1 CONTEXT: pv guest
(XEN) eax: da434171 ebx: da43415e ecx: c07e154f edx: 7fffffff
(XEN) esi: da434108 edi: c07cf380 ebp: da4340ec esp: da433fcc
(XEN) cr0: 8005003b cr4: 000006f0 cr3: 04c37000 cr2: da433fdc
(XEN) ds: 007b es: 007b fs: 00d8 gs: 0033 ss: 0069 cs: 0061
(XEN) Guest stack trace from esp=da433fcc:
(XEN) 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000(XEN) 00000000 00000000 00000000 00000000 00000000
(XEN) Domain 0 crashed: rebooting machine in 5 seconds.
Michael Young
boot.log.1.bz2
Description: Binary data
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