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xen-users
Re: [Xen-users] Xen-4 PVUSB kernel bug / Xenlinux 2.6.32
Adding xen-devel to CC.. has anyone seen this earlier?
-- Pasi
On Fri, May 14, 2010 at 09:10:57PM +0200, Peter Klar wrote:
> Hallo,
>
> system is Gentoo amd64, Xen-4.0.0, kernel is Gentoo's xen-sources-2.6.32-
> xen-r1.
> Hardware is DualCore AMD Athlon with 8GB RAM.
>
> I tried to use an USB printer (Samsung CLP-310) via PVUSB as follows:
> - modprobe usbbk in dom0
> - xm usb-hc-create domainX 2 8
> - xm usb-attach domainX 0 1 2-3
> (selected the correspondend BusID displayed by 'xm usb-list-assignable-
> devices')
>
> So far everything is ok, domU automatically loads the necessary modules,
> lsusb within the domU 'domainX' displays the root-hub and the usb-printer.
>
> When testing the printer with cups (printing a testpage) the dom0 kernel
> dumps and the system hangs/is unusable, needs to be reset.
> The printer receives some but not the complete/correct data.
>
> Testing an USB mass storage device (Kingston 8GB memstick) seems to work,
> even though it could only be mounted readonly within the domU, at least I
> got no kernel crash but didn't test this one further.
>
> As the bug seems to be related to the SLAB allocator, the dump says 'kernel
> BUG at mm/slub.c:2969!', I also recompiled the kernel using the SLAB instead
> of SLUB allocator, but this does not make any difference, the behaviour is
> the same (beside the dump then reports a bug within slab.c instead of
> slub.c).
>
> Do you have any hints regarding this issue, do I perhaps miss some USB
> related modules or similar?
> I did not compile any hardware USB host controller driver for the domU
> kernel (only xen-hcd), all in all the kernel is pretty stripped down.
>
> Thanks & Regards
> Peter Klar
>
>
> ------------[ cut here ]------------
> kernel BUG at mm/slub.c:2969!
> invalid opcode: 0000 [#1] SMP
> last sysfs file: /sys/devices/xen-backend/vbd-3-51745/statistics/wr_sect
> CPU 0
> Modules linked in: usbbk ipv6 bridge stp llc usbhid hid usb_storage
> ide_pci_generic evdev atiixp ehci_hcd ohci_hcd processor pcspkr r8169
> usbcore ide_core thermal_sys mii button
> Pid: 0, comm: swapper Tainted: G W 2.6.32-xen-r1-mcclure #1 To Be
> Filled By O.E.M.
> RIP: e030:[<ffffffff802a35a7>] [<ffffffff802a35a7>] kfree+0xf7/0x100
> RSP: e02b:ffff880001008d08 EFLAGS: 00010046
> RAX: 4000000000000000 RBX: ffff88000cdf0000 RCX: ffff8800013168b8
> RDX: 0000000000066f80 RSI: ffff8800013d3c80 RDI: ffff88000cdf0000
> RBP: ffffffffa0043150 R08: 0000000000000000 R09: ffff88000181f1c0
> R10: 0000000000000000 R11: 0000000000000000 R12: ffff8800000050c0
> R13: ffff88000d24c400 R14: ffff88000d24c55c R15: ffff8800000050c0
> FS: 00007f5cc08d8910(0000) GS:ffff880001005000(0000) knlGS:0000000000000000
> CS: e033 DS: 0000 ES: 0000 CR0: 000000008005003b
> CR2: 00007ff066592000 CR3: 000000000b885000 CR4: 0000000000000660
> DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
> Process swapper (pid: 0, threadinfo ffffffff805e6000, task ffffffff80610420)
> Stack:
> ffff8800000050c0 ffffffffa0043150 ffff8800000050c0 ffffffffa0043163
> <0> ffff8800000050c0 ffffffff803629d3 ffff8800000050c0 ffff88000d24c540
> <0> 0000000000000000 ffffffffa009d21e 0000000000009c01 ffff88000d7ec240
> Call Trace:
> <IRQ>
> [<ffffffffa0043150>] ? urb_destroy+0x0/0x20 [usbcore]
> [<ffffffffa0043163>] ? urb_destroy+0x13/0x20 [usbcore]
> [<ffffffff803629d3>] ? kref_put+0x33/0x70
> [<ffffffffa009d21e>] ? ehci_urb_done+0xae/0x100 [ehci_hcd]
> [<ffffffffa009d64c>] ? qh_completions+0x3dc/0x470 [ehci_hcd]
> [<ffffffffa009e18e>] ? ehci_work+0x8e/0x950 [ehci_hcd]
> [<ffffffff8026effc>] ? force_quiescent_state+0x2c/0x310
> [<ffffffffa00a26d5>] ? ehci_irq+0x105/0x230 [ehci_hcd]
> [<ffffffffa0042a61>] ? usb_hcd_irq+0x51/0xd0 [usbcore]
> [<ffffffff8026f955>] ? rcu_process_callbacks+0x45/0x50
> [<ffffffff8026aeba>] ? handle_IRQ_event+0x3a/0x100
> [<ffffffff8026d605>] ? handle_level_irq+0x95/0x170
> [<ffffffff8020a3bc>] ? call_softirq+0x1c/0x30
> [<ffffffff8020bcf7>] ? handle_irq+0x17/0x20
> [<ffffffff803d8bab>] ? evtchn_do_upcall+0x15b/0x270
> [<ffffffff80209e1e>] ? do_hypervisor_callback+0x1e/0x30
> <EOI>
> [<ffffffff8020c8fd>] ? xen_safe_halt+0xad/0x140
> [<ffffffff802103f5>] ? xen_idle+0x25/0x60
> [<ffffffff802080b7>] ? cpu_idle+0x47/0x80
> [<ffffffff8065dc75>] ? start_kernel+0x2d5/0x3c0
> Code: 14 49 8b 00 48 89 04 d3 49 89 18 eb b1 66 a9 00 c0 74 18 5b 5d 41 5c
> 48 89 f7 e9 25 93 fd ff 48 8b 76 10 48 8b 06 e9 48 ff ff ff <0f> 0b eb fe 0f
> 1f
> 44 00 00 48 81 ef a8 00 00 00 e9 f4 fe ff ff
> RIP [<ffffffff802a35a7>] kfree+0xf7/0x100
> RSP <ffff880001008d08>
> ---[ end trace 9ad80e66b0ffe961 ]---
> Kernel panic - not syncing: Fatal exception in interrupt
> Pid: 0, comm: swapper Tainted: G D W 2.6.32-xen-r1-mcclure #1
> Call Trace:
> <IRQ> [<ffffffff802346a6>] ? panic+0x86/0x170
> [<ffffffff8024e2b6>] ? up+0x16/0x50
> [<ffffffff80234ee8>] ? release_console_sem+0x238/0x290
> [<ffffffff8020dee1>] ? oops_end+0xd1/0xe0
> [<ffffffff8020b294>] ? do_invalid_op+0x84/0xc0
> [<ffffffff802a35a7>] ? kfree+0xf7/0x100
> [<ffffffff8020e290>] ? print_context_stack+0x40/0xb0
> [<ffffffff8020ef40>] ? dma_generic_free_coherent+0x0/0x40
> [<ffffffff802244e0>] ? xen_destroy_contiguous_region+0x390/0x6e0
> [<ffffffffa0043150>] ? urb_destroy+0x0/0x20 [usbcore]
> [<ffffffff8020a045>] ? invalid_op+0x25/0x30
> [<ffffffffa0043150>] ? urb_destroy+0x0/0x20 [usbcore]
> [<ffffffff802a35a7>] ? kfree+0xf7/0x100
> [<ffffffff802a34c6>] ? kfree+0x16/0x100
> [<ffffffffa0043150>] ? urb_destroy+0x0/0x20 [usbcore]
> [<ffffffffa0043163>] ? urb_destroy+0x13/0x20 [usbcore]
> [<ffffffff803629d3>] ? kref_put+0x33/0x70
> [<ffffffffa009d21e>] ? ehci_urb_done+0xae/0x100 [ehci_hcd]
> [<ffffffffa009d64c>] ? qh_completions+0x3dc/0x470 [ehci_hcd]
> [<ffffffffa009e18e>] ? ehci_work+0x8e/0x950 [ehci_hcd]
> [<ffffffff8026effc>] ? force_quiescent_state+0x2c/0x310
> [<ffffffffa00a26d5>] ? ehci_irq+0x105/0x230 [ehci_hcd]
> [<ffffffffa0042a61>] ? usb_hcd_irq+0x51/0xd0 [usbcore]
> [<ffffffff8026f955>] ? rcu_process_callbacks+0x45/0x50
> [<ffffffff8026aeba>] ? handle_IRQ_event+0x3a/0x100
> [<ffffffff8026d605>] ? handle_level_irq+0x95/0x170
> [<ffffffff8020a3bc>] ? call_softirq+0x1c/0x30
> [<ffffffff8020bcf7>] ? handle_irq+0x17/0x20
> [<ffffffff803d8bab>] ? evtchn_do_upcall+0x15b/0x270
> [<ffffffff80209e1e>] ? do_hypervisor_callback+0x1e/0x30
> <EOI> [<ffffffff8020c8fd>] ? xen_safe_halt+0xad/0x140
> [<ffffffff802103f5>] ? xen_idle+0x25/0x60
> [<ffffffff802080b7>] ? cpu_idle+0x47/0x80
> [<ffffffff8065dc75>] ? start_kernel+0x2d5/0x3c0
>
>
> #################################################
> # uname -a
> Linux mcclure 2.6.32-xen-r1-mcclure #1 SMP Thu May 13 13:57:34 CEST 2010
> x86_64 AMD Athlon(tm) Dual Core Processor 4850e AuthenticAMD GNU/Linux
>
> #################################################
> # xm info
> host : mcclure
> release : 2.6.32-xen-r1-mcclure
> version : #1 SMP Thu May 13 13:57:34 CEST 2010
> machine : x86_64
> nr_cpus : 2
> nr_nodes : 1
> cores_per_socket : 2
> threads_per_core : 1
> cpu_mhz : 2494
> hw_caps :
> 178bf3ff:ebd3fbff:00000000:00000010:00002001:00000000:0000011f:00000000
> virt_caps : hvm
> total_memory : 8140
> free_memory : 1413
> node_to_cpu : node0:0-1
> node_to_memory : node0:1413
> node_to_dma32_mem : node0:1413
> max_node_id : 0
> xen_major : 4
> xen_minor : 0
> xen_extra : .0
> xen_caps : xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32
> hvm-3.0-x86_32p hvm-3.0-x86_64
> xen_scheduler : credit
> xen_pagesize : 4096
> platform_params : virt_start=0xffff800000000000
> xen_changeset : unavailable
> xen_commandline : dom0_mem=512M
> cc_compiler : gcc version 4.1.2 (Gentoo 4.1.2 p1.3)
> cc_compile_by :
> cc_compile_domain : priv.chaos
> cc_compile_date : Mon May 10 23:18:53 CEST 2010
> xend_config_format : 4
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users
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