[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] Problems when creating domU on OMAP5
On Mon, Sep 16, 2013 at 09:18:28PM +0800, Chen Baozi wrote: > Hi all, > > I tried to create a domU on OMAP5 today. But it seems there are still some > problems to solve before I can successfully creat it. > > I first cloned Julien's arndale-domU-3.9 branch which mentioned in wiki. > Then I modified gic addresses xenvm-4.2.dts to meet OMAP5432 requirement: > > --- a/arch/arm/boot/dts/xenvm-4.2.dts > +++ b/arch/arm/boot/dts/xenvm-4.2.dts > @@ -49,13 +49,13 @@ > reg = <0 0x80000000 0 0x08000000>; > }; > > - gic: interrupt-controller@2c001000 { > + gic: interrupt-controller@48211000 { > compatible = "arm,cortex-a15-gic", "arm,cortex-a9-gic"; > #interrupt-cells = <3>; > #address-cells = <0>; > interrupt-controller; > - reg = <0 0x10481000 0 0x1000>, > - <0 0x10482000 0 0x100>; > + reg = <0 0x48211000 0 0x1000>, > + <0 0x48212000 0 0x1000>; > }; > > timer { > > And make the kernel image as wiki said: > > $ cat arch/arm/boot/zImage arch/arm/boot/xenvm-4.2.dtb > image > > Write a config file used by xl like: > > kernel = "/root/domU/image" > memory = "128" > name = "domU" > vcpus = 1 > disk = [ 'phy:/dev/loop0,xvda,w' ] > > Setup loop device: > > $ losetup /dev/loop0 /root/domU/xen-arm.img > > which xen-arm.img is the a bootable rootfs. > > Finally I execute xl to create the domU: > > $ sudo xl create -f config -d > Parsing config from config > unable to format domain config as JSON (YAJL:1) > [ 80.685264] Failed to unmap pfn:9bce5 rc:-2 > [ 80.691741] Failed to unmap pfn:9e7da rc:-2 > [ 80.696310] Failed to unmap pfn:9bce5 rc:-2 > [ 80.702494] Failed to unmap pfn:9ba57 rc:-2 > [ 80.706932] Failed to unmap pfn:9bce3 rc:-2 > [ 80.718394] Failed to unmap pfn:9bce2 rc:-2 > libxl: error: libxl_device.c:894:device_backend_callback: unable to add > device with path /local/domain/0/backend/vbd/1/51712 > libxl: error: libxl_create.c:932:domcreate_launch_dm: unable to add disk > devices > libxl: error: libxl_device.c:894:device_backend_callback: unable to remove > device with path /local/domain/0/backend/vbd/1/51712 > libxl: error: libxl.c:1451:devices_destroy_cb: libxl__devices_destroy failed > for 1 > (XEN) mm.c:1092:d0 gnttab_mark_dirty not implemented yet > Besides, after few minutes of executing "xl create" command, there are continuous kernel oops message such as: [ 1009.236697] INFO: rcu_sched self-detected stall on CPU { 0} (t=65130 jiffies g=582 c=) [ 1009.245404] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.11.0-rc3+ #4 [ 1009.251843] [<c001b5ec>] (unwind_backtrace+0x0/0xf8) from [<c0017b90>] (show_stack+0x1) [ 1009.260426] [<c0017b90>] (show_stack+0x10/0x14) from [<c056dcac>] (dump_stack+0x70/0x8) [ 1009.268600] [<c056dcac>] (dump_stack+0x70/0x8c) from [<c00b776c>] (rcu_check_callbacks) [ 1009.277701] [<c00b776c>] (rcu_check_callbacks+0x340/0x7a8) from [<c005039c>] (update_p) [ 1009.287680] [<c005039c>] (update_process_times+0x38/0x64) from [<c008e9a0>] (tick_sche) [ 1009.297313] [<c008e9a0>] (tick_sched_handle+0x48/0x54) from [<c008ebe4>] (tick_sched_t) [ 1009.306599] [<c008ebe4>] (tick_sched_timer+0x44/0x74) from [<c00658c0>] (__run_hrtimer) [ 1009.315624] [<c00658c0>] (__run_hrtimer+0x7c/0x1dc) from [<c0066450>] (hrtimer_interru) [ 1009.324917] [<c0066450>] (hrtimer_interrupt+0x104/0x2a0) from [<c0446e48>] (arch_timer) [ 1009.334983] [<c0446e48>] (arch_timer_handler_virt+0x28/0x30) from [<c00b1e40>] (handle) [ 1009.345485] [<c00b1e40>] (handle_percpu_devid_irq+0x78/0x114) from [<c00ae7b0>] (gener) [ 1009.355551] [<c00ae7b0>] (generic_handle_irq+0x20/0x30) from [<c0014db4>] (handle_IRQ+) [ 1009.364402] [<c0014db4>] (handle_IRQ+0x38/0x94) from [<c0008670>] (gic_handle_irq+0x28) [ 1009.372909] [<c0008670>] (gic_handle_irq+0x28/0x5c) from [<c0573bc4>] (__irq_svc+0x44/) [ 1009.381321] Exception stack(0xc0805dd0 to 0xc0805e18) [ 1009.386445] 5dc0: 00000001 00000000 00000000 c08108 [ 1009.394690] 5de0: c0802900 c0802900 c101e900 cbcbfc00 60000113 ce67f600 c101e9b4 c0805c [ 1009.402935] 5e00: 60000193 c0805e18 c0095e90 c0470d1c 60000113 ffffffff [ 1009.409626] [<c0573bc4>] (__irq_svc+0x44/0x58) from [<c0470d1c>] (enqueue_to_backlog+0) [ 1009.418563] [<c0470d1c>] (enqueue_to_backlog+0x148/0x290) from [<c04711d4>] (netif_rx+) [ 1009.427503] [<c04711d4>] (netif_rx+0x54/0x154) from [<c03cf738>] (smsc95xx_rx_fixup+0x) [ 1009.436272] [<c03cf738>] (smsc95xx_rx_fixup+0xcc/0x22c) from [<c03d2e64>] (usbnet_bh+0) [ 1009.445123] [<c03d2e64>] (usbnet_bh+0xbc/0x260) from [<c0049108>] (tasklet_action+0x64) [ 1009.453628] [<c0049108>] (tasklet_action+0x64/0xf8) from [<c0048450>] (__do_softirq+0x) [ 1009.462481] [<c0048450>] (__do_softirq+0x114/0x290) from [<c0048970>] (irq_exit+0xa0/0) [ 1009.470822] [<c0048970>] (irq_exit+0xa0/0xd8) from [<c0014db8>] (handle_IRQ+0x3c/0x94) [ 1009.478796] [<c0014db8>] (handle_IRQ+0x3c/0x94) from [<c0008670>] (gic_handle_irq+0x28) [ 1009.487304] [<c0008670>] (gic_handle_irq+0x28/0x5c) from [<c0573bc4>] (__irq_svc+0x44/) [ 1009.495717] Exception stack(0xc0805f60 to 0xc0805fa8) [ 1009.500841] 5f60: 00000001 00000001 00000000 c0810648 c0804000 c088b340 c0804000 c088a4 [ 1009.509087] 5f80: c088b340 c057d320 c080c554 c0804000 60000093 c0805fa8 c0095ed4 c00150 [ 1009.517330] 5fa0: 20000013 ffffffff [ 1009.520895] [<c0573bc4>] (__irq_svc+0x44/0x58) from [<c0015100>] (arch_cpu_idle+0x20/0) [ 1009.529228] [<c0015100>] (arch_cpu_idle+0x20/0x30) from [<c0084d10>] (cpu_startup_entr) [ 1009.538356] [<c0084d10>] (cpu_startup_entry+0x78/0x220) from [<c07a37f4>] (start_kerne) Baozi _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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