[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-bugs] [x86_64] Kernel panic when creating first VM (same behavior on 2.6.27, 2.6.32, ...)
Hi, I've been using Xen on different x86 platforms without any troubles. I'm trying it for the first time on a pure x86_64 system. Everything went well for xen compilation, same for compiling dom0 kernel, and booting on it. But when I tryed to start my first VM, a kernel panic appeared, I've been trying upgrading to a newer dom0 kernel and the 4.0 release of xen, nothing helped, still the same behavior. Here's what I get (and see attached my dom0 .config file for kernel 2.6.32) : $ xm create /etc/xen/first_vm [ 123.670637] alloc irq_desc for 745 on node 0 [ 123.670641] alloc kstat_irqs on node 0 [ 123.729203] BUG: unable to handle kernel NULL pointer dereference at 0000000000000008 [ 123.729569] IP: [<ffffffff81321416>] netback_uevent+0x1e/0xb6 [ 123.729771] PGD 72afb067 PUD 72aa3067 PMD 0 [ 123.730003] Oops: 0000 [#1] SMP [ 123.730003] last sysfs file: /sys/devices/vif-1-0/uevent [ 123.730003] CPU 0 [ 123.730003] Modules linked in: [ 123.730003] Pid: 934, comm: udevd Not tainted 2.6.32.12 #2 [ 123.730003] RIP: e030:[<ffffffff81321416>] [<ffffffff81321416>] netback_uevent+0x1e/0xb6 [ 123.730003] RSP: e02b:ffff880072b25da8 EFLAGS: 00010246 [ 123.730003] RAX: 0000000000000000 RBX: ffff880072ae1800 RCX: 0000000000000000 [ 123.730003] RDX: 0000000000000037 RSI: ffff8800720cc000 RDI: 0000000000000000 [ 123.730003] RBP: ffff880072b25dc8 R08: 0000000000000002 R09: 0000000000000073 [ 123.730003] R10: 00000000000006a5 R11: 000000000002d1af R12: ffff8800720cc000 [ 123.730003] R13: ffff880072ae1800 R14: ffffffff8192c9f8 R15: ffff880034b85000 [ 123.730003] FS: 00007f2cea4126f0(0000) GS:ffff880001fa1000(0000) knlGS:0000000000000000 [ 123.730003] CS: e033 DS: 0000 ES: 0000 CR0: 000000008005003b [ 123.730003] CR2: 0000000000000008 CR3: 0000000072b03000 CR4: 0000000000002660 [ 123.730003] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 123.730003] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 123.730003] Process udevd (pid: 934, threadinfo ffff880072b24000, task ffff88007283adc0) [ 123.730003] Stack: [ 123.730003] ffff880072ae1840 ffff8800720cc000 ffff880072ae1800 ffffffff8192c9f8 [ 123.730003] <0> ffff880072b25df8 ffffffff81312e2c ffff880072ae1840 ffff8800720cc000 [ 123.730003] <0> ffff88007401d480 ffff880072ae1850 ffff880072b25e28 ffffffff8138ce3b [ 123.730003] Call Trace: [ 123.730003] [<ffffffff81312e2c>] xenbus_uevent_backend+0x90/0xab [ 123.730003] [<ffffffff8138ce3b>] dev_uevent+0x102/0x146 [ 123.730003] [<ffffffff8138db22>] show_uevent+0x81/0xd7 [ 123.730003] [<ffffffff8138cafd>] dev_attr_show+0x22/0x49 [ 123.730003] [<ffffffff810ba1b2>] ? __get_free_pages+0x9/0x46 [ 123.730003] [<ffffffff8113df56>] sysfs_read_file+0xac/0x12e [ 123.730003] [<ffffffff810ed94a>] vfs_read+0xa6/0x103 [ 123.730003] [<ffffffff810eda5d>] sys_read+0x45/0x69 [ 123.730003] [<ffffffff81011a82>] system_call_fastpath+0x16/0x1b [ 123.730003] Code: 00 00 0f 86 78 fe ff ff e9 e4 fb ff ff 55 48 89 e5 41 56 41 55 41 54 49 89 f4 53 48 89 fb 48 8d 7f 40 e8 84 e0 06 00 31 c9 31 ff <4c> 8b 68 08 48 8b 73 08 48 c7 c2 d6 1c 84 81 e8 e9 05 ff ff 49 [ 123.730003] RIP [<ffffffff81321416>] netback_uevent+0x1e/0xb6 [ 123.730003] RSP <ffff880072b25da8> [ 123.730003] CR2: 0000000000000008 [ 123.730003] ---[ end trace e62360ceb21167c0 ]--- Any idea ? Attachment:
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