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SubjectRe: OOPS loading kvm_intel or kvm_amd in kernel 3.2.77
KVM - Oops is gone using kernel 3.2.78
Module kvm_intel and kvm_amd is now working as expected.

Thank you!

BR, Toni


Zitat von astx <astx@aws-it.at>:

> While trying to load module kvm_intel from kernel version 3.2.77 I
> get following Oops:
>
>
> has_svm: not amd
> kvm: no hardware support
> BUG: unable to handle kernel NULL pointer dereference at 00000000000001f0
> IP: [<ffffffffa021d865>] kvm_arch_init+0xe5/0x1c0 [kvm]
> PGD 26052d067 PUD 28a417067 PMD 0
> Oops: 0000 [#1] SMP
> CPU 0
> Modules linked in: kvm_intel(+) kvm ip6t_LOG xt_tcpudp xt_pkttype
> ipt_LOG xt_limit af_packet edd ip6t_REJECT nf_conntrack_ipv6
> nf_defrag_ipv6 ip6table_raw xt_NOTRACK ipt_REJECT iptable_raw
> iptable_filter ip6table_mangle nf_conntrack_netbios_ns
> nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables
> xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables
> microcode mperf dm_mod ata_generic ata_piix libata sg hpilo e1000e
> serio_raw iTCO_wdt pcspkr intel_agp intel_gtt button container
> joydev hpwdt iTCO_vendor_support ext4 jbd2 crc16 uhci_hcd sd_mod
> hpsa scsi_mod ehci_hcd fan processor thermal thermal_sys [last
> unloaded: freq_table]
>
> Pid: 566, comm: modprobe Not tainted 3.2.77-277-smp_m_64 #1 HP
> PROLIANT DL120 G7
> RIP: 0010:[<ffffffffa021d865>]  [<ffffffffa021d865>]
> kvm_arch_init+0xe5/0x1c0 [kvm]
> RSP: 0018:ffff880107d69e38  EFLAGS: 00010246
> RAX: 0000000000000000 RBX: ffffffffa023eab0 RCX: 0000000000000000
> RDX: 0000000000000000 RSI: ffff880107d69e64 RDI: 0000000000000000
> RBP: ffff880107d69e98 R08: 0000000000000000 R09: ffffe8ffffde1e20
> R10: 0000000000000000 R11: ffff8802f539d000 R12: 0000000000000014
> R13: 0000000000000013 R14: ffff880107d69e64 R15: ffffffffa0272e80
> FS:  00007f426c421700(0000) GS:ffff88030bc00000(0000) knlGS:0000000000000000
> CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
> CR2: 00000000000001f0 CR3: 000000010381a000 CR4: 00000000000406f0
> DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
> Process modprobe (pid: 566, threadinfo ffff880107d68000, task
> ffff8802f2914000)
> Stack:
>  ffffffffa0273198 0000000000000030 ffff88030bfe6000 00000000a0273180
>  ffff880107d69e68 0000000081839c60 00000000000000d0 00000000fffffff4
>  ffffffffa0263d28 0000000000000010 0000000000003920 ffffffffa0273180
> Call Trace:
>  [<ffffffffa020c8da>] kvm_init+0x2a/0x310 [kvm]
>  [<ffffffffa014c5e0>] ? vmx_check_processor_compat+0x64/0x64 [kvm_intel]
>  [<ffffffffa014c706>] vmx_init+0x126/0x1f6 [kvm_intel]
>  [<ffffffff8100214f>] do_one_initcall+0x3f/0x180
>  [<ffffffff8108ca50>] sys_init_module+0x90/0x1e0
>  [<ffffffff814cc5b2>] system_call_fastpath+0x16/0x1b
> Code: 83 c3 04 41 83 fc 15 74 3d 8b 3b 4c 89 f6 e8 73 3c e1 e0 66 90
> 8b 7d cc 85 ff 78 df 81 3b 03 01 00 c0 75 c2 48 8b 05 f3 24 02 00
> <ff> 90 f0 01 00 00 84 c0 75 b1 41 83 c4 01 48 83 c3 04 41 83 fc
> RIP  [<ffffffffa021d865>] kvm_arch_init+0xe5/0x1c0 [kvm]
>  RSP <ffff880107d69e38>
> CR2: 00000000000001f0
> ---[ end trace 6f989560e7f26d23 ]---
>
> _PART OF CPUINFO_:
> processor       : 3
> vendor_id       : GenuineIntel
> cpu family      : 6
> model           : 42
> model name      : Intel(R) Xeon(R) CPU E31220 @ 3.10GHz
> stepping        : 7
> microcode       : 0x14
> cpu MHz         : 3093.311
> cache size      : 8192 KB
> physical id     : 0
> siblings        : 4
> core id         : 3
> cpu cores       : 4
> apicid          : 6
> initial apicid  : 6
> fpu             : yes
> fpu_exception   : yes
> cpuid level     : 13
> wp              : yes
> flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr
> pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm
> pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good
> nopl xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor
> ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm pcid sse4_1 sse4_2
> x2apic popcnt tsc_deadline_timer aes xsave avx lahf_lm ida arat
> xsaveopt pln pts dtherm tpr_shadow vnmi flexpriority ept vpid
> bogomips        : 6185.90
> clflush size    : 64
> cache_alignment : 64
> address sizes   : 36 bits physical, 48 bits virtual
> power management:
>
> Attached my kernel config.gz
> Up to kernel version 3.2.76 KVM subsystem was 100% OK and working flawless!
> Another machine running AMD 16 core cpu has also problems loading
> kvm_amd from 3.2.77  but was running fine with 3.2.76.
>
> Maybe one can help me here.
>
> BR, Toni



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