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    SubjectRe: KVM-AMD OOPS
    Jeremy Fitzhardinge wrote:
    > Sasa Ostrouska wrote:
    >> root@rcserver:~# modprobe kvm-amd
    >> int3: 0000 [1] PREEMPT SMP
    >> CPU 1
    >> Modules linked in: kvm_amd snd_seq_dummy snd_seq_oss
    >> snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss snd_mixer_oss
    >> nls_iso8859_1 ntfs nls_base usb_storage libusual capability commoncap
    >> lp psmouse snd_hda_intel snd_hda_codec snd_pcm snd_timer ohci_hcd
    >> ehci_hcd 8139too rtc_cmos snd soundcore snd_page_alloc usbcore k8temp
    >> mii rtc_core rtc_lib i2c_nforce2 parport_pc parport
    >> Pid: 2898, comm: modprobe Tainted: P 2.6.21.5 #1
    >> RIP: 0010:[<ffffffff80572364>] [<ffffffff80572364>]
    >> register_cpu_notifier+0x1/0x31
    >> RSP: 0000:ffff81006e34df40 EFLAGS: 00000246
    >> RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00000000c0010117
    >> RDX: 000000000000ffff RSI: ffff81006e219640 RDI: ffffffff80536510
    >> RBP: ffffffff880d8840 R08: 0000000000000000 R09: 000000000006b5f4
    >> R10: 0000000000000000 R11: 0000000000000000 R12: 00000000005296b0
    >> R13: 00007fff51fe55c0 R14: 0000000000000000 R15: 0000000000000000
    >> FS: 00002b4e58e18b00(0000) GS:ffff810002e794c0(0000)
    >> knlGS:0000000000000000
    >> CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
    >> CR2: 000000000050df64 CR3: 000000007a0f3000 CR4: 00000000000006e0
    >> Process modprobe (pid: 2898, threadinfo ffff81006e34c000, task
    >> ffff81007bc48400)
    >> Stack: ffffffff8039e024 ffff81006e34c000 ffffffff880d8840
    >> 0000000000005e19
    >> ffffffff8024537c 0000000000000000 00007fff51fe50c0 00000000004142d0
    >> ffffffff8020967e 0000000000000206 00000000005230e0 000000000052f4c9
    >> Call Trace:
    >> [<ffffffff8039e024>] kvm_init_arch+0x90/0x145
    >> [<ffffffff8024537c>] sys_init_module+0xad/0x168
    >> [<ffffffff8020967e>] system_call+0x7e/0x83
    >>
    >>
    >> Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc
    >
    > This is the init section poison pattern. Looks like an init function
    > was used after the code was freed.

    Indeed, the function is register_cpu_notifier which is declared
    __cpuinit, which, without hotplug compiled in, is simply __init.

    I'll prepare a patch for this. Meanwhile, you can work around it by
    enabling CONFIG_HOTPLUG_CPU.

    --
    Do not meddle in the internals of kernels, for they are subtle and quick to panic.

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      Last update: 2007-07-09 09:11    [W:0.023 / U:119.440 seconds]
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