Re: current git master external module crashes my server

[Avi Kivity <avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org>]

Sebastian Faerber wrote:
> Hello,
>
> i just tried the current git master branch (last commit is
> 0fe149eb04e5e67f4d3ebc2ab9f2426356a308ba) as an external module with 2.6.23-rc3.
> My Host ist 32bit, running 2.6.23-rc3 equippped with
> "Intel(R) Core(TM)2 CPU          6600  @ 2.40GHz"
>
> I start my Fedora Core 6 Image with
> --
> /usr/local/kvm/bin/qemu-system-x86_64 -net user -net nic,model=rtl8139 -vnc :1
> -usbdevice tablet -monitor stdio -k de -hda fedora.img -cdrom
> /isos/FC-6-i386-disc1.iso -boot c -m 512 -redir tcp:5555::22
> --
>
> This image was installed using kvm long time ago (kvm-20 or something).
> It now crashes my host after approximatly 30 seconds:
> --
> BUG: unable to handle kernel NULL pointer dereference at virtual address 0000015c
>  printing eip:
> *pde = 00000000
> Oops: 0002 [#1]
> SMP
> Modules linked in: kvm_intel kvm
> CPU:    0
> EIP:    0060:[<c03c24ef>]    Not tainted VLI
> EFLAGS: 00010007   (2.6.23-rc3 #1)
> EIP is at __sched_text_start+0x1bf/0x3f1
> eax: c059a080   ebx: 00000000   ecx: f78d8200   edx: 00000000
> esi: 00000000   edi: f7787550   ebp: f2bcef30   esp: f2bcef04
> ds: 007b   es: 007b   fs: 00d8  gs: 0033  ss: 0068
> Process qemu-system-x86 (pid: 8860, ti=f2bce000 task=f75d7550 task.ti=f2bce000)
> Stack: c0000080 00000000 00000286 f88726d0 00000000 c2011000 c059e000 c2135000
>        f2bcef58 efddebd0 f2bcef4c efddebd0 f886762c 00000000 c2135000 c0125a4a
>        00000000 00000000 f88725f0 000000a1 efddebd0 00000000 c2135000 c0125a4a
> Call Trace:
>  [<f88726d0>] preempt_notifier_unregister+0x3b/0x57 [kvm]
>   

What was the last kvm version (or date of using kvm.git) that worked for 
you?

Are you using other interesting applications?  kvm external modules have 
a conflict with debuggers.

-- 
error compiling committee.c: too many arguments to function


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