Re: [Qemu-devel] [TestDay] ppc64 pseries segfault

[Alexander Graf]

On 09.11.2011, at 02:41, David Gibson wrote:

> On Tue, Nov 08, 2011 at 11:40:20AM +0100, Andreas Färber wrote:
>> Hello,
>> 
>> On openSUSE 12.1 RC2 x86_64 host
>> 
>> $ ppc64-softmmu/qemu-system-ppc64 -M pseries -L .../pc-bios
>> 
>> segfaults. Backtrace:
>> 
>> Program received signal SIGSEGV, Segmentation fault.
>> 0x0000000000578a7e in spapr_create_phb (spapr=0x1247f80, busname=
>>    0x77f1b2 "pci", buid=<optimized out>, mem_win_addr=<optimized out>,
>>    mem_win_size=536870912, io_win_addr=1101659111424)
>>    at /home/andreas/QEMU/qemu/hw/spapr_pci.c:306
>> 306      QLIST_INSERT_HEAD(&spapr->phbs, phb, list);
>> (gdb) bt
>> #0  0x0000000000578a7e in spapr_create_phb (spapr=0x1247f80, busname=
>>    0x77f1b2 "pci", buid=<optimized out>, mem_win_addr=<optimized out>,
>>    mem_win_size=536870912, io_win_addr=1101659111424)
>>    at /home/andreas/QEMU/qemu/hw/spapr_pci.c:306
>> #1  0x00000000005760f8 in ppc_spapr_init (ram_size=134217728, boot_device=
>>    0x7fffffffdd50 "cad", kernel_filename=0x0, kernel_cmdline=0x69d000 "",
>>    initrd_filename=0x0, cpu_model=0x7ab640 "POWER7")
>>    at /home/andreas/QEMU/qemu/hw/spapr.c:507
>> #2  0x000000000040a4a9 in main (argc=<optimized out>, argv=<optimized out>,
>>    envp=<optimized out>) at /home/andreas/QEMU/qemu/vl.c:3340
>> 
>> I'd expect seeing SLOF boot.
> 
> That'll be due to the missing initialization of the sPAPREnvironment
> structure, and the phbs_list in particular.  I sent a fix for it, but
> I'm wondering if something went wrong with the mail, because no-one
> replied and now I can't seem to find it in the qemu-devel archives.

I got it, no worries. It just didn't make it for rc1, but will be in rc2! Sorry 
for being so unresponsive recently - I was on the road for 3 weeks O_o.


Alex