Re: [uml-devel] Panic while core dumping in tt-mode

[Bodo S. <bst...@fu...>]

Jeff Dike wrote:
> Bod...@fu... said:
> 
>>No, silly speculation! The real reason is, that in signal delivery no
>>fp-status is written and the pointer to the fp-status in the
>>signalcontext is set to NULL, if a thread had never used the fp-regs.
>>Easy to fix that, but what with the other issues: - In skas fpregs
>>never are dumped. (Instead random data is written
>>  to core) - dumping the register sets of other threads running in the
>>same
>>  thread group and mm is not supported - fpxregs are not dumped. They
>>could be dumped "if (have_fpx_regs)"
>>  (from arch/um/os-Linux/sys-i386/registers.c) Should I try a fix?
>>Does it make sense to fix all this? 
> 
> 
> It does.  I just haven't bothered because no one has complained about it and
> the fp stuff is ugly.
> 
> 				Jeff
OK. I will try to fix it.

Bodo