[kib@freebsd.org: [src] cvs commit: src/sys/amd64/linux32 linux32_sysvec.c]

[Kostik Belousov]

On Wed, Nov 01, 2006 at 01:56:55AM -0600, Scot Hetzel wrote:
> On 10/31/06, Jung-uk Kim <jkim at freebsd.org> wrote:
> >On Tuesday 31 October 2006 01:26 pm, Kostik Belousov wrote:
> >> kib         2006-10-31 17:53:02 UTC
> >>
> >>   FreeBSD src repository
> >>
> >>   Modified files:
> >>     sys/amd64/linux32    linux32_sysvec.c
> >>   Log:
> >>   Fix a typo resulting in truncated linux32 signal trampoline code
> >> copied to the usermode. Usually, signal handler segfaulted on
> >> return.
> >>
> >>   Reviewed by:    jhb
> >>   MFC after:      3 days
> >>
> >>   Revision  Changes    Path
> >>   1.25      +1 -1      src/sys/amd64/linux32/linux32_sysvec.c
> >>
> >> This change is supposed to fix the handling of signals for linux
> >> binaries on amd64 (at least, it did so for me). Please, inform me
> >> whether it works for you.
> >
> >Bash no longer segfaults with this fix.  I am running full LTP and it
> >seems very promising so far.
> >
> linux-wine used to segfault with:
> 
> $ /compat/linux/usr/bin/wineprefixcreate
> fatal process exception: general protection fault, fault VA = 0x0 <- pid 
> 1717?
> fatal process exception: general protection fault, fault VA = 0x0 <- pid 
> 1718?
> Segmentation fault (core dumped)
> 
> under compat.linux.osrelease: 2.4.2, now linux-wine exits with:
> 
> $ /compat/linux/usr/bin/wineprefixcreate
> wine: failed to initialize: /usr/lib/wine/ntdll.dll.so: failed to map
> segment from shared object: Cannot allocate memory
> 
> Doesn't help the compat.linux.osrelease: 2.6.16 case, as it is a
> different problem involving thread-local storage.
Does wine have a chance to run on amd64 ? I vaguely remember that wine wants
allocation of segments in LDT, that is not implemented on amd64.
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