From: Ingo M. <mi...@el...> - 2004-02-05 19:15:48
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* Ingo Molnar <mi...@el...> wrote: > mind sending the archparam-i386.h diff you have? I commented out the > creation of the two vsyscall auxiliary entries in ARCH_DLINFO - is > that enough? the crash here seems to be that after fork() the contents of GS are lost and the next %gs access segfaults due to the #GPF. (which UML mistakes for a pagefault and thus gets into an infinite loop.) if i boot in via init=/bin/bash and do eg a 'exec /bin/ls' then this crash doesnt happen, so it's clearly fork() somehow not inheriting the LDT setup properly. (which could very well be due to my LDT hackery in the 2.6 host-skas3 patch.) while glibc seems to be innocent, this is clearly triggered by the TLS code in glibc. Older glibc works fine. tt mode seems to work on the other hand - and it doesnt use the LDT op in /proc/mm. So newer host-skas3 is apparently broken to a certain degree. Ingo |