Messages in this thread | | | Date | Wed, 28 Mar 2001 13:14:52 -0500 | From | Brian Gerst <> |
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Eric Buddington wrote: > > On Tue, Mar 27, 2001 at 09:22:19AM -0500, Brian Gerst wrote: > > Try running ls under gdb and find out what instruction is causing SIGILL > > (illegal opcode). It is possible that it was compiled to use > > instructions available only on later processors, or it could potentially > > be a bug in the math emulation code. > > OK. Context again (since I clipped preceding notes): 386SX/20 nfsroot, > getting SIGILL on lots of processes, math emulation is enabled, ls and > glibc were compiled with '-march=i386 -mcpu=i386' to be sure. > > I include two gdb dumps below, one from ls, one from mount, both > died with SIGILL. If these were indeed illegal instructions on 386, > I'll take my woes to the glibc folks and stop bothering y'all. > > -Eric
> 0x401248b4 <compare_and_swap+16>: lock cmpxchg %edx,(%ecx) > 0x40136764 <htonl+4>: bswap %eax
bswap isn't available until the 486 and cmpxchgb until the pentium. Looks like you have a glibc compiled for a 486+.
--
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