Random kernel panic since upgrade to 3.4 kernel

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https://bbs.archlinux.org – Best_ wrote:I thought it was my hardware that was failing...That's exactly what I thought because the crash is hard and totally unpredictable, and then I remembered this thread (and finally caught a backtrace showing that the X "lockups" I've been having for several days were really kernel panics on "illegal opcode", my system was attempting some i/o on a jfs filesystem -- don't know if the crash is in jfs or timer code or interrupt handler...).The panic comes along with kernel 3.4.1; I reverted to 3.3.3.  This panic is on a Sandy Bridge system with core (HowTos)