Messages in this thread |  | | Subject | Re: AVX register corruption from signal delivery | From | Barret Rhoden <> | Date | Tue, 26 Nov 2019 16:23:40 -0500 |
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On 11/26/19 3:20 PM, Sebastian Andrzej Siewior wrote: > On 2019-11-26 14:49:55 [-0500], Barret Rhoden wrote: >> Hi - > Hi, > >> The bug requires the kernel to be built with GCC 9 to trigger. In >> particular, arch/x86/kernel/fpu/signal.c needs to be built with GCC 9. > > I've been pinged already, I will look into this. Please send me a > .config just to be sure. From browsing over the bug CONFIG_PREEMPTION > was required.
Thanks; config attached. I've been able to recreate it in QEMU with at least 2 cores.
Barret
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