[Bug 1888971] Re: SMI trigger causes hang with multiple cores

2020-08-12 Thread Laszlo Ersek (Red Hat)
Inactive for ~two weeks, closing. ** Changed in: qemu Status: New => Incomplete ** Changed in: qemu Status: Incomplete => Invalid -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1888971

[Bug 1888971] Re: SMI trigger causes hang with multiple cores

2020-07-31 Thread Laszlo Ersek (Red Hat)
> I guess fundamentally th issue is writing 0xXX in IO port 0xB2 should > trigger SMI handler in all possible core but instead it triggers SMI > only in Core#0. For that, the guest needs to negotiate the "broadcast SMI" feature with QEMU. See commit range 57bb40c9db40..b8bab8eb6934. -- You recei

[Bug 1888971] Re: SMI trigger causes hang with multiple cores

2020-07-30 Thread Naresh GS
I tried without specifying -bios parameter still hang is seen. But this time it had low memory corruption. And built seabios with more debug logs but seabios doesn't does SMM init even when its selected in make menuconfig. I guess fundamentally th issue is writing 0xXX in IO port 0xB2 should trig

[Bug 1888971] Re: SMI trigger causes hang with multiple cores

2020-07-27 Thread Laszlo Ersek (Red Hat)
Does coreboot do anything to set up an SMI handler? Does it relocate SMBASE for all processors? Misbehavior upon raising an SMI is fully expected, unless the guest (usually the guest firmware) sets up SMI handling properly. The bug report currently includes only two bits of information about gues