Nothing is getting logged. I suspect its because the kernel just goes in halt state.
/var/log/kern.log /var/log/messages /var/log/xen/hypervisor.log All of these files have nothing appended. I can fetch info from kernel debugfs, if you point me to required area, The dom0 kernel works fine without spilt of SMP code or with "nosmp" option at xen command line. On Mon, Nov 5, 2018 at 3:49 PM Wei Liu <wei.l...@citrix.com> wrote: > On Sun, Nov 04, 2018 at 06:37:36PM +0530, Rishi wrote: > > I've built a dom0 kernel 4.14 with SMP support. The dom0 kernel crashes > > when I'm downloading a large file on host. It does not crash if I have > > nosmp boot option on xen command line. > > > > my .config SMP options are > > > > [root@f6029920339a wip-kernel-4.14.78]# grep SMP .config > > > > CONFIG_X86_64_*SMP*=y > > > > CONFIG_GENERIC_*SMP*_IDLE_THREAD=y > > > > CONFIG_*SMP*=y > > > > CONFIG_XEN_PV_*SMP*=y > > > > CONFIG_XEN_PVHVM_*SMP*=y > > > > # CONFIG_MAX*SMP* is not set > > > > CONFIG_PM_SLEEP_*SMP*=y > > > > CONFIG_SCSI_SAS_HOST_*SMP*=y > > > > > > While comparing it to earlier kernels the options > > > > CONFIG_XEN_PV_*SMP*=y > > > > CONFIG_XEN_PVHVM_*SMP*=y > > > > > > are newly introduced. Does xen need any update to better handle them? > > > > Please post the kernel log when it crashed. I'm afraid Xen developers > can't read your mind to figure out what went wrong. :-) > > Wei. >
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