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[Xen-devel] How to display dom0 kernel printk on hvc0

Hi Stefano,

I am debugging a kernel crash when I start xencommons. If I add prints in kernel the prints are only visible in dmesg and not on dom0 console. This makes it difficult to view kernel printks at the time of crash.

I tried xen_raw_printks but the print only comes when you press a key, so while a crash is happening you cannot press a key.

Is there a way to enable printks on hvc0Â
is there a way to dump __logbuf of linux from xen shell.

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