control: reassign -1 xen-hypervisor-4.8-amd64 On Sat, 2018-01-06 at 15:23 +0100, Valentin Vidic wrote: > On Sat, Jan 06, 2018 at 03:08:26PM +0100, Yves-Alexis Perez wrote: > > According to that link, the fix seems to be configuration rather than > > code. > > Does this mean this bug against the kernel should be closed? > > Yes, the problem seems to be in the Xen hypervisor and not the Linux > kernel itself. The default value for the gnttab_max_frames parameter > needs to be increased to avoid domU disk IO hangs, for example: > > GRUB_CMDLINE_XEN="dom0_mem=10240M gnttab_max_frames=256" > > So either close the bug or reassign it to xen-hypervisor package so > they can increase the default value for this parameter in the > hypervisor code. > Ok, I'll reassign and let the Xen maintainers handle that (maybe in a stable update).
@Xen maintainers: see the complete bug log for more information, but basically it seems that a domu freezes happens with the “new” multi-queue xen blk driver, and the fix is to increase a configuration value. Valentin suggests adding that to the default. Regards, -- Yves-Alexis
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