Anyone ? Wakko Warner wrote: > Starting with 4.10-rc1, I'm seeing an issue with a VM that boots an old > kernel. The VM uses kernel 3.3.0 and is booted directly by qemu. This VM > is a copy of a physical machine. > > During boot, it hangs for several seconds on "Using IPI No-Shortcut mode". > The next line shows something about ata5 link down. According to the kernel > timing, the difference is less than .3 seconds, however many seconds had > actually passed. During boot, after fsck finishes, nothing happens, it's > like it's hung. When I issue "sleep 1", it takes way longer than 1 second > to complete. > > I made a copy of another system that has an old kernel (2.6.36.2). It > boots, but it hangs for a few seconds after TCP cubic registered then prints > ata4 link down. Issueing "sleep 1" takes a long time. I also noticed that > issueing date several times shows the same date each time, even several > minutes later. > > This worked with 4.9.65 and 67 (and older). > > If I change the qemu command line to not use KVM, it works fine, although > it runs slower. > > I tested some other VMs that use newer kernels (like 4.4.4). They work OK. > with the host being 4.10. I tested linuxmint 18.1 without problems. > Issueing date several times shows the time incrementing as expected.
-- Microsoft has beaten Volkswagen's world record. Volkswagen only created 22 million bugs.
