Re: [libvirt] [PATCH] qemu: Fix shutdown regression

On Tue, Sep 20, 2011 at 19:39:15 +0200, Jiri Denemark wrote: > The commit that prevents disk corruption on domain shutdown > (96fc4784177ecb70357518fa863442455e45ad0e) causes regression with QEMU > 0.14.* and 0.15.* because of a regression bug in QEMU that was fixed > only recently in QEMU git. With affected QEMU binaries, domains cannot > be shutdown properly and stay in a paused state. This patch tries to > avoid this by sending SIGKILL to 0.1[45].* QEMU processes. Though we > wait a bit more between sending SIGTERM and SIGKILL to reduce the > possibility of virtual disk corruption. An alternative solution would be to break reboot on affected QEMUs instead of trying to live with possible data corruption as if libvirt 0.9.[34] is used. That is, virDomainReboot would report unsupported operation because current emulator binary is not able to support it without causing possible data corruption during shutdown.

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