Date: Mon, 23 May 2016 19:38:42 +0000 From: Marcin Cieslak <saper@saper.info> To: freebsd-xen@freebsd.org Subject: Leftover (null) domUs Message-ID: <alpine.BSF.2.11.1605231935570.2130@z.fncre.vasb>
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Hello, sometimes (rarely) zombie domains are left over after "xl destroy": # xl list Name ID Mem VCPUs State Time(s) Domain-0 0 3270 1 r----- 28887.1 (null) 7 0 1 --ps-d 769.7 (null) 34 0 2 --p--d 5.3 both are HVMs runing on r299012, (#7 was HVM FreeBSD guest, #34 Windows 2016 Server). Recent "xl dmesg entries": (XEN) mm.c:2010:d0v0 Error pfn 12b0a5: rd=ffff8304122e4000, od=0000000000000000, caf=180000000000000, taf=0000000000000001 (XEN) mm.c:2010:d0v0 Error pfn 12b0a4: rd=ffff8304122e4000, od=0000000000000000, caf=180000000000000, taf=0000000000000001 (XEN) mm.c:2010:d0v0 Error pfn 12b0a3: rd=ffff8304122e4000, od=0000000000000000, caf=180000000000000, taf=0000000000000001 (XEN) mm.c:2010:d0v0 Error pfn 12b0a2: rd=ffff8304122e4000, od=0000000000000000, caf=180000000000000, taf=0000000000000001 Trying to kill them again with xl destroy causes: # xl destroy 7 libxl: error: libxl_dm.c:1602:kill_device_model: unable to find device model pid in /local/domain/7/image/device-model-pid libxl: error: libxl.c:1615:libxl__destroy_domid: libxl__destroy_device_model failed for 7 libxl: info: libxl.c:1698:devices_destroy_cb: forked pid 18500 for destroy of domain 7 Marcin
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