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Wed, 1 Jan 2020 13:36:11 +0000 Received: from SN6PR11MB3264.namprd11.prod.outlook.com ([fe80::78f3:73f9:eaff:d25c]) by SN6PR11MB3264.namprd11.prod.outlook.com ([fe80::78f3:73f9:eaff:d25c%7]) with mapi id 15.20.2581.007; Wed, 1 Jan 2020 13:36:10 +0000 From: "Li, Redhairer" To: "Williams, Dan J" Subject: RE: [PATCH] daxctl: Change region input type from INTEGER to STRING. Thread-Topic: [PATCH] daxctl: Change region input type from INTEGER to STRING. Thread-Index: AdWqSy7tSheIw9IbRFeymChi7Sx2XP//fIUA/99j/4CAQ1rRAP//ul5A//9ohUD//saYwP/8kCQA//bGW3D/6mQogP/RJpaQ Date: Wed, 1 Jan 2020 13:36:10 +0000 Message-ID: References: <2369E669066F8E42A79A3DF0E43B9E643AC9EB31@pgsmsx114.gar.corp.intel.com>

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Archived-At: List-Archive: List-Help: List-Post: List-Subscribe: List-Unsubscribe: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit > 2. 2 nvdimm will make daxctl-devices.sh FAIL Do you mean a system with real nvdimms makes daxctl-devices.sh fail? => No, I mean daxctl-devices.sh FAIL happen if I have mem1(nv1) and mem2(nv2) with following cmd. If ONLY have mem1(nv1), daxctl-devices.sh will PASS. qemu-system-x86_64 /root/vm/ubuntu-red_ndctltest_VM.img \ -m 16G,slots=4,maxmem=512G \ -smp 40 \ -machine pc,accel=kvm,nvdimm=on \ -enable-kvm \ -cpu kvm64 \ -object memory-backend-file,id=mem1,share,mem-path=/root/vm/tmp/nvdimm0,size=2G \ -device nvdimm,memdev=mem1,id=nv1,label-size=2M \ -object memory-backend-file,id=mem2,share,mem-path=/root/vm/tmp/nvdimm1,size=2G \ -device nvdimm,memdev=mem2,id=nv2,label-size=2M \ -numa node,mem=4G,cpus=0-19,nodeid=0 \ -numa node,mem=4G,cpus=20-39,nodeid=1 \ -numa node,mem=4G,nodeid=2 \ -numa node,mem=4G,nodeid=3 \ -----Original Message----- From: Dan Williams Sent: Monday, December 30, 2019 2:03 PM To: Li, Redhairer Cc: linux-nvdimm@lists.01.org Subject: Re: [PATCH] daxctl: Change region input type from INTEGER to STRING. On Sat, Dec 28, 2019 at 11:54 PM Li, Redhairer wrote: > > OK, got it. > I have figured out the problem. > I pass wrong parameter to util_daxctl_region_filter. > > But I found two other problems before I apply my patch. > > 1. DAX device already online after reconfigure it to system-ram. > > "$DAXCTL" reconfigure-device -N -m system-ram "$daxdev" > > If daxctl-device.sh do online-memory again, it makes FAIL > daxctl-devices.sh (exit status: 1) even I add --no-online when > reconfigure-device > > + ../daxctl/daxctl reconfigure-device -N -m system-ram --no-online > + dax0.0 > libdaxctl: memblock_in_dev: dax0.0: memory0: Unable to determine > phys_index: Success reconfigured 1 device [ > { > "chardev":"dax0.0", > "size":262144000, > "target_node":0, > "mode":"system-ram", > "movable":false > } > ] > ++ daxctl_get_mode dax0.0 > ++ ../daxctl/daxctl list -d dax0.0 > ++ jq -er '.[].mode' > libdaxctl: memblock_in_dev: dax0.0: memory0: Unable to determine > phys_index: Success > + [[ system-ram == \s\y\s\t\e\m\-\r\a\m ]] ../daxctl/daxctl > + online-memory dax0.0 > libdaxctl: memblock_in_dev: dax0.0: memory0: Unable to determine > phys_index: Success > libdaxctl: memblock_in_dev: dax0.0: memory0: Unable to determine > phys_index: Success > dax0.0: > WARNING: detected a race while onlining memory > Some memory may not be in the expected zone. It is > recommended to disable any other onlining mechanisms, > and retry. If onlining is to be left to other agents, > use the --no-online option to suppress this warning This is likely because Ubuntu ships a udev rule that automatically onlines hot-added memory. We've talked about a way to auto-detect when a distribution ships a udev configuration like this, but for now this warning message is the best we can do. [..]> > 2. 2 nvdimm will make daxctl-devices.sh FAIL Do you mean a system with real nvdimms makes daxctl-devices.sh fail? _______________________________________________ Linux-nvdimm mailing list -- linux-nvdimm@lists.01.org To unsubscribe send an email to linux-nvdimm-leave@lists.01.org