I0416 03:49:14.229810 53578 cephcsi.go:191] Driver version: v3.11.0 and Git version: bc24b5eca87626d690a29effa9d7420cc0154a7a I0416 03:49:14.229997 53578 cephcsi.go:268] Initial PID limit is set to -1 I0416 03:49:14.230028 53578 cephcsi.go:274] Reconfigured PID limit to -1 (max) I0416 03:49:14.230050 53578 cephcsi.go:223] Starting driver type: rbd with name: rbd.csi.ceph.com I0416 03:49:14.243995 53578 mount_linux.go:282] Detected umount with safe 'not mounted' behavior I0416 03:49:14.261285 53578 rbd_attach.go:242] nbd module loaded I0416 03:49:14.261335 53578 rbd_attach.go:256] kernel version "5.15.0-174-generic" supports cookie feature I0416 03:49:14.284682 53578 rbd_attach.go:272] rbd-nbd tool supports cookie feature I0416 03:49:14.285108 53578 server.go:114] listening for CSI-Addons requests on address: &net.UnixAddr{Name:"/csi/csi-addons.sock", Net:"unix"} I0416 03:49:14.285243 53578 server.go:117] Listening for connections on address: &net.UnixAddr{Name:"//csi/csi.sock", Net:"unix"} I0416 03:49:15.504883 53578 utils.go:198] ID: 1 GRPC call: /csi.v1.Identity/GetPluginInfo I0416 03:49:15.507103 53578 utils.go:199] ID: 1 GRPC request: {} I0416 03:49:15.507142 53578 identityserver-default.go:40] ID: 1 Using default GetPluginInfo I0416 03:49:15.507248 53578 utils.go:205] ID: 1 GRPC response: {"name":"rbd.csi.ceph.com","vendor_version":"v3.11.0"} I0416 03:49:16.152546 53578 utils.go:198] ID: 2 GRPC call: /csi.v1.Node/NodeGetInfo I0416 03:49:16.152837 53578 utils.go:199] ID: 2 GRPC request: {} I0416 03:49:16.152918 53578 nodeserver-default.go:45] ID: 2 Using default NodeGetInfo I0416 03:49:16.153099 53578 utils.go:205] ID: 2 GRPC response: {"accessible_topology":{},"node_id":"instance"} I0416 03:49:36.001229 53578 utils.go:198] ID: 3 GRPC call: /csi.v1.Node/NodeGetCapabilities I0416 03:49:36.001380 53578 utils.go:199] ID: 3 GRPC request: {} I0416 03:49:36.001633 53578 utils.go:205] ID: 3 GRPC response: {"capabilities":[{"Type":{"Rpc":{"type":1}}},{"Type":{"Rpc":{"type":2}}},{"Type":{"Rpc":{"type":3}}},{"Type":{"Rpc":{"type":5}}}]} I0416 03:49:36.015330 53578 utils.go:198] ID: 4 GRPC call: /csi.v1.Node/NodeGetCapabilities I0416 03:49:36.015366 53578 utils.go:199] ID: 4 GRPC request: {} I0416 03:49:36.015931 53578 utils.go:205] ID: 4 GRPC response: {"capabilities":[{"Type":{"Rpc":{"type":1}}},{"Type":{"Rpc":{"type":2}}},{"Type":{"Rpc":{"type":3}}},{"Type":{"Rpc":{"type":5}}}]} I0416 03:49:36.017078 53578 utils.go:198] ID: 5 GRPC call: /csi.v1.Node/NodeGetCapabilities I0416 03:49:36.017099 53578 utils.go:199] ID: 5 GRPC request: {} I0416 03:49:36.017166 53578 utils.go:205] ID: 5 GRPC response: {"capabilities":[{"Type":{"Rpc":{"type":1}}},{"Type":{"Rpc":{"type":2}}},{"Type":{"Rpc":{"type":3}}},{"Type":{"Rpc":{"type":5}}}]} I0416 03:49:36.020619 53578 utils.go:198] ID: 6 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-c46667d7-255d-43c9-9211-f50e2aa7b3dd GRPC call: /csi.v1.Node/NodeStageVolume I0416 03:49:36.020859 53578 utils.go:199] ID: 6 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-c46667d7-255d-43c9-9211-f50e2aa7b3dd GRPC request: {"secrets":"***stripped***","staging_target_path":"/var/lib/kubelet/plugins/kubernetes.io/csi/rbd.csi.ceph.com/346a6515683e1cc0b09bbd3f15869163cc235c65c3d693bc15282e232a1defba/globalmount","volume_capability":{"AccessType":{"Mount":{"fs_type":"ext4","mount_flags":["discard"]}},"access_mode":{"mode":7}},"volume_context":{"clusterID":"4837cbf8-4f90-4300-b3f6-726c9b9f89b4","imageFeatures":"layering","imageName":"csi-vol-c46667d7-255d-43c9-9211-f50e2aa7b3dd","journalPool":"kube","pool":"kube","storage.kubernetes.io/csiProvisionerIdentity":"1776311358083-3491-rbd.csi.ceph.com"},"volume_id":"0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-c46667d7-255d-43c9-9211-f50e2aa7b3dd"} I0416 03:49:36.037113 53578 omap.go:89] ID: 6 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-c46667d7-255d-43c9-9211-f50e2aa7b3dd got omap values: (pool="kube", namespace="", name="csi.volume.c46667d7-255d-43c9-9211-f50e2aa7b3dd"): map[csi.imageid:37b3b9102178 csi.imagename:csi-vol-c46667d7-255d-43c9-9211-f50e2aa7b3dd csi.volname:pvc-ca6f8106-3a85-4c5e-b48d-be607c0393d7 csi.volume.owner:default] I0416 03:49:36.095784 53578 rbd_util.go:352] ID: 6 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-c46667d7-255d-43c9-9211-f50e2aa7b3dd checking for ImageFeatures: [layering] I0416 03:49:36.128617 53578 cephcmds.go:105] ID: 6 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-c46667d7-255d-43c9-9211-f50e2aa7b3dd command succeeded: rbd [device list --format=json --device-type krbd] I0416 03:49:36.171900 53578 rbd_attach.go:437] ID: 6 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-c46667d7-255d-43c9-9211-f50e2aa7b3dd rbd: map mon 199.204.45.77 I0416 03:49:36.258388 53578 cephcmds.go:105] ID: 6 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-c46667d7-255d-43c9-9211-f50e2aa7b3dd command succeeded: rbd [--id kube -m 199.204.45.77 --keyfile=***stripped*** map kube/csi-vol-c46667d7-255d-43c9-9211-f50e2aa7b3dd --device-type krbd --options noudev] I0416 03:49:36.258453 53578 nodeserver.go:422] ID: 6 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-c46667d7-255d-43c9-9211-f50e2aa7b3dd rbd image: kube/csi-vol-c46667d7-255d-43c9-9211-f50e2aa7b3dd was successfully mapped at /dev/rbd0 I0416 03:49:36.258599 53578 mount_linux.go:577] Attempting to determine if disk "/dev/rbd0" is formatted using blkid with args: ([-p -s TYPE -s PTTYPE -o export /dev/rbd0]) I0416 03:49:36.269506 53578 mount_linux.go:580] Output: "" I0416 03:49:36.442827 53578 mount_linux.go:577] Attempting to determine if disk "/dev/rbd0" is formatted using blkid with args: ([-p -s TYPE -s PTTYPE -o export /dev/rbd0]) I0416 03:49:36.456381 53578 mount_linux.go:580] Output: "DEVNAME=/dev/rbd0\nTYPE=ext4\n" I0416 03:49:36.456411 53578 mount_linux.go:439] Checking for issues with fsck on disk: /dev/rbd0 I0416 03:49:36.497084 53578 mount_linux.go:544] Attempting to mount disk /dev/rbd0 in ext4 format at /var/lib/kubelet/plugins/kubernetes.io/csi/rbd.csi.ceph.com/346a6515683e1cc0b09bbd3f15869163cc235c65c3d693bc15282e232a1defba/globalmount/0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-c46667d7-255d-43c9-9211-f50e2aa7b3dd I0416 03:49:36.497126 53578 mount_linux.go:218] Mounting cmd (mount) with arguments (-t ext4 -o _netdev,discard,defaults /dev/rbd0 /var/lib/kubelet/plugins/kubernetes.io/csi/rbd.csi.ceph.com/346a6515683e1cc0b09bbd3f15869163cc235c65c3d693bc15282e232a1defba/globalmount/0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-c46667d7-255d-43c9-9211-f50e2aa7b3dd) I0416 03:49:36.514170 53578 mount_linux.go:577] Attempting to determine if disk "/dev/rbd0" is formatted using blkid with args: ([-p -s TYPE -s PTTYPE -o export /dev/rbd0]) I0416 03:49:36.523744 53578 mount_linux.go:580] Output: "DEVNAME=/dev/rbd0\nTYPE=ext4\n" I0416 03:49:36.523774 53578 resizefs_linux.go:137] ResizeFs.needResize - checking mounted volume /dev/rbd0 I0416 03:49:36.526920 53578 resizefs_linux.go:141] Ext size: filesystem size=5368709120, block size=4096 I0416 03:49:36.526940 53578 resizefs_linux.go:156] Volume /dev/rbd0: device size=5368709120, filesystem size=5368709120, block size=4096 I0416 03:49:36.526966 53578 nodeserver.go:382] ID: 6 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-c46667d7-255d-43c9-9211-f50e2aa7b3dd rbd: successfully mounted volume 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-c46667d7-255d-43c9-9211-f50e2aa7b3dd to stagingTargetPath /var/lib/kubelet/plugins/kubernetes.io/csi/rbd.csi.ceph.com/346a6515683e1cc0b09bbd3f15869163cc235c65c3d693bc15282e232a1defba/globalmount/0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-c46667d7-255d-43c9-9211-f50e2aa7b3dd I0416 03:49:36.527206 53578 utils.go:205] ID: 6 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-c46667d7-255d-43c9-9211-f50e2aa7b3dd GRPC response: {} I0416 03:49:36.528812 53578 utils.go:198] ID: 7 GRPC call: /csi.v1.Node/NodeGetCapabilities I0416 03:49:36.528842 53578 utils.go:199] ID: 7 GRPC request: {} I0416 03:49:36.528951 53578 utils.go:205] ID: 7 GRPC response: {"capabilities":[{"Type":{"Rpc":{"type":1}}},{"Type":{"Rpc":{"type":2}}},{"Type":{"Rpc":{"type":3}}},{"Type":{"Rpc":{"type":5}}}]} I0416 03:49:36.532941 53578 utils.go:198] ID: 8 GRPC call: /csi.v1.Node/NodeGetCapabilities I0416 03:49:36.532971 53578 utils.go:199] ID: 8 GRPC request: {} I0416 03:49:36.533114 53578 utils.go:205] ID: 8 GRPC response: {"capabilities":[{"Type":{"Rpc":{"type":1}}},{"Type":{"Rpc":{"type":2}}},{"Type":{"Rpc":{"type":3}}},{"Type":{"Rpc":{"type":5}}}]} I0416 03:49:36.534234 53578 utils.go:198] ID: 9 GRPC call: /csi.v1.Node/NodeGetCapabilities I0416 03:49:36.534261 53578 utils.go:199] ID: 9 GRPC request: {} I0416 03:49:36.534410 53578 utils.go:205] ID: 9 GRPC response: {"capabilities":[{"Type":{"Rpc":{"type":1}}},{"Type":{"Rpc":{"type":2}}},{"Type":{"Rpc":{"type":3}}},{"Type":{"Rpc":{"type":5}}}]} I0416 03:49:36.535554 53578 utils.go:198] ID: 10 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-c46667d7-255d-43c9-9211-f50e2aa7b3dd GRPC call: /csi.v1.Node/NodePublishVolume I0416 03:49:36.535785 53578 utils.go:199] ID: 10 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-c46667d7-255d-43c9-9211-f50e2aa7b3dd GRPC request: {"staging_target_path":"/var/lib/kubelet/plugins/kubernetes.io/csi/rbd.csi.ceph.com/346a6515683e1cc0b09bbd3f15869163cc235c65c3d693bc15282e232a1defba/globalmount","target_path":"/var/lib/kubelet/pods/711f2840-9080-4861-a41f-7b5d3b890f43/volumes/kubernetes.io~csi/pvc-ca6f8106-3a85-4c5e-b48d-be607c0393d7/mount","volume_capability":{"AccessType":{"Mount":{"fs_type":"ext4","mount_flags":["discard"]}},"access_mode":{"mode":7}},"volume_context":{"clusterID":"4837cbf8-4f90-4300-b3f6-726c9b9f89b4","imageFeatures":"layering","imageName":"csi-vol-c46667d7-255d-43c9-9211-f50e2aa7b3dd","journalPool":"kube","pool":"kube","storage.kubernetes.io/csiProvisionerIdentity":"1776311358083-3491-rbd.csi.ceph.com"},"volume_id":"0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-c46667d7-255d-43c9-9211-f50e2aa7b3dd"} I0416 03:49:36.535912 53578 nodeserver.go:859] ID: 10 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-c46667d7-255d-43c9-9211-f50e2aa7b3dd target /var/lib/kubelet/pods/711f2840-9080-4861-a41f-7b5d3b890f43/volumes/kubernetes.io~csi/pvc-ca6f8106-3a85-4c5e-b48d-be607c0393d7/mount isBlock false fstype ext4 stagingPath /var/lib/kubelet/plugins/kubernetes.io/csi/rbd.csi.ceph.com/346a6515683e1cc0b09bbd3f15869163cc235c65c3d693bc15282e232a1defba/globalmount/0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-c46667d7-255d-43c9-9211-f50e2aa7b3dd readonly false mountflags [bind _netdev discard] I0416 03:49:36.535957 53578 mount_linux.go:218] Mounting cmd (mount) with arguments (-t ext4 -o bind,_netdev /var/lib/kubelet/plugins/kubernetes.io/csi/rbd.csi.ceph.com/346a6515683e1cc0b09bbd3f15869163cc235c65c3d693bc15282e232a1defba/globalmount/0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-c46667d7-255d-43c9-9211-f50e2aa7b3dd /var/lib/kubelet/pods/711f2840-9080-4861-a41f-7b5d3b890f43/volumes/kubernetes.io~csi/pvc-ca6f8106-3a85-4c5e-b48d-be607c0393d7/mount) I0416 03:49:36.541674 53578 mount_linux.go:218] Mounting cmd (mount) with arguments (-t ext4 -o bind,remount,_netdev,discard /var/lib/kubelet/plugins/kubernetes.io/csi/rbd.csi.ceph.com/346a6515683e1cc0b09bbd3f15869163cc235c65c3d693bc15282e232a1defba/globalmount/0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-c46667d7-255d-43c9-9211-f50e2aa7b3dd /var/lib/kubelet/pods/711f2840-9080-4861-a41f-7b5d3b890f43/volumes/kubernetes.io~csi/pvc-ca6f8106-3a85-4c5e-b48d-be607c0393d7/mount) I0416 03:49:36.543935 53578 nodeserver.go:742] ID: 10 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-c46667d7-255d-43c9-9211-f50e2aa7b3dd rbd: successfully mounted stagingPath /var/lib/kubelet/plugins/kubernetes.io/csi/rbd.csi.ceph.com/346a6515683e1cc0b09bbd3f15869163cc235c65c3d693bc15282e232a1defba/globalmount/0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-c46667d7-255d-43c9-9211-f50e2aa7b3dd to targetPath /var/lib/kubelet/pods/711f2840-9080-4861-a41f-7b5d3b890f43/volumes/kubernetes.io~csi/pvc-ca6f8106-3a85-4c5e-b48d-be607c0393d7/mount I0416 03:49:36.544065 53578 utils.go:205] ID: 10 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-c46667d7-255d-43c9-9211-f50e2aa7b3dd GRPC response: {} I0416 03:49:59.613065 53578 utils.go:198] ID: 11 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-c46667d7-255d-43c9-9211-f50e2aa7b3dd GRPC call: /csi.v1.Node/NodeUnpublishVolume I0416 03:49:59.613501 53578 utils.go:199] ID: 11 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-c46667d7-255d-43c9-9211-f50e2aa7b3dd GRPC request: {"target_path":"/var/lib/kubelet/pods/711f2840-9080-4861-a41f-7b5d3b890f43/volumes/kubernetes.io~csi/pvc-ca6f8106-3a85-4c5e-b48d-be607c0393d7/mount","volume_id":"0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-c46667d7-255d-43c9-9211-f50e2aa7b3dd"} I0416 03:49:59.613634 53578 mount_linux.go:360] Unmounting /var/lib/kubelet/pods/711f2840-9080-4861-a41f-7b5d3b890f43/volumes/kubernetes.io~csi/pvc-ca6f8106-3a85-4c5e-b48d-be607c0393d7/mount I0416 03:49:59.617861 53578 nodeserver.go:945] ID: 11 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-c46667d7-255d-43c9-9211-f50e2aa7b3dd rbd: successfully unbound volume 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-c46667d7-255d-43c9-9211-f50e2aa7b3dd from /var/lib/kubelet/pods/711f2840-9080-4861-a41f-7b5d3b890f43/volumes/kubernetes.io~csi/pvc-ca6f8106-3a85-4c5e-b48d-be607c0393d7/mount I0416 03:49:59.617932 53578 utils.go:205] ID: 11 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-c46667d7-255d-43c9-9211-f50e2aa7b3dd GRPC response: {} I0416 03:49:59.716912 53578 utils.go:198] ID: 12 GRPC call: /csi.v1.Node/NodeGetCapabilities I0416 03:49:59.716946 53578 utils.go:199] ID: 12 GRPC request: {} I0416 03:49:59.717280 53578 utils.go:205] ID: 12 GRPC response: {"capabilities":[{"Type":{"Rpc":{"type":1}}},{"Type":{"Rpc":{"type":2}}},{"Type":{"Rpc":{"type":3}}},{"Type":{"Rpc":{"type":5}}}]} I0416 03:49:59.718842 53578 utils.go:198] ID: 13 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-c46667d7-255d-43c9-9211-f50e2aa7b3dd GRPC call: /csi.v1.Node/NodeUnstageVolume I0416 03:49:59.719153 53578 utils.go:199] ID: 13 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-c46667d7-255d-43c9-9211-f50e2aa7b3dd GRPC request: {"staging_target_path":"/var/lib/kubelet/plugins/kubernetes.io/csi/rbd.csi.ceph.com/346a6515683e1cc0b09bbd3f15869163cc235c65c3d693bc15282e232a1defba/globalmount","volume_id":"0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-c46667d7-255d-43c9-9211-f50e2aa7b3dd"} I0416 03:49:59.719410 53578 mount_linux.go:360] Unmounting /var/lib/kubelet/plugins/kubernetes.io/csi/rbd.csi.ceph.com/346a6515683e1cc0b09bbd3f15869163cc235c65c3d693bc15282e232a1defba/globalmount/0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-c46667d7-255d-43c9-9211-f50e2aa7b3dd I0416 03:50:00.898151 53578 nodeserver.go:1001] ID: 13 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-c46667d7-255d-43c9-9211-f50e2aa7b3dd successfully unmounted volume (0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-c46667d7-255d-43c9-9211-f50e2aa7b3dd) from staging path (/var/lib/kubelet/plugins/kubernetes.io/csi/rbd.csi.ceph.com/346a6515683e1cc0b09bbd3f15869163cc235c65c3d693bc15282e232a1defba/globalmount/0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-c46667d7-255d-43c9-9211-f50e2aa7b3dd) I0416 03:50:00.986149 53578 cephcmds.go:105] ID: 13 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-c46667d7-255d-43c9-9211-f50e2aa7b3dd command succeeded: rbd [unmap kube/csi-vol-c46667d7-255d-43c9-9211-f50e2aa7b3dd --device-type krbd --options noudev] I0416 03:50:00.986206 53578 nodeserver.go:1059] ID: 13 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-c46667d7-255d-43c9-9211-f50e2aa7b3dd successfully unmapped volume (0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-c46667d7-255d-43c9-9211-f50e2aa7b3dd) I0416 03:50:00.986373 53578 utils.go:205] ID: 13 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-c46667d7-255d-43c9-9211-f50e2aa7b3dd GRPC response: {} I0416 03:50:16.779833 53578 utils.go:198] ID: 14 GRPC call: /csi.v1.Identity/Probe I0416 03:50:16.779934 53578 utils.go:199] ID: 14 GRPC request: {} I0416 03:50:16.780006 53578 utils.go:205] ID: 14 GRPC response: {}