Additional I've also tested latest hwe kernel (4.13.0-37-generic) and build-in driver, the same problem here:
[ 1011.070739] kvm [16361]: vcpu0, guest rIP: 0xffffffff810644d8 disabled perfctr wrmsr: 0xc2 data 0xffff [ 1011.528347] cache_from_obj: Wrong slab cache. kmalloc-256 but object is from kmalloc-192 [ 1011.927642] general protection fault: 0000 [#1] SMP PTI [ 1012.185439] cache_from_obj: Wrong slab cache. kmalloc-256 but object is from kmalloc-192
driver version:
# ethtool -i eno1 driver: mlx4_en version: 4.0-0 firmware-version: 2.42.5004 expansion-rom-version: bus-info: 0000:11:00.0 supports-statistics: yes supports-test: yes supports-eeprom-access: no supports-register-dump: no supports-priv-flags: yes
Additional I've also tested latest hwe kernel (4.13.0-37-generic) and build-in driver, the same problem here:
[ 1011.070739] kvm [16361]: vcpu0, guest rIP: 0xffffffff810644d8 disabled perfctr wrmsr: 0xc2 data 0xffff
[ 1011.528347] cache_from_obj: Wrong slab cache. kmalloc-256 but object is from kmalloc-192
[ 1011.927642] general protection fault: 0000 [#1] SMP PTI
[ 1012.185439] cache_from_obj: Wrong slab cache. kmalloc-256 but object is from kmalloc-192
driver version:
# ethtool -i eno1 version: 2.42.5004 rom-version: statistics: yes eeprom- access: no register- dump: no priv-flags: yes
driver: mlx4_en
version: 4.0-0
firmware-
expansion-
bus-info: 0000:11:00.0
supports-
supports-test: yes
supports-
supports-
supports-