- printk(KERN_WARNING "nf_conntrack: falling back to vmalloc.\n"); + if (!hash) hash = vzalloc(sz); - } if (hash && nulls) for (i = 0; i < nr_slots; i++) Diagnostic Steps kernel: nf_conntrack: falling back to vmalloc" messages in /var/log/messages file: Raw $ grep 'k...
kernel: nf_conntrack: falling back to vmalloc. ~~~ Resolution vm.min_free_kbytessysctl の値を増やします。 このチューナブルの現在の値は、次のように表示できます。 Raw $ cat /proc/sys/vm/min_free_kbytes 67584 そして、以下のような設定で 2 倍にします。
Linux OS - Version Oracle Linux 7.0 and later: Oracle Linux: Error Messages Seen in /var/log/messages - "kernel: nf_conntrack: falling back to vmalloc"
/var/log/kern.log:Jul 12 15:26:07 tor-relay kernel: [538360.650615] nf_conntrack: falling back to vmalloc. /var/log/kern.log:Jul 12 15:26:08 tor-relay kernel: [538361.673649] nf_conntrack: falling back to vmalloc. /var/log/kern.log:Jul 12 15:26:08 tor-relay kernel: [538361.673786...
hash) { *vmalloced = 1; printk(KERN_WARNING "nf_conntrack: falling back to vmalloc.\n"); hash = __vmalloc(sz, GFP_KERNEL | __GFP_ZERO, PAGE_KERNEL); } if (hash && nulls) for (i = 0; i < nr_slots; i++) INIT_HLIST_NULLS_HEAD(&hash[i], i); return ...