cserem
cserem
/ gist:29d9758955c301ffef9e3fea409ecb82
Created
May 29, 2021 08:57
ZFS on Linux null pointer dereference #11679 notes1
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| source 1: | |
| NAME PROPERTY VALUE SOURCE | |
| rpool/ROOT/pve-1 type filesystem - | |
| rpool/ROOT/pve-1 creation Mon Feb 13 17:17 2017 - | |
| rpool/ROOT/pve-1 used 7.81G - | |
| rpool/ROOT/pve-1 available 2.93T - | |
| rpool/ROOT/pve-1 referenced 6.91G - | |
| rpool/ROOT/pve-1 compressratio 1.34x - | |
| rpool/ROOT/pve-1 mounted yes - | |
| rpool/ROOT/pve-1 quota none default |
cserem
/ arc_prune_stacks.lst
Last active
November 26, 2016 09:39
/proc/spl/kstat/zfs/arcstats, and function traces while arc_prune is running on 100%
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| # arc_prune kernel stack distinct traces for 10 seconds | |
| for i in `seq 1 100`; do stack=`cat /proc/353/stack`; if [ "$stack" != "[<ffffffffffffffff>] 0xffffffffffffffff" ]; then echo -e "---------\n$stack"; fi; sleep 0.1; done > /tmp/arc_prune_stacks.lst | |
| --------- | |
| [<ffffffffc00cf60a>] __dbuf_hold_impl+0xba/0x4e0 [zfs] | |
| [<ffffffffc00cfaa3>] dbuf_hold_impl+0x73/0xa0 [zfs] | |
| [<ffffffffc00cfda0>] dbuf_hold+0x20/0x30 [zfs] | |
| [<ffffffffc00e84d1>] dnode_hold_impl+0x91/0x530 [zfs] | |
| [<ffffffffc00e8989>] dnode_hold+0x19/0x20 [zfs] | |
| [<ffffffffc00d6a57>] dmu_bonus_hold+0x27/0x270 [zfs] |