linux-kernel - udiskd high CPU usage with 4.0 git

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Message-ID: <54FC837F.8070204@punnoor.de>
Date:	Sun, 08 Mar 2015 18:14:39 +0100
From:	Prakash Punnoor <prakash@...noor.de>
To:	neilb@...e.de, LKML <linux-kernel@...r.kernel.org>
Subject: udiskd high CPU usage with 4.0 git

Hi,

I noticed the udisks daemon (version 2.1.4) suddenly started using high
cpu (one core at 100%) with linux 4.0 git kernel. I bisected it to:

750f199ee8b578062341e6ddfe36c59ac8ff2dcb

And reverting it from current master (at
2cf3afcd4cbe0e32b8722fc291e9255de1b4d6c6) fixes my problem indeed.

I attached dmesg and config from
2cf3afcd4cbe0e32b8722fc291e9255de1b4d6c6 with
750f199ee8b578062341e6ddfe36c59ac8ff2dcb reverted. Any more infos
needed? I am actually using a raid5 array, if that matters:

Personalities : [raid6] [raid5] [raid4]
md127 : active raid5 sdd1[1] sdb1[3] sdc1[0]
      3907023872 blocks super 1.2 level 5, 512k chunk, algorithm 2 [3/3]
[UUU]

unused devices: <none>

The array uses systemd automount feature (x-systemd.automount).

Please CC me, as I am not subscribed.

Regards,

Prakash

Download attachment "config_2cf3afcd4cbe0e32b8722fc291e9255de1b4d6c6.xz" of type "application/x-xz" (15684 bytes)

Download attachment "dmesg_2cf3afcd4cbe0e32b8722fc291e9255de1b4d6c6.xz" of type "application/x-xz" (13944 bytes)