Re: udiskd high CPU usage with 4.0 git
From: Prakash Punnoor
Date: Mon Mar 09 2015 - 11:46:49 EST
On 09.03.2015 00:30, NeilBrown wrote:
> On Sun, 08 Mar 2015 18:14:39 +0100 Prakash Punnoor <prakash@xxxxxxxxxx> wrote:
>> 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:
>> 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 sdb1 sdc1
>> 3907023872 blocks super 1.2 level 5, 512k chunk, algorithm 2 [3/3]
>> unused devices: <none>
>> The array uses systemd automount feature (x-systemd.automount).
>> Please CC me, as I am not subscribed.
> Thanks for the report.
> I can't reproduce this, or see what would cause it.
> Can you please reproduce the problem and then run
> strace -o /tmp/udisks.trace -f -p `pidof udisksd`
> for a few seconds, then interrupt and post the resulting '/tmp/udisks.trace'.
Hi, attached the trace.