From: Sachin Sant <sachinp@linux.vnet.ibm.com>
To: Tyrel Datwyler <tyreld@linux.vnet.ibm.com>
Cc: linuxppc-dev@ozlabs.org,
"nfont >> Nathan Fontenot" <nfont@linux.vnet.ibm.com>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: WARN @lib/refcount.c:128 during hot unplug of I/O adapter.
Date: Fri, 7 Apr 2017 10:08:23 +0530 [thread overview]
Message-ID: <D5BDC786-03CF-423C-AFD6-2F8679F465C8@linux.vnet.ibm.com> (raw)
In-Reply-To: <a7a782f2-3783-fd96-eda9-1c7634b2a2e5@linux.vnet.ibm.com>
> On 07-Apr-2017, at 2:14 AM, Tyrel Datwyler <tyreld@linux.vnet.ibm.com> =
wrote:
>=20
> On 04/06/2017 03:27 AM, Sachin Sant wrote:
>> On a POWER8 LPAR running 4.11.0-rc5, a hot unplug operation on
>> any I/O adapter results in the following warning
>=20
> I remember you mentioning this when the issue was brought up for CPUs. =
I
> assume the case is the same here where the issue is only seen with
> adapters that were hot-added after boot (ie. hot-remove of adapter
> present at boot doesn't trip the warning)?
>=20
Correct, can be recreated only with adapters that were hot-added after =
boot.
> -Tyrel
>=20
>>=20
>> Thanks
>> -Sachin
>>=20
>>=20
>=20
prev parent reply other threads:[~2017-04-07 4:38 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-06 10:27 WARN @lib/refcount.c:128 during hot unplug of I/O adapter Sachin Sant
2017-04-06 20:44 ` Tyrel Datwyler
2017-04-07 4:04 ` Michael Ellerman
2017-04-10 17:53 ` Tyrel Datwyler
2017-04-11 9:00 ` Michael Ellerman
2017-04-11 17:14 ` Tyrel Datwyler
2017-04-12 2:10 ` Michael Ellerman
2017-04-12 19:41 ` Tyrel Datwyler
2017-04-07 4:38 ` Sachin Sant [this message]
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