[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: GPF on 0xdead000000000100 in nvme_map_data - Linux 5.9.9
- To: Marek Marczykowski-Górecki <marmarek@xxxxxxxxxxxxxxxxxxxxxx>
- From: Roger Pau Monné <roger.pau@xxxxxxxxxx>
- Date: Sat, 5 Dec 2020 09:28:39 +0100
- Arc-authentication-results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=citrix.com; dmarc=pass action=none header.from=citrix.com; dkim=pass header.d=citrix.com; arc=none
- Arc-message-signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=N9fNEVGfoh0fiailX7qD0wLGaytrgfccSnKl9WE8ni4=; b=bWgHInKvCVxIruWrPqfIrYti3b8dj9kz40Pve1Qlagp6GmsDOpws7XDr51VNfHvMftQ93KdfMMhVEKlxshQ3JC4d+p6mRKQneT4VFA1HSp6zhBP0y9oNsvEJFjKEfcFlHJH/De/4ZlLRXram1wIuVXQufv+DT0jLTRtgwMwXCzpSGVTwY3pvm8iFmIxrYQdk2xkTXy+GNkKedTSKhob7zwhwzcXPjR8wTvvyzQySLV6R7NCCtb+IETJshZgmucfo/WVYzol9MNfkMwf6l8utiAZmu9vDSm8aJwU9ThyQxvBBUJ9OONc8fY0UoUT5BAKK316NfJVEb5W64frljFEUqw==
- Arc-seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=dAorNJtTrtqjtdkZq4+abiINL3eQcFnRaNHliSUIyD0u253/8ViKICtLaV9W6u5ZB6qRne8o31Ouk5pu/XRx1p+yvF0xaUGqDWspHo9bbNnf8TM7+K8Sviu1aNAds9nAfkx5NkkFX4rammP7wHSVvSdfj4X+aF5zjqV1jt9zZ8Ib9HZmdjeD89IRJIJYfYX6nYeZEkGodmpOrxoZ4IEZq9HqBlzYXehu5dJbvO06Y3L5h6txh31mUPebz4a0CBTNp3nax6no03Ob/PJqMVrAB3atmwaHdM/Tl0+QYiwf/w5pfjQ2GleAOr5INO/YAWJEtzd+njVSVY4oh9sHwxx+TA==
- Authentication-results: esa1.hc3370-68.iphmx.com; dkim=pass (signature verified) header.i=@citrix.onmicrosoft.com
- Cc: Christoph Hellwig <hch@xxxxxx>, Juergen Gross <jgross@xxxxxxxx>, xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Keith Busch <kbusch@xxxxxxxxxx>, Jens Axboe <axboe@xxxxxx>, Sagi Grimberg <sagi@xxxxxxxxxxx>, <linux-nvme@xxxxxxxxxxxxxxxxxxx>
- Delivery-date: Sat, 05 Dec 2020 08:28:58 +0000
- Ironport-sdr: eYwh+PWpzrUCxzctJsbE44MZ9g5neO0rDgE1/MapUWDDyJjJcDkADFBY/5UG205Xb4kbVvYDjz I4rgfs3td0I39Gu63LuRMDxRLGC9Fvev2q4sXWTiJRy4z2SesIces7TBxE7RPXc1WYWrwuwrrD Ez2FUj2wHJUiWHXQEKMGiTqHUYVMqEeKzWCM7QCr9KJZZ8SmnY3A8ymZ+UiqVdS5IS5yJhtwJW 6fWQacRIO86MuS6sX/YCH5u6aacbQ5g3Q1HpGlO8o7bkloMdAKYv45pkdL6eicwgmCxTTsnx/n UAU=
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On Fri, Dec 04, 2020 at 01:20:54PM +0100, Marek Marczykowski-Górecki wrote:
> On Fri, Dec 04, 2020 at 01:08:03PM +0100, Christoph Hellwig wrote:
> > On Fri, Dec 04, 2020 at 12:08:47PM +0100, Marek Marczykowski-Górecki wrote:
> > > culprit:
> > >
> > > commit 9e2369c06c8a181478039258a4598c1ddd2cadfa
> > > Author: Roger Pau Monne <roger.pau@xxxxxxxxxx>
> > > Date: Tue Sep 1 10:33:26 2020 +0200
> > >
> > > xen: add helpers to allocate unpopulated memory
> > >
> > > I'm adding relevant people and xen-devel to the thread.
> > > For completeness, here is the original crash message:
> >
> > That commit definitively adds a new ZONE_DEVICE user, so it does look
> > related. But you are not running on Xen, are you?
>
> I am. It is Xen dom0.
I'm afraid I'm on leave and won't be able to look into this until the
beginning of January. I would guess it's some kind of bad
interaction between blkback and NVMe drivers both using ZONE_DEVICE?
Maybe the best is to revert this change and I will look into it when
I get back, unless someone is willing to debug this further.
Thanks, Roger.
|
