linux-kernel - Re: BUG and Oops while trying to issue a discard to LVM on RAID1 md

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Date:   Wed, 5 Oct 2016 16:04:09 +0100
From:   Sitsofe Wheeler <sitsofe@...il.com>
To:     Jim Gill <jgill@...are.com>
Cc:     VMware PV-Drivers <pv-drivers@...are.com>,
        "James E.J. Bottomley" <jejb@...ux.vnet.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        "linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: BUG and Oops while trying to issue a discard to LVM on RAID1 md

On 4 October 2016 at 07:20, Sitsofe Wheeler <sitsofe@...il.com> wrote:
> On 4 October 2016 at 07:17, Sitsofe Wheeler <sitsofe@...il.com> wrote:
>> While trying to do a discard inside an ESXi 6 VM to an LVM device atop
>> an md RAID1 device composed of two SATA SSDs passed up as a raw disk
>> mappings through a PVSCSI controller, this BUG followed by an Oops was
>> hit:
>>
>> [   86.902888] ------------[ cut here ]------------
>> [   86.904600] kernel BUG at arch/x86/kernel/pci-nommu.c:66!

On a 4.8.0 kernel the problem seems to have shifted a bit:


-- 
Sitsofe | http://sucs.org/~sits/