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SubjectRe: [WIP PATCHSET 0/4] WIP branch for bfq-mq
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> Il giorno 10 feb 2017, alle ore 17:45, Bart Van Assche <Bart.VanAssche@sandisk.com> ha scritto:
>
> On Tue, 2017-02-07 at 18:24 +0100, Paolo Valente wrote:
>> 2) Enable people to test this first version bfq-mq.
>
> Hello Paolo,
>
> I installed this version of bfq-mq on a server that boots from a SATA
> disk. That server boots fine with kernel v4.10-rc7 but not with this
> tree. The first 30 seconds of the boot process seem to proceed normally
> but after that time the messages on the console stop scrolling and
> about another 30 seconds later the server reboots. I haven't found
> anything useful in the system log. I configured the block layer as
> follows:
>
> $ grep '^C.*_MQ_' .config
> CONFIG_BLK_MQ_PCI=y
> CONFIG_MQ_IOSCHED_BFQ=y
> CONFIG_MQ_IOSCHED_DEADLINE=y
> CONFIG_MQ_IOSCHED_NONE=y
> CONFIG_DEFAULT_MQ_BFQ_MQ=y
> CONFIG_DEFAULT_MQ_IOSCHED="bfq-mq"
> CONFIG_SCSI_MQ_DEFAULT=y
> CONFIG_DM_MQ_DEFAULT=y
>

Could you reconfigure with none or mq-deadline as default, check
whether the system boots, and, it it does, switch manually to bfq-mq,
check what happens, and, in the likely case of a failure, try to get
the oops?

Thank you very much,
Paolo

> Bart.
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