Re: Regression v6.11 booting cannot mount harddisks (xfs)

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On 9/10/24 1:19 PM, Jesper Dangaard Brouer wrote:
> 
> 
> On 10/09/2024 20.38, Jens Axboe wrote:
>> On 9/10/24 11:53 AM, Jesper Dangaard Brouer wrote:
>>> Hi Hellwig,
>>>
>>> I bisected my boot problem down to this commit:
>>>
>>> $ git bisect good
>>> af2814149883e2c1851866ea2afcd8eadc040f79 is the first bad commit
>>> commit af2814149883e2c1851866ea2afcd8eadc040f79
>>> Author: Christoph Hellwig <hch@xxxxxx>
>>> Date:   Mon Jun 17 08:04:38 2024 +0200
>>>
>>>      block: freeze the queue in queue_attr_store
>>>
>>>      queue_attr_store updates attributes used to control generating I/O, and
>>>      can cause malformed bios if changed with I/O in flight.  Freeze the queue
>>>      in common code instead of adding it to almost every attribute.
>>>
>>>      Signed-off-by: Christoph Hellwig <hch@xxxxxx>
>>>      Reviewed-by: Bart Van Assche <bvanassche@xxxxxxx>
>>>      Reviewed-by: Damien Le Moal <dlemoal@xxxxxxxxxx>
>>>      Reviewed-by: Hannes Reinecke <hare@xxxxxxx>
>>>      Reviewed-by: Chaitanya Kulkarni <kch@xxxxxxxxxx>
>>>      Link: https://lore.kernel.org/r/20240617060532.127975-12-hch@xxxxxx
>>>      Signed-off-by: Jens Axboe <axboe@xxxxxxxxx>
>>>
>>>   block/blk-mq.c    | 5 +++--
>>>   block/blk-sysfs.c | 9 ++-------
>>>   2 files changed, 5 insertions(+), 9 deletions(-)
>>>
>>> git describe --contains af2814149883e2c1851866ea2afcd8eadc040f79
>>> v6.11-rc1~80^2~66^2~15
>>
>> Curious, does your init scripts attempt to load a modular scheduler
>> for your root drive?
> 
> I have no idea, this is just a standard Fedora 40.
> 
>>
>> Reference: https://git.kernel.dk/cgit/linux/commit/?h=for-6.12/block&id=3c031b721c0ee1d6237719a6a9d7487ef757487b
> 
> The commit doesn't apply cleanly on top of af2814149883e2c185.
> 
> $ patch --dry-run -p1 < ../block-jens/block-jens-bootfix.patch
> checking file block/blk-sysfs.c
> Hunk #1 FAILED at 23.
> Hunk #2 succeeded at 469 (offset 56 lines).
> Hunk #3 succeeded at 484 (offset 56 lines).
> Hunk #4 succeeded at 723 with fuzz 1 (offset 45 lines).
> 1 out of 4 hunks FAILED
> checking file block/elevator.c
> Hunk #1 FAILED at 698.
> 1 out of 1 hunk FAILED
> checking file block/elevator.h
> Hunk #1 FAILED at 148.
> 1 out of 1 hunk FAILED
> 
> I will try to apply and adjust manually.

Just apply it on top of current -git, doesn't have to be your bisection
point.

-- 
Jens Axboe




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