Your message dated Mon, 18 Apr 2022 21:50:02 +0200
with message-id <c3211349b399726d08f25549002a553317f14d93.ca...@decadent.org.uk>
and subject line Re: Bug#1009793: linux-source 5.10.106-1 changes block device
order
has caused the Debian Bug report #1009793,
regarding linux-source 5.10.106-1 changes block device order
to be marked as done.
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If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
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1009793: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1009793
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--- Begin Message ---
Package: src:linux
Version: 5.10.106-1
Between 5.10.103-1 and 5.10.106-1 (image -13) something changed which
reliably causes what used to show as /dev/sda to show as /dev/sdb. Other
block devices plugged into the SCSI subsystem may have swapped around,
but I've yet to untangle the others.
A few utilities are still sensitive to block device order and this
causes issues for those. Nothing on the hardware explains this. The
controller thinks the device has a lower number, the device should
respond much faster.
The lowest level is the cciss driver.
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--- Begin Message ---
On Sun, 2022-04-17 at 14:35 -0700, Elliott Mitchell wrote:
> Package: src:linux
> Version: 5.10.106-1
>
> Between 5.10.103-1 and 5.10.106-1 (image -13) something changed which
> reliably causes what used to show as /dev/sda to show as /dev/sdb. Other
> block devices plugged into the SCSI subsystem may have swapped around,
> but I've yet to untangle the others.
>
> A few utilities are still sensitive to block device order and this
> causes issues for those. Nothing on the hardware explains this. The
> controller thinks the device has a lower number, the device should
> respond much faster.
>
> The lowest level is the cciss driver.
I don't see any changes to SCSI or block drivers between these versions
that would explain this. However, the kernel names of block devices
have generally not been stable for a long time and you should not
expect them to be completely stable.
When you need to refer to a specific controller port you can use one of
the links under /dev/disk/by-path.
Ben.
--
Ben Hutchings
To err is human; to really foul things up requires a computer.
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