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  • problems with the usb stack and Fantec usb 3.2 enclosures

    From Jean-François Bachelet@3:633/10 to All on Saturday, February 14, 2026 11:50:01
    Hello folks ^^)


    There is a small problem that bug me since I've added a Fantec usb3.2 enclosure to my setup,

    reading disks from it is fine, BUT, writing to any of the 4 disks in it
    cause problems.


    The writes are put on hold many times˙ at random moments... the main
    cause being that the disk written to suddenly 'unmount' itself, letting
    the write process in disarray. and me annoyed.


    What are the components (appart the usb storage driver) that can be
    involved in this bug and what useful infos/log parts should I provide to report this bug efficiently ?


    Thanks by advance for the answers :)

    Jeff

    --- PyGate Linux v1.5.11
    * Origin: Dragon's Lair, PyGate NNTP<>Fido Gate (3:633/10)
  • From Charles Curley@3:633/10 to All on Saturday, February 14, 2026 15:20:01
    On Sat, 14 Feb 2026 11:41:53 +0100
    Jean-Fran‡ois Bachelet <jfbachelet@free.fr> wrote:

    The writes are put on hold many times˙ at random moments... the main

    cause being that the disk written to suddenly 'unmount' itself,
    letting the write process in disarray. and me annoyed.


    What are the components (appart the usb storage driver) that can be
    involved in this bug and what useful infos/log parts should I provide
    to report this bug efficiently ?

    Are you sure it's a bug and not a hardware problem? Have you tried
    swapping components such as cables, hard drives, etc, out to see if
    that solves the problem?

    --
    Does anybody read signatures any more?

    https://charlescurley.com
    https://charlescurley.com/blog/

    --- PyGate Linux v1.5.11
    * Origin: Dragon's Lair, PyGate NNTP<>Fido Gate (3:633/10)
  • From Davidson@3:633/10 to All on Saturday, February 14, 2026 20:10:01
    On Sat, 14 Feb 2026, Jean-Fran\ufffdois Bachelet wrote:
    Hello folks ^^)

    There is a small problem that bug me since I've added a Fantec
    usb3.2 enclosure to my setup,

    reading disks from it is fine, BUT, writing to any of the 4 disks in
    it cause problems.

    The writes are put on hold many times\ufffd at random moments... the main cause being that the disk written to suddenly 'unmount' itself,
    letting the write process in disarray. and me annoyed.
    Your description reminds me of a recent thread I saw on another
    listserv, which began with this post:
    freebsd-questions "Not that SATA to USB controller question again"
    https://lists.freebsd.org/archives/freebsd-questions/2026-February/007453.html
    If it is irrelevant to your concern, forgive my ignorance.
    What are the components (appart the usb storage driver) that can be
    involved in this bug and what useful infos/log parts should I
    provide to report this bug efficiently ?


    Thanks by advance for the answers :)

    Jeff


    --- PyGate Linux v1.5.11
    * Origin: Dragon's Lair, PyGate NNTP<>Fido Gate (3:633/10)
  • From Jean-François Bachelet@3:633/10 to All on Sunday, February 15, 2026 08:00:01
    Hello Davidson :)

    Le 14/02/2026 … 20:02, Davidson a ‚crit˙:
    On Sat, 14 Feb 2026, Jean-Fran‡ois Bachelet wrote:

    Hello folks ^^)

    There is a small problem that bug me since I've added a Fantec
    usb3.2 enclosure to my setup,

    reading disks from it is fine, BUT, writing to any of the 4 disks in
    it cause problems.

    The writes are put on hold many times˙ at random moments... the main
    cause being that the disk written to suddenly 'unmount' itself,
    letting the write process in disarray. and me annoyed.

    Your description reminds me of a recent thread I saw on another
    listserv, which began with this post:

    ˙freebsd-questions "Not that SATA to USB controller question again"
    ˙https://lists.freebsd.org/archives/freebsd-questions/2026-February/007453.html


    If it is irrelevant to your concern, forgive my ignorance.

    Thanks, I wasn't aware of this post :)


    BTW, my problem seems different, as the 4 disks in the enclosure never
    goes to 'sleep mode', it are always on spinning.

    it's only when writing to it for some variable amount of time that the
    problem arrise,˙ and when writing to a disk, it should never 'unmount' itself... but it does, each time, multiple times at variable moments of
    the writing...


    so, if the maintainer of the usb stack is reading this list, please tell
    me what you need in term of report to correct that problem.


    note,˙I have other single drive enclosures from Orico that put the disks
    in sleep mode when it are NOT used for some times, helping it to not
    suck power and keep cool when iddle, but I never had a single problems
    with them as the disks remain mounted and respond promptly when asked
    for read or write again. (btw, Orico multiple disks enclosures are way
    pricer than the Fantec in question, so my choice of this one... and my
    regrets to have done so...)

    Thanks by advance :)

    Jeff


    What are the components (appart the usb storage driver) that can be
    involved in this bug and what useful infos/log parts should I
    provide to report this bug efficiently ?


    Thanks by advance for the answers :)

    Jeff

    --- PyGate Linux v1.5.11
    * Origin: Dragon's Lair, PyGate NNTP<>Fido Gate (3:633/10)