Re: external USB harddrive not recognized when present at boot
>
>
>
>---- Original Message ----
>From: ron.l.johnson@cox.net
>To: debian-user@lists.debian.org
>Subject: Re: external USB harddrive not recognized when present at
>boot
>Date: Thu, 25 Sep 2008 09:02:51 -0500
>
>>On 09/25/08 08:24, Lubos Vrbka wrote:
>>> Ron Johnson wrote:
>>>> On 09/25/08 03:29, Lubos Vrbka wrote:
>>>>> Ron Johnson wrote:
>>>> [snip]
>>>>>
>>>>>> But then, I've got an external Firewire drive, and it's
>recognized
>>>>>> at boot, as are all my thumb drives, so maybe your product
>doesn't
>>>>>> follow some spec well enough, and new kernels are more strict
>than
>>>>>> older kernels.
>>>>> would there be any way how to find you if this is the case?
>>>>
>>>> ????
>>> i meant, seeing/checking somehow in more detail,
>>
>>/var/log/syslog
>>/var/log/boot
>>/var/log/dmesg
>>
>>But you probably knew that...
>>
>>> if the kernel
>really
>>> has this sort of problems. what puzzles me is, that if i re-plug
>the
>>> drive later to the same port, it works without problems.
>>
>>It's probably that the D/port is poorly designed, taking too long to
>
>>initialize, or some such.
>>
>>> i've seen on the web a suggestion to use
>>> echo Y > /sys/module/usbcore/parameters/old_scheme_first
>>> but i don't know how to set this (if it is gonna help) at the very
>
>>> beginning of the boot process (some 4 seconds after the grub gives
>the
>>> control to the kernel according to the timer). is there any kernel
>boot
>>> option to do this?
>>
>>/etc/sysctl.conf
>>
>>--
>>Ron Johnson, Jr.
>>Jefferson LA USA
>>
>>"Do not bite at the bait of pleasure till you know there is no
>>hook beneath it." -- Thomas Jefferson
>>>I also have had problems with multi-port devices, especially
>>>if they were unpowered. Seemed that the unpowered multiports
>>>could not supply the required current to all the connected
>>>devices.
>>>Larry
>>
>>
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