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From: Oliver Neukum <oneukum@suse.com>
To: djraszit <djraszit@gmail.com>, Michal Pecio <michal.pecio@gmail.com>
Cc: Oliver Neukum <oneukum@suse.com>,
	Alan Stern <stern@rowland.harvard.edu>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	linux-usb@vger.kernel.org, linux-scsi@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [BUG] uas: JMS578 returns reproducibly incorrect data after host reboot
Date: Mon, 12 Oct 2026 11:58:12 +0200	[thread overview]
Message-ID: <3cdb8068-7af2-4754-96f9-5177a09cc3bf@suse.com> (raw)
In-Reply-To: <CAFKhL9dYWLYhkj_687Out_hS3fxORgpCpggag2NwoVYbapyvYg@mail.gmail.com>

On 17.09.26 19:20, djraszit wrote:

> So the current comparison is:
> 
> USB_MSD_PWR_OFF_TIME=1000, bus-powered Genesys:
> -> BAD-data after reboot
> -> invalid alternate GPT
> -> BAD direct-read hash
> 
> USB_MSD_PWR_OFF_TIME=1000, externally powered Genesys:
> -> 5 consecutive reboots GOOD
> 
> USB_MSD_PWR_OFF_TIME=0, VBUS supplied by the Pi:
> -> previously reproducible "Cannot enable" after consecutive reboots
> 
> USB_MSD_PWR_OFF_TIME=0, externally powered Genesys:
> -> several consecutive reboots GOOD

Hi,

if we come back to this , is there anything the kernel can do,
even conceptually speaking?

	Regards
		Oliver


  reply	other threads:[~2026-10-12  9:58 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CAFKhL9eUM91rtywaz_7Mz+4mJH2b2csmOmc3+86ii3a0Ka3Q6g@mail.gmail.com>
2026-09-14  8:00 ` Oliver Neukum
     [not found]   ` <CAFKhL9f6aLZgerw_7bohbQWvzMxSfd-m-LFcuNP1_p1vWkN4=Q@mail.gmail.com>
     [not found]     ` <1320caa3-85b5-47dc-aa2d-56d3b003c6ef@neukum.org>
2026-09-15 17:52       ` djraszit
2026-09-15 21:38         ` Michal Pecio
2026-09-16 17:56           ` djraszit
2026-09-16 18:47             ` Michal Pecio
2026-09-17 10:23               ` Oliver Neukum
2026-09-17 16:02                 ` djraszit
2026-09-17 16:56                   ` Michal Pecio
2026-09-17 17:20                     ` djraszit
2026-10-12  9:58                       ` Oliver Neukum [this message]
2026-09-13 14:39 djraszit

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