linux-kernel - Re: USB Attached SCSI breakage due no udev involvement

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Date:   Sun, 10 May 2020 08:54:16 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Dio Putra <dioput12@...il.com>
Cc:     oneukum@...e.com, linux-usb@...r.kernel.org,
        linux-scsi@...r.kernel.org, usb-storage@...ts.one-eyed-alien.net,
        stern@...land.harvard.edu, linux-kernel@...r.kernel.org
Subject: Re: USB Attached SCSI breakage due no udev involvement

On Sun, May 10, 2020 at 01:48:24PM +0700, Dio Putra wrote:
> On 5/10/20 12:47 PM, Greg KH wrote:
> > On Sun, May 10, 2020 at 09:55:57AM +0700, Dio Putra wrote:
> >> Hi, it's first time for me to report user-space breakage in here, so
> >> i'm begging your pardon.
> >>
> >> I want to report that Linux 5.4 breaking my USB mount workflow due
> >> udevadm monitor report here (I'm using vanilla kernel 5.4.39 on
> >> Slackware64 Current and vanilla kernel 4.4.221 on Slackware64 14.2):
> > 
> > <snip>
> > 
> > Sorry, but what actually changed that you can see in the logs?
> Sorry, what do you mean? The dmesg log or the kernel changelogs?

Either, your message made them pretty impossible to compare with all of
the line-wrapping :(

> > What functionality broke?  What used to work that no longer does work?
> > 
> Yes, it supposed that just work and kernel could talk with udev, not just handled by the kernel.

I don't understand, what functionality changed?  What exactly used to
work that no longer does?

Did you change anything else other than the kernel on your system?  Did
you change to a newer version of udev/systemd or anything else?

thanks,

greg k-h