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Date:      Wed, 24 Aug 2005 19:00:05 +0400
From:      Andy Jam <jema@mail.ru>
To:        Marius Strobl <marius@alchemy.franken.de>
Cc:        freebsd-sparc64@freebsd.org
Subject:   Re[2]: sparc64/82569: USB mass storage plug/unplug causes system panic
Message-ID:  <E1E7wjV-0002zi-00.jema-mail-ru@f53.mail.ru>
In-Reply-To: <20050810230618.B489@newtrinity.zeist.de>

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-----Original Message-----
From: Marius Strobl <marius@alchemy.franken.de>
To: Andy Jema <jema@mail.ru>
Date: Wed, 10 Aug 2005 23:06:18 +0200
Subject: Re: sparc64/82569: USB mass storage plug/unplug causes system panic

> 
> On Thu, Jun 23, 2005 at 11:01:15AM +0000, Andy Jema wrote:
> > 
> > >Number:         82569
> > >Category:       sparc64
> > >Synopsis:       USB mass storage plug/unplug causes system panic
> > >Confidential:   no
> > >Severity:       serious
> > >Priority:       medium
> > >Responsible:    freebsd-sparc64
> > >State:          open
> > >Quarter:        
> > >Keywords:       
> > >Date-Required:
> > >Class:          sw-bug
> > >Submitter-Id:   current-users
> > >Arrival-Date:   Thu Jun 23 11:10:19 GMT 2005
> > >Closed-Date:
> > >Last-Modified:
> > >Originator:     Andy Jema
> > >Release:        6.0-CURRENT
> > >Organization:
> > OT
> > >Environment:
> > FreeBSD 6.0-20050601-SNAP #0: Thu Jun  2 05:29:17 UTC 2005
> > root@u60.samsco.home:/usr/obj/usr/src/sys/GENERIC 
> > >Description:
> > Just installed FreeBSD 6.0-20050601-SNAP. I repeatously pluged and unpluged a USB mass storage(DVD-ROM) on my Blade 150 and as result got a kernel panic
> > 
> > blade150# kldload usb.ko 
> > ohci0: <Sun PCIO-2 USB controller> mem 0x2000000-0x2007fff at device 12.3 on pci0
> > ohci0: [GIANT-LOCKED]
> > usb0: OHCI version 1.0, legacy support
> > usb0: <Sun PCIO-2 USB controller> on ohci0
> > usb0: USB revision 1.0
> > uhub0: (0x108e) OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
> > uhub0: 4 ports with 4 removable, self powered
> > blade150# kldload umass.ko 
> > blade150# (null): at uhub0 port 4 (addr 2) disconnected
> > 
> > blade150# 
> > blade150# umass0: USB2.0 TO IDE USB Storage Adapter, rev 2.00/11.01, addr 2
> > umass0: at uhub0 port 4 (addr 2) disconnected
> > panic: trap: memory address not aligned
> > cpuid = 0
> > KDB: enter: panic
> > [thread pid 16 tid 100019 ]
> > Stopped at      kdb_enter+0x3c: ta              %xcc, 1
> > db> 
> > 
> > >How-To-Repeat:
> > plug/unplug repeatously a USB CD/DVD-ROM
> 
> Is this really sparc64-specific, i.e. it doesn't happen when repeatedly
> plugging in and unplugging the same drive on e.g. i386? Is the drive
> otherwise useable on sparc64?
> 

Hello, Marius!
My flash drive works fine on i386, there is only hassle bug with plug/unplug with mounted filesystem on this one. AFAIK, it's well known bug, btw, would it be fixed soon?
However on sparc64 this flash is still usable.



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