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Date: Wed, 10 Aug 2005 21:10:16 GMT
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To: freebsd-sparc64@FreeBSD.org
From: Marius Strobl <marius@alchemy.franken.de>
Cc: 
Subject: Re: sparc64/82569: USB mass storage plug/unplug causes system panic
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The following reply was made to PR sparc64/82569; it has been noted by GNATS.

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

 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?