Date: Tue, 07 Aug 2007 08:14:27 -0600 (MDT) From: "M. Warner Losh" <imp@bsdimp.com> To: krassi@bulinfo.net Cc: freebsd-arm@freebsd.org, ticso@cicely.de Subject: Re: Kernel panic on usb disconnect? Message-ID: <20070807.081427.84362992.imp@bsdimp.com> In-Reply-To: <46B87129.1060800@bulinfo.net> References: <46B85F61.1050008@bulinfo.net> <20070807130429.GB41893@cicely12.cicely.de> <46B87129.1060800@bulinfo.net>
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In message: <46B87129.1060800@bulinfo.net> Krassimir Slavchev <krassi@bulinfo.net> writes: : -----BEGIN PGP SIGNED MESSAGE----- : Hash: SHA1 : : Bernd Walter wrote: : > On Tue, Aug 07, 2007 at 03:02:41PM +0300, Krassimir Slavchev wrote: : >> -----BEGIN PGP SIGNED MESSAGE----- : >> Hash: SHA1 : >> : >> This is on at91rm9200 with latest -current : >> : >> On connect: : >> : >> umass0: <Corsair Flash Voyager, class 0/0, rev 2.00/11.00, addr 2> on uhub0 : >> umass0: SCSI over Bulk-Only; quirks = 0x0000 : >> umass0:0:0:-1: Attached to scbus0 : >> Expensive timeout(9) function: 0xc00357f0(0xc07e6c00) 0.002746582 s : >> : >> On disconnect: : >> : >> umass0: BBB reset failed, IOERROR : >> umass0: at uhub0 port 1 (addr 2) disconnected : > : > This problem is not arm specific. : > You have to unmount umass devices befor you can disconnect them. : > : : Yes, I know, the device is not mounted. Unfortunately I can't reproduce : this on i386. I've pulled usb tumbdrives on arm a few times and haven't seen this. How do you recreate it? Warner
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