Kernel panic on usb disconnect?
M. Warner Losh
imp at bsdimp.com
Tue Aug 7 14:16:27 UTC 2007
In message: <46B87129.1060800 at bulinfo.net>
Krassimir Slavchev <krassi at bulinfo.net> writes:
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: Bernd Walter wrote:
: > On Tue, Aug 07, 2007 at 03:02:41PM +0300, Krassimir Slavchev wrote:
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: >> 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?
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