panic in usb_transfer_complete in vmware

[Sascha Wildner]

Simon 'corecode' Schubert wrote:
just tried booting 1.4 (snaphot) in vmware.  it works normally, but if I 
have my usb stick passed through to dragonfly, it panics like below (I 
think that's the same panic sascha is seeing).
Sephe's USB upgrade fixed the panic for me which I had when shutting 
down a system that was running from a USB disk.

However, now dashutdown() (sys/bus/cam/scsi/scsi_da.c) hangs for 5 
minutes at line 1931 in the xpt_polled_action() after 
scsi_synchronize_cache().

After 5 minutes, the shutdown continues normally. Does anyone have an 
idea what's wrong here?

Sascha

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