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Date:      Sat, 30 Jul 2005 17:39:22 +0200
From:      Jean-Jacques Dhenin <dhenin@ecp.fr>
To:        freebsd-questions@freebsd.org
Subject:   JNC MP3 Player Synchronize cache failed
Message-ID:  <20050730153922.GA5593@ecp.fr>

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Hello,

I am not able to use may "SylverCrest" mp3 player. 

When I connect the player I have this message on the console : 

da0 at umass-sim0 bus 0 target 0 lun 0
da0: <JNC MP3 Player 1.00> Removable Direct Access SCSI-0 device 
da0: 1.000MB/s transfers
da0: 499MB (1023713 512 byte sectors: 64H 32S/T 499C)
umass0: at uhub2 port 1 (addr 2) disconnected
(da0:umass-sim0:0:0:0): lost device
(da0:umass-sim0:0:0:0): Synchronize cache failed, status == 0x39, scsi status == 0x0
(da0:umass-sim0:0:0:0): removing device entry

after removing the device and after many minutes a page fault in kernel
mode (trap 12) : 

fault code  = supervisor read, page not present
instruction pointer = 0x8:0xc0a27883
...
panic: page fault.

This is the same with 4.11, 5.4, 6 and 7 release. 

I found nothing on the net. 

Many thanks for a patch, a fix or a workaround.


-- 
(°>   Dhénin Jean-Jacques
/ )   dhenin@ecp.fr
^^



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