We have reasonable new kernels in Rawhide, 2.6.15 or 2.6.16-rc1, and they
do this:

visor 2-1:1.0: Handspring Visor / Palm OS converter detected
usb 2-1: Handspring Visor / Palm OS converter now attached to ttyUSB0
usb 2-1: Handspring Visor / Palm OS converter now attached to ttyUSB1
usbcore: registered new driver visor
drivers/usb/serial/visor.c: USB HandSpring Visor / Palm OS driver
usb 2-1: USB disconnect, address 2
visor 2-1:1.0: device disconnected
visor ttyUSB0: Handspring Visor / Palm OS converter now disconnected from 
ttyUSB0
visor ttyUSB1: Handspring Visor / Palm OS converter now disconnected from 
ttyUSB1
Slab corruption: (Not tainted) start=ea550da0, len=1024
Redzone: 0x5a2cf071/0x5a2cf071.
Last user: [<c0227086>](device_release+0x14/0x47)
 [<c0151247>] check_poison_obj+0x73/0x161     [<c0151379>] 
cache_alloc_debugcheck_after+0x1f/0xea
 [<c01524ed>] kmem_cache_alloc+0x70/0x79     [<c0139399>] audit_alloc+0x5e/0xba
 [<c0139399>] audit_alloc+0x5e/0xba     [<c011981f>] copy_process+0x463/0x116d
 [<c02e02bb>] _read_unlock_irq+0x5/0x7     [<c013aba2>] find_get_page+0x39/0x3f
 [<c01452f6>] __handle_mm_fault+0x418/0x78e     [<c011a76e>] do_fork+0x85/0x190
 [<c0139014>] audit_syscall_entry+0x118/0x13f     [<c01055e0>] 
do_syscall_trace+0x104/0x14a
 [<c01011b5>] sys_clone+0x28/0x2d     [<c0102ba9>] syscall_call+0x7/0xb
010: 6b 6b 6b 6b 6b 6b 6b 6b 6c 6b 6b 6b 6b 6b 6b 6b
Prev obj: start=ea550994, len=1024
Redzone: 0x170fc2a5/0x170fc2a5.
Last user: [<c016b21b>](expand_files+0x104/0x2e8)

Anyone seen this? It only happens with gpilot apparently, but not with
pilot-link. The gpilot somehow makes the Treo 650 to disconnect, and
that apparently triggers a use-after-free in visor... Or something.

-- Pete


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