I know in test4 it was necessary to apply a patch, is
it still necessary in test5?
with 2.6test5, on boot....
hub 1-0:0: new USB device on port 1, assigned address
2
drivers/usb/class/cdc-acm.c: ttyACM0: USB ACM device
Unable to handle kernel NULL pointer dereference at
virtual address 00000040
printing eip:
dd841354
*pde = 00000000
Oops: 0000 [#1]
CPU: 0
EIP: 0060:[<dd841354>] Not tainted
EFLAGS: 00010246
EIP is at usb_driver_claim_interface+0x64/0xf0
[usbcore]
eax: 0000003c ebx: dbd6c944 ecx: db4e2080 edx:
db3e8000
esi: dd82ae20 edi: 00000000 ebp: db9c85c0 esp:
db3e9e7c
ds: 007b es: 007b ss: 0068
Process modprobe (pid: 182, threadinfo=db3e8000
task=db4e2080)
Stack: 00000000 db9c85d8 00000007 dbd6c944 db760e00
db773d10 dd829f64 dd82ae20
dbd6c944 db9c85c0 db9c85d8 00000007 00000000
db760e00 00000000 00000010
db773d10 db66aed4 db66aec0 dbd6ed00 dd82aea8
dd82ae40 dd82ae20 dbd6c880
Call Trace:
[<dd829f64>] acm_probe+0x4a4/0x540 [cdc_acm]
[<dd841093>] usb_probe_interface+0x73/0xa0 [usbcore]
[<c020d5ef>] bus_match+0x3f/0x70
[<c020d73f>] driver_attach+0x6f/0xa0
[<c020d9dd>] bus_add_driver+0x8d/0xa0
[<c020de5f>] driver_register+0x2f/0x40
[<dd8411b3>] usb_register+0x73/0xb0 [usbcore]
[<dd817128>] acm_init+0x128/0x162 [cdc_acm]
[<c013445c>] sys_init_module+0x12c/0x250
[<c01093a5>] sysenter_past_esp+0x52/0x71
Code: 8b 40 04 89 44 24 08 8b 46 04 c7 04 24 60 fb 84
dd 89 44 24
<6>hub 1-0:0: debounce: port 2: delay 100ms stable 4
status 0x301
device no longer works either:(
input/output errors on cat/usage of /dev/input/ttyusbACM0
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