[sane-devel] epson 2450(firewire) crashes usb

[Roberto Lumbreras]

On Tuesday, May 20, 2003 at 07:28:28, khk at khk.net wrote:
: 
: The TPU is not the cause for the problems: It may trigger the problem,
: but it's not the root cause. When you scan using the TPU, it takes a lot
: longer until the first data is sent from the scanner, therefore, the USB
: system runs into a timeout, which it does not seem to recover from. If you
: set this timeout value to something ridiculously short (e.g. 1 second), the
: same problem will occur even when you scan off the glass.
 
Well, I've set the timeout to 300 seconds, with "modprobe scanner
read_timeout=300" and it doesn't solve it.  The following happened when
I tried to use the TPU of my Epson Perfection 2400 Photo (xsane died and
oopsed).

The first timout is "usb_control/bulk_msg: timeout", before scanner.c
messages, so other thing is timeouting too... should I have to increase
other timeout or something?

hub.c: new USB device 00:07.2-1, assigned address 2
usb.c: kmalloc IF c8652480, numif 1
usb.c: new device strings: Mfr=1, Product=2, SerialNumber=0
usb.c: USB device number 2 default language ID 0x409
Manufacturer: EPSON
Product: EPSON Scanner
scanner.c: probe_scanner: User specified USB read timeout - 300
usb.c: usbscanner driver claimed interface c8652480
usb.c: kusbd: /sbin/hotplug add 2
usb.c: kusbd policy returned 0xfffffffe
hub.c: port 2, portstatus 300, change 0, 1.5 Mb/s
hub.c: port 1, portstatus 103, change 0, 12 Mb/s
hub.c: port 2, portstatus 300, change 0, 1.5 Mb/s
usb_control/bulk_msg: timeout
usb-uhci.c: interrupt, status 3, frame# 449
scanner.c: read_scanner(0): funky result:-75. Consult Documentation/usb/scanner.
txt.
hub.c: port 1, portstatus 100, change 3, 12 Mb/s
hub.c: port 1 connection change
hub.c: port 1, portstatus 100, change 3, 12 Mb/s
usb.c: USB disconnect on device 00:07.2-1 address 2
usb_control/bulk_msg: timeout
scanner.c: write_scanner: NAK received.
usb.c: kusbd: /sbin/hotplug remove 2
Unable to handle kernel NULL pointer dereference at virtual address 00000088
 printing eip:
d8a2b1f6
*pde = 00000000
Oops: 0002
CPU:    0
EIP:    0010:[<d8a2b1f6>]    Tainted: P
EFLAGS: 00013282
eax: 00000000   ebx: d8a2d0ec   ecx: 00000088   edx: 00000000
esi: 00000088   edi: c142e340   ebp: d3546440   esp: c5155e84
ds: 0018   es: 0018   ss: 0018
Process xsane (pid: 1161, stackpage=c5155000)
Stack: c64a9140 d33e7b00 c01334cc d33e7b00 c64a9140 c64a9140 00000000 c7d79900
       00000001 c0132485 c64a9140 c7d79900 c64a9140 c7d79900 00000001 0000000b
       c7d79900 c0118e18 c64a9140 c7d79900 c8ce0080 c5154000 c5154000 0000000b
Call Trace:    [<c01334cc>] [<c0132485>] [<c0118e18>] [<c01193ef>] [<c011e1ca>]
  [<c0106bd1>] [<c0112f70>] [<c01242ab>] [<c0106e18>] [<c0106d60>]

Code: ff 8a 88 00 00 00 0f 88 f1 0b 00 00 c6 42 6b 00 8b 44 24 10
 <7>usb.c: kusbd policy returned 0xfffffffe
hub.c: port 2, portstatus 300, change 0, 1.5 Mb/s
hub.c: port 1, portstatus 100, change 2, 12 Mb/s
hub.c: port 1 enable change, status 100
hub.c: port 2, portstatus 300, change 0, 1.5 Mb/s

ksymoops output:

>>EIP; d8a2b1f6 <[scanner]close_scanner+56/a0>   <=====

>>ebx; d8a2d0ec <[scanner]scn_mutex+0/14>
>>edi; c142e340 <_end+1124b28/185d8848>
>>ebp; d3546440 <_end+1323cc28/185d8848>
>>esp; c5155e84 <_end+4e4c66c/185d8848>

Trace; c01334cc <fput+4c/e0>
Trace; c0132485 <filp_close+55/60>
Trace; c0118e18 <put_files_struct+58/c0>
Trace; c01193ef <do_exit+af/240>
Trace; c011e1ca <sig_exit+9a/a0>
Trace; c0106bd1 <do_signal+1f1/254>
Trace; c0112f70 <do_page_fault+0/484>
Trace; c01242ab <sys_brk+bb/f0>
Trace; c0106e18 <error_code+34/3c>
Trace; c0106d60 <signal_return+14/18>

Code;  d8a2b1f6 <[scanner]close_scanner+56/a0>
00000000 <_EIP>:
Code;  d8a2b1f6 <[scanner]close_scanner+56/a0>   <=====
   0:   ff 8a 88 00 00 00         decl   0x88(%edx)   <=====
Code;  d8a2b1fc <[scanner]close_scanner+5c/a0>
   6:   0f 88 f1 0b 00 00         js     bfd <_EIP+0xbfd>
Code;  d8a2b202 <[scanner]close_scanner+62/a0>
   c:   c6 42 6b 00               movb   $0x0,0x6b(%edx)
Code;  d8a2b206 <[scanner]close_scanner+66/a0>
  10:   8b 44 24 10               mov    0x10(%esp,1),%eax


Salud,
-- 
Roberto Lumbreras           .''`.            
                    <rover : :' : debian.org>
Debian Developer           `. `'             
                             `-