Hi all, a strange full lock in SMP-kernel 2.4.6 and 2.4.5

[linuxx <linuxx@eresmas.net>]

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Well Full lock in 2.4.5 and .6 when in a SMP intel p III 500mhz when i try to print any file in a epson 760 usb and parport
printer.  
I put in antecedents . With 2.4.3 and before the printer via usb or partport print ok . In 2.4.5-6 when i try to send
anything to /dev/usb/lp0 like cat a.txt > /dev/usb/lp0 the system fail or if i do in lpr same . I have no problem if i use parport whit the sames kernels .I have all right configured. With the same computer in other distribution .Same kernel = same lock .Of course the LPRng and gcc are 
all compiled in this machine and work right for months , both stables versions.I put the only trace y can get for the lock.
I hope help something for any other thing i not subscribed to kernel list so i like to know any answer you can give. THANKS

CPU:    0
EIP:    0010:[<d084acd1>]
EFLAGS: 00000086
eax: cd747600  ebx: cd1d42a0  ecx: 00000001  edx: cd747600
esi: cd1d41fc  edi: 00000000  ebp: 00000004  esp: cd077f34
ds: 0018  es: 0018  ss:0018
Process cat (pid: 378, stackpage=cd077000)
Stack: 0000017a 00000000 00000005 00000000 00000206 cd1d41a0 cd8f0000 00000000
       00000004 d0837aac cd1d41fc d084e411 cd1d41fc 00000000 cdec8c60 ffffffea
       00000000 00000004 c013a1c6 cdec8c60 0804c860 00000004 cdec8c80 00000025

Call Trace: [<013a1c6>] [<c0106ea7>]
Code: 80 7b 24 00 f3 90 7e f8 e9 e0 d0 ff ff 80 bf 80 00 00 00 00
console shuts up ...
<unfinished ...>
+++ killed by SIGSEGV +++
	      


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 Luis Toro Teijeiro                                       THANKS FOR YOUR TIME.

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