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Date: Sat, 30 Sep 2006 09:56:26 +0200
From: Arkadiusz Jałowiec <ajalowiec@...eria.pl>
To: Alan Stern <stern@...land.harvard.edu>, ornati@...twebnet.it,
linux-kernel@...r.kernel.org, linux-usb-users@...ts.sourceforge.net
Subject: Re: [Linux-usb-users[ PROBLEM: Kernel 2.6.x freeze
Alan Stern wrote:
>
> Equally important, which version of gcc was used to compile the kernel?
>
My gcc version is:
gcc (GCC) 3.3.6
> Arkadiusz, could you please run "objdump -d drivers/usb/host/uhci-hcd.o"
> in your kernel source directory, and post the portion of the output for
> the uhci_giveback_urb routine?
00001483 <uhci_giveback_urb>:
1483: 55 push %ebp
1484: 57 push %edi
1485: 89 d7 mov %edx,%edi
1487: 56 push %esi
1488: 89 ce mov %ecx,%esi
148a: 53 push %ebx
148b: 83 ec 1c sub $0x1c,%esp
148e: 89 44 24 18 mov %eax,0x18(%esp)
1492: 83 7a 48 01 cmpl $0x1,0x48(%edx)
1496: 8b 69 04 mov 0x4(%ecx),%ebp
1499: 75 27 jne 14c2 <uhci_giveback_urb+0x3f>
149b: 8d 42 18 lea 0x18(%edx),%eax
149e: 8b 55 04 mov 0x4(%ebp),%edx
14a1: 39 c2 cmp %eax,%edx
14a3: 75 1d jne 14c2 <uhci_giveback_urb+0x3f>
14a5: 8b 45 00 mov 0x0(%ebp),%eax
14a8: 39 d0 cmp %edx,%eax
14aa: 74 16 je 14c2 <uhci_giveback_urb+0x3f>
14ac: 8b 40 08 mov 0x8(%eax),%eax
14af: 8d 50 5c lea 0x5c(%eax),%edx
14b2: 89 57 2c mov %edx,0x2c(%edi)
14b5: 8b 40 44 mov 0x44(%eax),%eax
14b8: c7 47 40 00 00 00 00 movl $0x0,0x40(%edi)
14bf: 89 47 3c mov %eax,0x3c(%edi)
14c2: 8b 45 00 mov 0x0(%ebp),%eax
14c5: 8b 55 04 mov 0x4(%ebp),%edx
14c8: 89 02 mov %eax,(%edx)
14ca: 89 50 04 mov %edx,0x4(%eax)
14cd: 89 6d 00 mov %ebp,0x0(%ebp)
14d0: 8d 47 18 lea 0x18(%edi),%eax
14d3: 89 6d 04 mov %ebp,0x4(%ebp)
14d6: 39 47 18 cmp %eax,0x18(%edi)
14d9: 75 4b jne 1526 <uhci_giveback_urb+0xa3>
14db: 0f b6 47 50 movzbl 0x50(%edi),%eax
14df: a8 02 test $0x2,%al
14e1: 88 44 24 08 mov %al,0x8(%esp)
14e5: 74 3f je 1526 <uhci_giveback_urb+0xa3>
14e7: 0f b6 46 20 movzbl 0x20(%esi),%eax
14eb: 8b 4e 20 mov 0x20(%esi),%ecx
14ee: ba fe ff ff ff mov $0xfffffffe,%edx
14f3: 24 80 and $0x80,%al
14f5: 0f 94 c3 sete %bl
14f8: c1 e9 0f shr $0xf,%ecx
14fb: 0f b6 db movzbl %bl,%ebx
14fe: 83 e1 0f and $0xf,%ecx
1501: 89 1c 24 mov %ebx,(%esp)
1504: 89 d8 mov %ebx,%eax
1506: d3 c2 rol %cl,%edx
1508: 8b 5e 1c mov 0x1c(%esi),%ebx
150b: 23 54 83 24 and 0x24(%ebx,%eax,4),%edx
150f: 0f b6 44 24 08 movzbl 0x8(%esp),%eax
1514: 83 e0 01 and $0x1,%eax
1517: d3 e0 shl %cl,%eax
1519: 09 c2 or %eax,%edx
151b: 8b 04 24 mov (%esp),%eax
151e: 89 54 83 24 mov %edx,0x24(%ebx,%eax,4)
1522: 80 67 50 fd andb $0xfd,0x50(%edi)
1526: 8b 44 24 18 mov 0x18(%esp),%eax
152a: 89 ea mov %ebp,%edx
152c: e8 fe f1 ff ff call 72f <uhci_free_urb_priv>
1531: 8b 47 48 mov 0x48(%edi),%eax
1534: 83 f8 01 cmp $0x1,%eax
1537: 74 07 je 1540 <uhci_giveback_urb+0xbd>
1539: 83 f8 03 cmp $0x3,%eax
153c: 74 12 je 1550 <uhci_giveback_urb+0xcd>
153e: eb 33 jmp 1573 <uhci_giveback_urb+0xf0>
1540: 83 7e 08 00 cmpl $0x0,0x8(%esi)
1544: 74 2d je 1573 <uhci_giveback_urb+0xf0>
1546: 8b 46 1c mov 0x1c(%esi),%eax
1549: b9 01 00 00 00 mov $0x1,%ecx
154e: eb 13 jmp 1563 <uhci_giveback_urb+0xe0>
1550: 8d 47 18 lea 0x18(%edi),%eax
1553: 39 47 18 cmp %eax,0x18(%edi)
1556: 75 14 jne 156c <uhci_giveback_urb+0xe9>
1558: 83 7e 08 00 cmpl $0x0,0x8(%esi)
155c: 74 0e je 156c <uhci_giveback_urb+0xe9>
155e: 8b 46 1c mov 0x1c(%esi),%eax
1561: 31 c9 xor %ecx,%ecx
1563: 89 f2 mov %esi,%edx
1565: e8 fc ff ff ff call 1566 <uhci_giveback_urb+0xe3>
156a: eb 07 jmp 1573 <uhci_giveback_urb+0xf0>
156c: c7 46 08 00 00 00 00 movl $0x0,0x8(%esi)
1573: 8b 44 24 18 mov 0x18(%esp),%eax
1577: 8b 4c 24 30 mov 0x30(%esp),%ecx
157b: 89 f2 mov %esi,%edx
157d: 2d d0 00 00 00 sub $0xd0,%eax
1582: e8 fc ff ff ff call 1583 <uhci_giveback_urb+0x100>
1587: 8d 47 18 lea 0x18(%edi),%eax
158a: 39 47 18 cmp %eax,0x18(%edi)
158d: 75 12 jne 15a1 <uhci_giveback_urb+0x11e>
158f: 89 fa mov %edi,%edx
1591: 8b 44 24 18 mov 0x18(%esp),%eax
1595: e8 4d f0 ff ff call 5e7 <uhci_unlink_qh>
159a: c7 47 38 00 00 00 00 movl $0x0,0x38(%edi)
15a1: 83 c4 1c add $0x1c,%esp
15a4: 5b pop %ebx
15a5: 5e pop %esi
15a6: 5f pop %edi
15a7: 5d pop %ebp
15a8: c3 ret
----------------------------------------------------------------------
Dziewczyny Paryza >>> http://link.interia.pl/f19a3
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