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Bug#513894: marked as done (base: Internal error: Oops: f3 [#2])

Your message dated Sat, 7 Mar 2009 22:48:40 +0100
with message-id <20090307214840.GA30631@deprecation.cyrius.com>
and subject line Re: Bug#513894: Re: Bug#513894: Oops: f3 with i2c-tiny-usbHello,
has caused the Debian Bug report #513894,
regarding base: Internal error: Oops: f3 [#2]
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact owner@bugs.debian.org
immediately.)


-- 
513894: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=513894
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: base
Severity: important

[42994982.810000] Unable to handle kernel paging request at virtual address 692f7473
[42994982.810000] pgd = c1da0000
[42994982.810000] [692f7473] *pgd=00000000
[42994982.810000] Internal error: Oops: f3 [#2]
[42994982.810000] Modules linked in: ipv6 nfsd auth_rpcgss exportfs nfs lockd nfs_acl sunrpc nls_utf8 ntfs nls_base ext2 evdev ftdi_sio usbhid hid i2c_tiny_usb ff_memless usbserial ixp4xx_eth ixp4xx_npe firmware_class ixp4xx_qmgr ixp4xx_beeper ohci_hcd ext3 jbd mbcache sd_mod ehci_hcd usb_storage usbcorescsi_mod
[42994982.810000] CPU: 0    Tainted: G      D    (2.6.26-1-ixp4xx #1)
[42994982.810000] PC is at module_put+0x20/0x48
[42994982.810000] LR is at i2c_put_adapter+0x14/0x18
[42994982.810000] pc : [<c0060b00>]    lr : [<c01940f4>]    psr: 20000093
[42994982.810000] sp : c0fc3c68  ip : c0fc3c78  fp : c0fc3c74
[42994982.810000] r10: c18d3dd8  r9 : c1c0d120  r8 : 00000000
[42994982.810000] r7 : c1c1a208  r6 : 00000008  r5 : c1daaac0  r4 : c13fe000
[42994982.810000] r3 : 20000093  r2 : 20000013  r1 : c1daaac0  r0 : 692f7373
[42994982.810000] Flags: nzCv  IRQs off  FIQs on  Mode SVC_32  ISA ARM  Segment user
[42994982.810000] Control: 0000397f  Table: 01da0000  DAC: 00000015
[42994982.810000] Process hcontrol (pid: 2671, stack limit = 0xc0fc2268)
[42994982.810000] Stack: (0xc0fc3c68 to 0xc0fc4000)
[42994982.810000] 3c60:                   c0fc3c84 c0fc3c78 c01940f4 c0060aec c0fc3c9c c0fc3c88
[42994982.810000] 3c80: c0195d94 c01940ec c1daaac0 c0f0ea60 c0fc3cd4 c0fc3ca0 c009813c c0195d84
[42994982.810000] 3ca0: 00000000 c0ef9d30 00000000 c1daaac0 c1c1a200 00000000 c1c1a208 00000000
[42994982.810000] 3cc0: 000000f3 00000001 c0fc3ce4 c0fc3cd8 c00984c4 c0098090 c0fc3d04 c0fc3ce8
[42994982.810000] 3ce0: c0094dd0 c009849c c0f16e00 c1c1a200 00000003 0000000c c0fc3d2c c0fc3d08
[42994982.810000] 3d00: c0040980 c0094d64 c0f16e00 c0fc2000 c1e68060 0000000b c01941f8 00000008
[42994982.810000] 3d20: c0fc3d3c c0fc3d30 c0040a00 c0040904 c0fc3d54 c0fc3d40 c0041cf8 c00409e4
[42994982.810000] 3d40: c003e550 c003e420 c0fc3d64 c0fc3d58 c0029de4 c0041aec c0fc3d84 c0fc3d68
[42994982.810000] 3d60: c002c460 c0029b70 c0fc3ea0 000000f3 692f7265 c0fc3ea0 c0fc3dac c0fc3d88
[42994982.810000] 3d80: c002c718 c002c400 e5933000 c021db38 00000013 00000000 e5933000 00000000
[42994982.810000] 3da0: c0fc3dec c0fc3db0 c002e584 c002c6b4 00000000 c02c0a68 28841963 0000b229
[42994982.810000] 3dc0: c0fc3df4 ffffffff c02bc1bc 000000f3 c0fc3ea0 692f7265 60000013 00000000
[42994982.810000] 3de0: c0fc3e9c c0fc3df0 c00251f0 c002e150 c005b76c c02bc4cc c0fc3e24 c0fc3e08
[42994982.810000] 3e00: c003080c c00307a8 c02c1680 c02c1680 00000005 00000000 c0fc3e3c c0fc3e28
[42994982.810000] 3e20: c0043e2c c0037468 00000005 00000005 c0fc3e5c c0fc3e40 c002504c c0043dd4
[42994982.810000] 3e40: c005b878 ffffffff 0000001f 00000020 c0fc3eec c0fc3e60 c00256b0 c002500c
[42994982.810000] 3e60: 00000001 c02c0a70 c0f374c0 00000001 2883b65f 0000b229 c0fc3f10 ffffffff
[42994982.810000] 3e80: c0fc3ed4 be932b55 c051d360 c0025c48 c0fc3f04 c0fc3ea0 c002566c c00251c0
[42994982.810000] 3ea0: c0fc2028 c0fc3f0c 00000001 692f7265 c1c73a08 00000001 be932b55 c051d360
[42994982.810000] 3ec0: c0025c48 c0fc2000 00000000 c0fc3f04 c0fc3f08 c0fc3ee8 c0194cd4 c01941f8
[42994982.810000] 3ee0: a0000013 ffffffff 00000001 00000001 be932b55 c051d360 c0fc3f2c c0fc3f08
[42994982.810000] 3f00: c0194cd4 c01941ec c0fc3f4c 0001004b c13f0001 c051d360 be932b55 fffffff4
[42994982.810000] 3f20: c0fc3f4c c0fc3f30 c01961ac c0194c98 c1daaac0 be932b55 c0fc3f78 00000001
[42994982.810000] 3f40: c0fc3f74 c0fc3f50 c0097778 c0196170 006d6561 00000a6f c1daaac0 fffffff7
[42994982.810000] 3f60: 00000000 00000000 c0fc3fa4 c0fc3f78 c0097c44 c00976d0 00000000 00000000
[42994982.810000] 3f80: 00000000 00000000 0000d6fc 00000000 000090a0 00000003 00000000 c0fc3fa8
[42994982.810000] 3fa0: c0025aa0 c0097c0c 0000d6fc 00000000 00000003 be932b55 00000001 be932b55
[42994982.810000] 3fc0: 0000d6fc 00000000 000090a0 00000003 00000000 00000000 40025000 be932b6c
[42994982.810000] 3fe0: 00000000 be932a40 0000b4ac 40209eac 40000010 00000003 0002003d 00000000
[42994982.810000] Backtrace:
[42994982.810000] [<c0060ae0>] (module_put+0x0/0x48) from [<c01940f4>] (i2c_put_adapter+0x14/0x18)
[42994982.810000] [<c01940e0>] (i2c_put_adapter+0x0/0x18) from [<c0195d94>] (i2cdev_release+0x1c/0x30)
[42994982.810000] [<c0195d78>] (i2cdev_release+0x0/0x30) from [<c009813c>] (__fput+0xb8/0x178)
[42994982.810000]  r5:c0f0ea60 r4:c1daaac0
[42994982.810000] [<c0098084>] (__fput+0x0/0x178) from [<c00984c4>] (fput+0x34/0x38)
[42994982.810000] [<c0098490>] (fput+0x0/0x38) from [<c0094dd0>] (filp_close+0x78/0x84)
[42994982.810000] [<c0094d58>] (filp_close+0x0/0x84) from [<c0040980>] (put_files_struct+0x88/0xe0)
[42994982.810000]  r6:0000000c r5:00000003 r4:c1c1a200
[42994982.810000] [<c00408f8>] (put_files_struct+0x0/0xe0) from [<c0040a00>] (exit_files+0x28/0x2c)
[42994982.810000]  r8:00000008 r7:c01941f8 r6:0000000b r5:c1e68060 r4:c0fc2000
[42994982.810000] [<c00409d8>] (exit_files+0x0/0x2c) from [<c0041cf8>] (do_exit+0x218/0x6a4)
[42994982.810000] [<c0041ae0>] (do_exit+0x0/0x6a4) from [<c0029de4>] (die+0x280/0x304)
[42994982.810000] [<c0029b64>] (die+0x0/0x304) from [<c002c460>] (__do_kernel_fault+0x6c/0x80)
[42994982.810000] [<c002c3f4>] (__do_kernel_fault+0x0/0x80) from [<c002c718>] (do_bad_area+0x70/0x7c)
[42994982.810000]  r7:c0fc3ea0 r6:692f7265 r5:000000f3 r4:c0fc3ea0
[42994982.810000] [<c002c6a8>] (do_bad_area+0x0/0x7c) from [<c002e584>] (do_alignment+0x440/0x59c)
[42994982.810000]  r6:00000000 r5:e5933000 r4:00000000
[42994982.810000] [<c002e144>] (do_alignment+0x0/0x59c) from [<c00251f0>] (do_DataAbort+0x3c/0xa0)
[42994982.810000] [<c00251b4>] (do_DataAbort+0x0/0xa0) from [<c002566c>] (__dabt_svc+0x4c/0x60)
[42994982.810000] Exception stack(0xc0fc3ea0 to 0xc0fc3ee8)
[42994982.810000] 3ea0: c0fc2028 c0fc3f0c 00000001 692f7265 c1c73a08 00000001 be932b55 c051d360
[42994982.810000] 3ec0: c0025c48 c0fc2000 00000000 c0fc3f04 c0fc3f08 c0fc3ee8 c0194cd4 c01941f8
[42994982.810000] 3ee0: a0000013 ffffffff
[42994982.810000]  r8:c0025c48 r7:c051d360 r6:be932b55 r5:c0fc3ed4 r4:ffffffff
[42994982.810000] [<c01941e0>] (i2c_transfer+0x0/0x98) from [<c0194cd4>] (i2c_master_recv+0x48/0x58)
[42994982.810000]  r7:c051d360 r6:be932b55 r5:00000001 r4:00000001
[42994982.810000] [<c0194c8c>] (i2c_master_recv+0x0/0x58) from [<c01961ac>] (i2cdev_read+0x48/0xa0)
[42994982.810000]  r4:fffffff4
[42994982.810000] [<c0196164>] (i2cdev_read+0x0/0xa0) from [<c0097778>] (vfs_read+0xb4/0x18c)
[42994982.810000]  r7:00000001 r6:c0fc3f78 r5:be932b55 r4:c1daaac0
[42994982.810000] [<c00976c4>] (vfs_read+0x0/0x18c) from [<c0097c44>] (sys_read+0x44/0x70)
[42994982.810000]  r7:00000000 r6:00000000 r5:fffffff7 r4:c1daaac0
[42994982.810000] [<c0097c00>] (sys_read+0x0/0x70) from [<c0025aa0>] (ret_fast_syscall+0x0/0x2c)
[42994982.810000]  r7:00000003 r6:000090a0 r5:00000000 r4:0000d6fc
[42994982.810000] Code: 0a00000b e10f2000 e3823080 e121f003 (e5903100)
[42994983.440000] ---[ end trace 051f259b86cac584 ]---

-- System Information:
Debian Release: 5.0
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: armel (armv5tel)

Kernel: Linux 2.6.26-1-ixp4xx
Locale: LANG=C, LC_CTYPE=C (charmap=ANSI_X3.4-1968)
Shell: /bin/sh linked to /bin/bash

--- End Message ---
--- Begin Message --- 
I'm closing this bug report since Till Harbaum indicated this is
probably a hardware issue.

* Till Harbaum <till@harbaum.org> [2009-02-17 12:10]:
> Hi,
> 
> You are using a heavily modified homemade version of the i2c-tiny-usb
> on some embedded arm plattform. You are even using a different
> CPU on the i2c-tiny-usb. Honestly, i don't fully understand what you expect 
> me to do? I don't even have access to your hardware. How am i supposed 
> to debug such an issue?
> 
> The origin of the problems seem to be a failing i2c-tiny-usb hardware
> or at least failing usb transfers to that device. This is a device you built
> and this is something you'll probably have to figure out yourself.
> 
> The fact that there's some nasty crash in the drivers involved in this is
> another issue. This shouldn't happen even if your modified i2c-tiny-usb 
> is unable to provide reliable USB transfers. To solve this i suggest you 
> test some things like e.g.:
> 
> a) verify that an original i2c-tiny-usb also triggers the same problem,
>   so we at least have a chance to reproduce this
> b) verify that these crashes also happen with other plattforms (e.g. a
>   standard x86 unit)
> c) verify if this also happens with different client hardware attached to
>   the i2c-tiny-usb
> d) verify that these crashes also happen with a different usb controller
>   (e.g. a ohci one versus a uhci one)
> 
> >From the oops i can only see that there's some crash that seems to
> be happening somewhere inside the i2c system. I can't even tell if
> it actually is my driver crashing. So you might want to add some 
> debug printk()'s to the functions you expect to be involved in this. This
> way you should easily be able to tell if the crash happens inside
> the i2c-tiny-usb driver or in some other part.
> 
> Till

-- 
Martin Michlmayr
http://www.cyrius.com/

--- End Message ---
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