Re: bug: depca_module_init() cleanup error

[Michael D. Setzer II]

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Wondering if there has been any update on this problem. I'm also getting a 
kernel panic when I include the DEPCA nic in the build. Without it, the latest 
git kernel works, but with it I get the panic. I am working on a new version of 
the g4l project, and the latest kernels are working with some hardware that 
the older ones don't, but this this fails, and I have at least 1 user that has this 
nic. I've been getting about 9000 downloads per month on the project, so 
would like to get it working. It does work with some of the older kernels on 
the iso, but if a user has this nic and hardware that requires the newer 
kernel.


On 18 Dec 2006 at 16:27, Ingo Molnar wrote:

Date sent:      	Mon, 18 Dec 2006 16:27:13 +0100
From:           	Ingo Molnar <mingo@xxxxxxx>
To:             	linux-kernel@xxxxxxxxxxxxxxx
Copies to:      	Andrew Morton <akpm@xxxxxxxx>
Subject:        	bug: depca_module_init() cleanup error

> 
> while doing an allyesconfig bootup on a PC the depca driver triggered 
> the crash below.
> 
> 	Ingo
> 
> ------------------>
> Calling initcall 0xc1ea0506: depca_module_init+0x0/0xd7()
> PM: Adding info for platform:depca.0
> depca: probe of depca.0 failed with error -16
> PM: Removing info for platform:depca.0
> kfree_debugcheck: out of range ptr 300h.
> BUG at mm/slab.c:2910!
> stopped custom tracer.
> ------------[ cut here ]------------
> kernel BUG at mm/slab.c:2910!
> invalid opcode: 0000 [#1]
> PREEMPT SMP 
> Modules linked in:
> CPU:    0
> EIP:    0060:[<c0194367>]    Not tainted VLI
> EFLAGS: 00010286   (2.6.19.1-rt16 #494)
> EIP is at kfree_debugcheck+0x52/0xa9
> eax: 0000001a   ebx: 00040000   ecx: c01356a9   edx: 00000001
> esi: 00000300   edi: 00000300   ebp: f7c21ec4   esp: f7c21eb0
> ds: 007b   es: 007b   ss: 0068   preempt: 00000001
> Process swapper (pid: 1, ti=f7c21000 task=f7c30c50 task.ti=f7c21000)
> Stack: c14f9371 c150c05d 00000b5e f772aea0 c1fd4ea0 f7c21ee8 c01953b2 00000300 
>        fffffff0 f772b080 00000000 f772aea0 f772b080 c1902880 f7c21ef8 c06e3d0e 
>        00000300 c19029f0 f7c21f0c c06dfcd9 f772aea8 c06dfe6e f772b080 f7c21f28 
> Call Trace:
>  [<c0106273>] show_trace_log_lvl+0x34/0x4a
>  [<c0106332>] show_stack_log_lvl+0xa9/0xb9
>  [<c010663e>] show_registers+0x1f5/0x290
>  [<c0106a3b>] die+0x1de/0x2db
>  [<c13deb95>] do_trap+0xac/0xca
>  [<c0106f73>] do_invalid_op+0xae/0xb8
>  [<c13de8a1>] error_code+0x39/0x40
>  [<c01953b2>] kfree+0x42/0xce
>  [<c06e3d0e>] platform_device_release+0x1e/0x38
>  [<c06dfcd9>] device_release+0x36/0x6b
>  [<c04f091c>] kobject_cleanup+0x4d/0x74
>  [<c04f095a>] kobject_release+0x17/0x19
>  [<c04f0f7a>] kref_put+0x5b/0x69
>  [<c04f02b6>] kobject_put+0x24/0x26
>  [<c06dfe6e>] put_device+0x1d/0x1f
>  [<c06e3cee>] platform_device_put+0x1b/0x1d
>  [<c1ea0598>] depca_module_init+0x92/0xd7
>  [<c0100567>] init+0x178/0x451
>  [<c0105feb>] kernel_thread_helper+0x7/0x10
>  =======================
> Code: 24 e7 c3 50 c1 e8 00 17 fa ff e8 49 08 fd ff c7 44 24 08 5e 0b 00 00 c7 44 24 04 5d c0 50 c1 c7 04 24 71 93 4f c1 e8 df 16 fa ff <0f> 0b 5e 0b 5d c0 50 c1 6b c3 74 03 05 10 f2 35 c2 8b 00 84 c0 
> EIP: [<c0194367>] kfree_debugcheck+0x52/0xa9 SS:ESP 0068:f7c21eb0
>  <0>Kernel panic - not syncing: Attempted to kill init!
>  [<c0106273>] show_trace_log_lvl+0x34/0x4a
>  [<c01063a9>] show_trace+0x2c/0x2e
>  [<c01063d6>] dump_stack+0x2b/0x2d
>  [<c0134c93>] panic+0x67/0x124
>  [<c0137a0d>] do_exit+0xb8/0x9ed
>  [<c0106b30>] die+0x2d3/0x2db
>  [<c13deb95>] do_trap+0xac/0xca
>  [<c0106f73>] do_invalid_op+0xae/0xb8
>  [<c13de8a1>] error_code+0x39/0x40
>  [<c01953b2>] kfree+0x42/0xce
>  [<c06e3d0e>] platform_device_release+0x1e/0x38
>  [<c06dfcd9>] device_release+0x36/0x6b
>  [<c04f091c>] kobject_cleanup+0x4d/0x74
>  [<c04f095a>] kobject_release+0x17/0x19
>  [<c04f0f7a>] kref_put+0x5b/0x69
>  [<c04f02b6>] kobject_put+0x24/0x26
>  [<c06dfe6e>] put_device+0x1d/0x1f
>  [<c06e3cee>] platform_device_put+0x1b/0x1d
>  [<c1ea0598>] depca_module_init+0x92/0xd7
>  [<c0100567>] init+0x178/0x451
>  [<c0105feb>] kernel_thread_helper+0x7/0x10
>  =======================
>  
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