From owner-freebsd-usb@FreeBSD.ORG  Thu Jan 13 20:31:23 2005
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Date: Thu, 13 Jan 2005 12:31:22 -0800
From: Julian Elischer <julian@elischer.org>
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To: Mark Ovens <marko@freebsd.org>
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cc: freebsd-usb@freebsd.org
Subject: Re: USB camera causing OS crash?
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I MFC'd a relevent fix on Dec 31. Yuo may have just messed it
(depending on when you got your sources)
what revision is your ugen.c?

you want 1.88.2.2

Mark Ovens wrote:

>>
>
> Here's the ouput when it panics:
>
> WARNING: Driver mistake: destroy_dev on 0/0
> panic: don't do that
> cpuid = 0
> KDB: stack backtrace:
> kdb_backtrace(c076d635,0,c0757f6f,e9b559e0,5) at kdb_backtrace+0x2e
> panic(c0757f6f,0,0,1,c2bac000) at panic+0x128
> idestroy_dev(c07b7b50,e9b55a10,c04ff092,c07b7b50,3) at idestroy_dev+0x42
> destroy_dev(c07b7b50,3,0,e9b55a50,c04ff2cc) at destroy_dev+0x16
> ugen_destroy_devnodes(c2bac000,2,2,1,c23db830) at 
> ugen_destroy_devnodes+0x52
> ugen_set_config(c2bac000,1,180,c3000640,c301c108) at 
> ugen_set_config+0x22c
> ugen_do_ioctl(c2bac000,0,80045565,e9b55c54,3,c3000640) at 
> ugen_do_ioctl+0x253
> ugenioctl(c07b7c38,80045565,e9b55c54,3,c3000640) at ugenioctl+0x5f
> spec_ioctl(e9b55b7c,e9b55c28,c05e23c5,e9b55b7c,e0e8c330) at 
> spec_ioctl+0x16e
> spec_vnoperate(e9b55b7c,e0e8c330,c2f15dd0,10,bfca6ff8) at 
> spec_vnoperate+0x18
> vn_ioctl(c2f15dd0,80045565,e9b55c54,c2b41b80,c3000640) at vn_ioctl+0x195
> ioctl(c3000640,e9b55d14,c,c3000640,c27a1bb8) at ioctl+0x6a8
> syscall(2f,2f,2f,8369200) at syscall+0x300
> Xint0x80_syscall() at Xint0x80_syscall+0x1f
> --- syscall (54, FreeBSD ELF32, ioctl), eip = 0x298f19cf, esp = 
> 0xbfaeb394, ebp = oxbfaeb3c0 ---
> KDB: enter: panic
> [thread pid 678 tid 100184 ]
> Stopped at      kbd_enter+0x30: leave
> db>
>
>
> Regards,
>
> Mark
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