[linux-dvb] ifconfig locks on down - B2C2 flexcop.

Johannes Stezenbach js at linuxtv.org
Wed Jul 13 13:01:44 CEST 2005


stonewall at inebraska.com wrote:
> Actually, yes, there is another process with dvb_*, and szap is running (as 
> it's supposed to be):
> 
> szap          S 00000008     0  8099      1                8101 (NOTLB)
> f7295f30 00000086 f7295f20 00000008 00000001 c2000f60 c1fcf060 c03d1c00
>        c2000f60 c03d1c00 f7295ef8 700224f8 00000008 c0503020 f7295f08 c2000520
>        00000000 0001ae35 53896652 0000026b c2000f60 f7da4020 f7da4144 00000000
> Call Trace:
>  [<c037223c>] schedule_timeout+0x6c/0xc0
>  [<c0128d2e>] sys_nanosleep+0xde/0x160
>  [<c01033b9>] syscall_call+0x7/0xb
> 
> -and-
> 
> kdvb-fe-0     S 00000008     0  8101      1          8099  7994 (L-TLB)
> f7fcbf0c 00000046 f7fcbefc 00000008 00000001 00000002 f7f10328 c03d1c00
>        f7fca000 f7fcbed8 f8df4f67 f7f10328 f7fcbf14 00000002 f7fcbee4 c2000520
>        00000000 00005fa2 6a8f135b 0000026b c2000f60 f7d9a540 f7d9a664 00000000
> Call Trace:
>  [<c037223c>] schedule_timeout+0x6c/0xc0
>  [<f8f210be>] dvb_frontend_thread+0x14e/0x4f0 [dvb_core]
>  [<c01014d5>] kernel_thread_helper+0x5/0x10
> 
> Does this help? - I wish I knew what I was looking for . . . 

None of these should hold the mutex that ifconfig is blocked on.

Johannes




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