[Cbe-oss-dev] kernel exception on ps3

Jeremy Kerr jk at ozlabs.org
Tue Apr 10 13:23:30 EST 2007


Martin,

> Badness at arch/powerpc/platforms/cell/spufs/inode.c:371

This backtrace shows a warning in inode.c, but it isn't fatal, and is 
only reported when your application exits before destroying the SPE 
contexts. It's a known bug (we're working on it), but is safe to ignore 
for now.

Are you having any other problems with your app? If so, could you also 
include:

* the source of send_to_spu(), and how it determines the address to
  send the message to
* whether your kernel is built with CONFIG_PPC_64K_PAGES
* the version of libspe that you're using

Cheers,


Jeremy
> Apr  9 07:40:46 ps3 
> kernel: Call Trace:
> Apr  9 07:40:46 ps3 kernel: [C0006C006124B350] [C00000000000F27C]
> .show_stack+0x68/0x1b0 (unreliable) Apr  9 07:40:46 ps3 kernel:
> [C0006C006124B3F0] [C00000000017D670] .report_bug+0x94/0xe8 Apr  9
> 07:40:46 ps3 kernel: [C0006C006124B480] [C00000000001EF24]
> .program_check_exception+0x138/0x570 Apr  9 07:40:46 ps3 kernel:
> [C0006C006124B550] [C0000000000044FC] program_check_common+0xfc/0x100
> Apr  9 07:40:46 ps3 kernel: --- Exception: 700 at
> .spufs_gang_close+0x2c/0x58 Apr  9 07:40:46 ps3 kernel:     LR =
> .spufs_gang_close+0x2c/0x58 Apr  9 07:40:46 ps3 kernel:
> [C0006C006124B8D0] [C0000000000A05E0] .__fput+0x114/0x204 Apr  9
> 07:40:46 ps3 kernel: [C0006C006124B980] [C00000000009CEC4]
> .filp_close+0xac/0xd4 Apr  9 07:40:46 ps3 kernel: [C0006C006124BA10]
> [C0000000000471F8] .put_files_struct+0xb4/0x13c Apr  9 07:40:46 ps3
> kernel: [C0006C006124BAB0] [C000000000048BC4] .do_exit+0x274/0x8b4
> Apr  9 07:40:46 ps3 kernel: [C0006C006124BB70] [C0000000000492B8]
> .sys_exit_group+0x0/0x8 Apr  9 07:40:46 ps3 kernel:
> [C0006C006124BC00] [C0000000000544A8]
> .get_signal_to_deliver+0x3dc/0x42c Apr  9 07:40:46 ps3 kernel:
> [C0006C006124BCB0] [C000000000016948] .do_signal+0xa4/0x88c Apr  9
> 07:40:46 ps3 kernel: [C0006C006124BE30] [C000000000008BF0]
> do_work+0x28/0x2c
>
>
>
>
> Martin Schreiber
> Im Muehltal 48
> 91171 Greding
> - Germany -
>
> http://www.martin-schreiber.net
> SchreiberX at Altmuehlnet.de
>
>
>
>  --
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>
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> Martin Schreiber
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