Re: slap corruption

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Tue, May 19, 2009 at 4:56 AM, Guzman Lugo, Fernando <x0095840@xxxxxx> wrote:
>
>
>
> Hi everyone,
>
> We have been looking into the Slab Corruption error and we have found the problem occurs after an application has been terminated abnormally, e.g. Using CTL-C or Segmentation Fault or kill.
>
> The issue is observed not only for DMM test cases but for others test cases that don't use DMM.
>
> The problem is reported by 'slab.c' when a slab object which is inactive, it supposed to be filled with POISON_FREE (6b) and has some 00 within the object, this seems to be corrupted.
>
> Slab corruption: size-64 start=c6bc71e0, len=64
> <3>Redzone: 0x9f911029d74e35b/0x9f911029d74e35b.
> Redzone: 0x9f911029d74e35b/0x9f911029d74e35b.
> <3>Last user: [<bf063464>]Last user: [<bf063464>](MEM_Free+0x9c/0xe0 [bridgedriv
> er])(MEM_Free+0x9c/0xe0 [bridgedriver])
>
> <3>010:010: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
>  6b 00 00 00 00 00 00 00 00
>
>
> it seems it is not being freed correctly, because instead of being filled only with 6b it has 00 maybe other process is overwriting it.
>
> Does anyone have any idea of what can be happening?

Looping Hiroshi who is working on a similar issue... perhaps the same?

-- 
Felipe Contreras
--
To unsubscribe from this list: send the line "unsubscribe linux-omap" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html

[Index of Archives]     [Linux Arm (vger)]     [ARM Kernel]     [ARM MSM]     [Linux Tegra]     [Linux WPAN Networking]     [Linux Wireless Networking]     [Maemo Users]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite Trails]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux