Hi Hiroshi, Yes, I can reproduce this running the ping.out sample, this are the steps: # insmod dspbridge.ko # insmod bridgedriver.ko # ./cexec.out ddspbase_tiomap3430.dof64P # ./ping.out 100 ^C # ./ping.out 10 Thanks and regards, Fernando. -----Original Message----- From: Hiroshi DOYU [mailto:Hiroshi.DOYU@xxxxxxxxx] Sent: Tuesday, May 19, 2009 6:27 AM To: felipe.contreras@xxxxxxxxx Cc: Guzman Lugo, Fernando; Kanigeri, Hari; Gupta, Ramesh; Menon, Nishanth; Ramirez Luna, Omar; Kargirwar, Pankaj; linux-omap@xxxxxxxxxxxxxxx Subject: Re: slap corruption From: ext Felipe Contreras <felipe.contreras@xxxxxxxxx> Subject: Re: slap corruption Date: Tue, 19 May 2009 11:47:11 +0200 > 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? Thanks;) Maybe the same one, I guess. > > -- > 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
