Invalidate_dcache_range causes crash in non-cacheable area

2008-06-03 Thread Franca, Jose (NSN - PT/Portugal - MiniMD)
Hello Community! I'm using 8MB of memory for DMA and that space is configured has non-cacheable. At a certain point in the code, data is copied to be processed from that area. In the function that copies, there was an invalidate_dcache_range for the all DMA area. This function crashed my l

RE: SKB corruption on heavy traffic

2008-05-05 Thread Franca, Jose (NSN - PT/Portugal - MiniMD)
Matvejchikov Ilya [mailto:[EMAIL PROTECTED] Sent: sábado, 3 de Maio de 2008 15:08 To: [EMAIL PROTECTED] Cc: Franca, Jose (NSN - PT/Portugal - MiniMD); linuxppc-dev@ozlabs.org; [EMAIL PROTECTED] Subject: Re: SKB corruption on heavy traffic Hi all! The same problem! I've tried 2.4.xx and 2

RE: SKB corruption on heavy traffic

2008-04-30 Thread Franca, Jose (NSN - PT/Portugal - MiniMD)
.6 kernels. Filipe -Original Message- From: ext Scott Wood [mailto:[EMAIL PROTECTED] Sent: quarta-feira, 30 de Abril de 2008 16:01 To: Franca, Jose (NSN - PT/Portugal - MiniMD) Cc: linuxppc-dev@ozlabs.org; [EMAIL PROTECTED] Subject: Re: SKB corruption on heavy traffic On Wed, Apr 30, 200

RE: FW: SKB corruption on heavy traffic

2008-04-30 Thread Franca, Jose (NSN - PT/Portugal - MiniMD)
ts on this? Regards! Filipe. -Original Message- From: ext Gerhard Pircher [mailto:[EMAIL PROTECTED] Sent: quarta-feira, 30 de Abril de 2008 13:26 To: Franca, Jose (NSN - PT/Portugal - MiniMD); Scott Wood Cc: [EMAIL PROTECTED]; linuxppc-dev@ozlabs.org Subject: Re: FW: SKB corruption on

FW: SKB corruption on heavy traffic

2008-04-30 Thread Franca, Jose (NSN - PT/Portugal - MiniMD)
>From our latest debugs we found that the problem occurs mainly on skbuff code. >After some variable time kfree or kalloc result in kernel oops. -Original Message- From: Franca, Jose (NSN - PT/Portugal - MiniMD) Sent: quarta-feira, 30 de Abril de 2008 9:44 To: 'ext Sco

RE: SKB corruption on heavy traffic

2008-04-30 Thread Franca, Jose (NSN - PT/Portugal - MiniMD)
--Original Message- From: ext Scott Wood [mailto:[EMAIL PROTECTED] Sent: terça-feira, 29 de Abril de 2008 20:15 To: Franca, Jose (NSN - PT/Portugal - MiniMD) Cc: linuxppc-dev@ozlabs.org; [EMAIL PROTECTED] Subject: Re: SKB corruption on heavy traffic On Tue, Apr 29, 2008 at 07:39:07PM +0100, Franca,