AF:
NF:0
PS:10
SRH:1
SFN:
DSR:
MID:
CFG:
PT:0
S:andy.sharp@lsi.com
RQ:
SSV:mhbs.lsil.com
NSV:
SSH:
R:<Maxim.Kozlovsky@lsi.com>,<Bill.Fisher@lsi.com>,<Andy.Sharp@lsi.com>,<Rendell.Fong@lsi.com>,<Brian.Stark@lsi.com>
MAID:2
X-Sylpheed-Privacy-System:
X-Sylpheed-Sign:0
SCF:#mh/Mailbox/sent
RMID:#imap/LSI/INBOX	0	861DA0537719934884B3D30A2666FECC010E178413@cosmail02.lsi.com
X-Sylpheed-End-Special-Headers: 1
Date: Thu, 18 Feb 2010 17:20:21 -0800
From: Andrew Sharp <andy.sharp@lsi.com>
To: "Kozlovsky, Maxim" <Maxim.Kozlovsky@lsi.com>
Cc: "Fisher, Bill" <Bill.Fisher@lsi.com>, "Sharp, Andy"
 <Andy.Sharp@lsi.com>, "Fong, Rendell" <Rendell.Fong@lsi.com>, "Stark,
 Brian" <Brian.Stark@lsi.com>
Subject: Re: kernel crash with CONFIG_SLAB_DEBUG
Message-ID: <20100218172021.22ebb109@ripper.onstor.net>
In-Reply-To: <861DA0537719934884B3D30A2666FECC010E178413@cosmail02.lsi.com>
References: <861DA0537719934884B3D30A2666FECC010E178413@cosmail02.lsi.com>
Organization: LSI
X-Mailer: Sylpheed-Claws 2.6.0 (GTK+ 2.8.20; x86_64-pc-linux-gnu)
Mime-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 7bit

Sounds good to me.

On Thu, 18 Feb 2010 18:00:40 -0700 "Kozlovsky, Maxim"
<Maxim.Kozlovsky@lsi.com> wrote:

> Hello,
> 
> FYI: I enabled CONFIG_SLAB_DEBUG and got immediate kernel crash on
> txrx. We should probably keep this option enabled all the time for
> now. This probably explains why I am getting random kernel crashes
> whenever I start the SSC applications.
> 
> Max
> 
> tuxrx0 login: eee_rcv: DST NCPU 1, NO USER Socket Found, Dropping
> Pkt, app_id 41, dp 0x40001029, sp 0x40000029
> eee_forwardRemoteFpPktUni: NO_FP_PKT_FWD Support, DROPPING Pkt; dp
> 0x40071029, slot_id 1, cpu_id 7, app_id 41 eee_doTransmit:
> EEE_DROP_PACKET, eee_freePacket(), edesc 0xa8000001ff1a3688 slab
> error in verify_redzone_free(): cache `size-192': memory outside
> object was overwritten Call Trace: [<ffffffff83008570>]
> dump_stack+0x8/0x38 [<ffffffff83085e3c>]
> cache_free_debugcheck+0x1e4/0x278 [<ffffffff83086118>]
> kfree+0xd8/0x1a8 [<ffffffff8323d890>] eee_freePacket+0x148/0x208
> [<ffffffff8323e94c>] eee_doTransmit+0x11c/0x168 [<ffffffff8323f2c8>]
> eee_forwardPacket+0xb8/0x2c8 [<ffffffff832402f8>]
> eee_rcv_pkt+0xd8/0x180 [<ffffffff8322ddd8>] eee_rcv+0x2e8/0x5d8
> [<ffffffff8319f88c>] process_backlog+0xec/0x220
> [<ffffffff8319fa9c>] net_rx_action+0xdc/0x258
> [<ffffffff83031994>] __do_softirq+0xc4/0x1a8
> [<ffffffff83031b18>] do_softirq+0xa0/0xa8
> [<ffffffff83002940>] ret_from_irq+0x0/0x4
> [<ffffffff83004aac>] cpu_idle+0x24/0x68
> [<ffffffff8334ae10>] start_kernel+0x410/0x4a0
> 
