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From: Vladimir Oltean <olteanv@gmail.com>
To: Asmaa Mnebhi <asmaa@nvidia.com>
Cc: "davem@davemloft.net" <davem@davemloft.net>,
	"edumazet@google.com" <edumazet@google.com>,
	"kuba@kernel.org" <kuba@kernel.org>,
	"pabeni@redhat.com" <pabeni@redhat.com>,
	"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
	"sridhar.samudrala@intel.com" <sridhar.samudrala@intel.com>,
	"maciej.fijalkowski@intel.com" <maciej.fijalkowski@intel.com>,
	David Thompson <davthompson@nvidia.com>
Subject: Re: [PATCH net v4 1/1] mlxbf_gige: Fix kernel panic at shutdown
Date: Sat, 22 Jul 2023 02:29:07 +0300	[thread overview]
Message-ID: <20230721232907.mzi34kirl236wxfp@skbuf> (raw)
In-Reply-To: <CH2PR12MB38953C0288EB343ABC8B250ED73FA@CH2PR12MB3895.namprd12.prod.outlook.com>

On Fri, Jul 21, 2023 at 11:27:10PM +0000, Asmaa Mnebhi wrote:
> > > [  285.126250] mlxbf_gige MLNXBF17:00: shutdown [  285.130669] Unable
> > > to handle kernel NULL pointer dereference at virtual address
> > > 0000000000000070 [  285.139447] Mem abort info:
> > > [  285.142228]   ESR = 0x0000000096000004
> > > [  285.145964]   EC = 0x25: DABT (current EL), IL = 32 bits
> > > [  285.151261]   SET = 0, FnV = 0
> > > [  285.154303]   EA = 0, S1PTW = 0
> > > [  285.157430]   FSC = 0x04: level 0 translation fault
> > > [  285.162293] Data abort info:
> > > [  285.165159]   ISV = 0, ISS = 0x00000004
> > > [  285.168980]   CM = 0, WnR = 0
> > > [  285.171932] user pgtable: 4k pages, 48-bit VAs,
> > > pgdp=000000011d373000 [  285.178358] [0000000000000070]
> > > pgd=0000000000000000, p4d=0000000000000000 [  285.185134] Internal
> > > error: Oops: 96000004 [#1] SMP
> > 
> > That is not a stack trace. The stack trace is what appears between the lines "Call
> > trace:" and "---[ end trace 0000000000000000 ]---", and it is missing from what
> > you've posted.
> > 
> > It would be nice if you could also post-process the stack trace you get through
> > the command below (run in a kernel tree):
> > 
> > cat stack_trace | scripts/decode_stacktrace.sh path/to/vmlinux .
> > 
> > so that we could see the actual C code line numbers, and not just the offsets
> > within your particular binary image.
> 
> Hi Vladimir,
> 
> Do you want me to just send it as a reply or send a v5 and add it to the commit message?

As a reply, for now, please. I haven't requested any changes to the patch.

  reply	other threads:[~2023-07-21 23:29 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-07-21 14:19 [PATCH net v4 1/1] mlxbf_gige: Fix kernel panic at shutdown Asmaa Mnebhi
2023-07-21 15:02 ` Vladimir Oltean
2023-07-21 19:06   ` Asmaa Mnebhi
2023-07-21 22:32     ` Vladimir Oltean
2023-07-21 23:27       ` Asmaa Mnebhi
2023-07-21 23:29         ` Vladimir Oltean [this message]
2023-07-26 16:27 ` Jakub Kicinski
2023-08-08 17:45   ` Asmaa Mnebhi

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