Re: 2.6.18-mm1

[Andrew Morton <akpm@osdl.org>]

On Wed, 27 Sep 2006 10:25:40 +0100
Andy Whitcroft <apw@shadowen.org> wrote:

> Ok.  Now that we've got past the linker changes breaking down under
> older tool chains I am getting following panic on boot.  The machine has
> one of these, other machines do seem to boot:
> 
> 0000:02:04.0 SCSI storage controller: LSI Logic / Symbios Logic 53c1030
> PCI-X Fusion-MPT Dual Ultra320 SCSI (rev 07)
> 
> It appears that this driver is unchanged between 2.6.18 and -mm1.
> 2.6.18 boots just fine.  Odd.
> 
> Any suggestions?
> 
> -apw
> 
> mptbase: Initiating ioc0 bringup
> ioc0: 53C1030: Capabilities={Initiator}
> mptbase: Initiating ioc0 recovery
> Unable to handle kernel NULL pointer dereference at 0000000000000500 RIP:
>  [<ffffffff803fadfb>] mptspi_dv_renegotiate_work+0x10/0x4a
> PGD 0
> Oops: 0000 [1] SMP
> last sysfs file:
> CPU 0
> Modules linked in:
> Pid: 14, comm: events/0 Not tainted 2.6.18-mm1-autokern1 #1
> RIP: 0010:[<ffffffff803fadfb>]  [<ffffffff803fadfb>]
> mptspi_dv_renegotiate_work+0x10/0x4a
> RSP: 0000:ffff8101000e1e20  EFLAGS: 00010282
> RAX: 0000000000000001 RBX: ffff810001fe6940 RCX: 000000000000001f
> RDX: 0000000000000000 RSI: ffff810001fe6940 RDI: 0000000000001fe6
> RBP: ffff8101000e1e30 R08: ffff8101000e0000 R09: 0000000000000011
> R10: ffff810001014820 R11: ffff810001014820 R12: 0000000000000500
> R13: ffff810001ef1640 R14: 0000000000000206 R15: ffff810001fe6940
> FS:  0000000000000000(0000) GS:ffffffff80582000(0000) knlGS:0000000000000000
> CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
> CR2: 0000000000000500 CR3: 0000000000201000 CR4: 00000000000006e0
> Process events/0 (pid: 14, threadinfo ffff8101000e0000, task
> ffff8100816b1040)
> Stack:  ffff810001fe6940 ffff810001fe6948 ffff8101000e1e70 ffffffff80239163
>  ffffffff803fadeb ffff810001ef1640 ffff810001f0dd40 ffffffff802391a7
>  00000000fffffffc ffffffff804b08d4 ffff8101000e1f00 ffffffff8023929a
> Call Trace:
>  [<ffffffff80239163>] run_workqueue+0xa2/0xe6
>  [<ffffffff803fadeb>] mptspi_dv_renegotiate_work+0x0/0x4a
>  [<ffffffff802391a7>] worker_thread+0x0/0x126
>  [<ffffffff8023929a>] worker_thread+0xf3/0x126
>  [<ffffffff80224de3>] default_wake_function+0x0/0xf
>  [<ffffffff80224de3>] default_wake_function+0x0/0xf
>  [<ffffffff802391a7>] worker_thread+0x0/0x126
>  [<ffffffff8023c304>] kthread+0xd0/0xfc
>  [<ffffffff8020a658>] child_rip+0xa/0x12
>  [<ffffffff8023c234>] kthread+0x0/0xfc
>  [<ffffffff8020a64e>] child_rip+0x0/0x12
> 
> 
> Code: 49 8b 04 24 31 f6 48 8b b8 48 01 00 00 e8 5f 8f fe ff 48 85
> RIP  [<ffffffff803fadfb>] mptspi_dv_renegotiate_work+0x10/0x4a
>  RSP <ffff8101000e1e20>
> CR2: 0000000000000500

There are mpt-fusion changes in 2.6.18-mm1, but afaict they're in mainline
now.  Do you know if current -linus works OK?