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    SubjectRe: 2.6.18-mm1
    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?
    -
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