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    SubjectRe: 2.6.18-mm1
    Andrew Morton wrote:
    > 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?

    Arse, it seems that the other problem that we are talking about on this
    machine also just got pushed up to mainline (2.6.18-git7) so it
    currently doesn't compile.

    Will try the same fix on that I used on -mm1 and see if it fixes that.

    -apw
    -
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