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SubjectRe: 2.6.17-rc5-mm2
On Thu, 01 Jun 2006 21:34:37 +1200
Reuben Farrelly <reuben-lkml@reub.net> wrote:

>
>
> On 1/06/2006 8:48 p.m., Andrew Morton wrote:
> > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.17-rc5/2.6.17-rc5-mm2/
> >
> >
> > - A cfq bug was fixed in mainline, so the git-cfq tree has been restored.
> >
> > - Various lock-validator and genirq fixes have been added. Should be
> > slightly less oopsy than 2.6.17-rc5-mm1.
> >
> > - I just realised that I've been accidentally not updating the PCI tree for
> > a while. Will be restored in next -mm.
> >
> > - Has been booted and has passed various stress-tests on quad x86_64,
> > quad ancient-Xeon, quad power4, quad ia64, dual old-PIII and a modern
> > pentium-M laptop. So if it breaks, it's your fault.
>
> What an optimist if ever I've seen one ;)

Dammit.

> ...
>
> Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
> ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
> ICH7: IDE controller at PCI slot 0000:00:1f.1
> ACPI: PCI Interrupt 0000:00:1f.1[A] -> GSI 18 (level, low) -> IRQ 177
> ICH7: chipset revision 1
> ICH7: not 100% native mode: will probe irqs later
> ide0: BM-DMA at 0x30b0-0x30b7, BIOS settings: hda:DMA, hdb:pio
> hda: PIONEER DVD-RW DVR-111D, ATAPI CD/DVD-ROM drive
> ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
> ACPI (acpi_bus-0192): Device `IDES]is not power manageable [20060310]
> ACPI: PCI Interrupt 0000:00:1f.2[B] -> GSI 19 (level, low) -> IRQ 185
> ahci 0000:00:1f.2: AHCI 0001.0100 32 slots 4 ports 3 Gbps 0xf impl SATA mode
> ahci 0000:00:1f.2: flags: 64bit ncq led clo pio slum part
> ata1: SATA max UDMA/133 cmd 0xFFFFC20000016100 ctl 0x0 bmdma 0x0 irq 58
> ata2: SATA max UDMA/133 cmd 0xFFFFC20000016180 ctl 0x0 bmdma 0x0 irq 58
> ata3: SATA max UDMA/133 cmd 0xFFFFC20000016200 ctl 0x0 bmdma 0x0 irq 58

I assume you're using the ahci driver here.

> ata4: SATA max UDMA/133 cmd 0xFFFFC20000016280 ctl 0x0 bmdma 0x0 irq 58
> ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
> Unable to handle kernel NULL pointer dereference at 0000000000000000 RIP:
> [<0000000000000000>]
> PGD 0
> Oops: 0010 [1] SMP
> last sysfs file:
> CPU 0
> Modules linked in:
> Pid: 0, comm: idle Not tainted 2.6.17-rc5-mm2 #2
> RIP: 0010:[<0000000000000000>] [<0000000000000000>]
> RSP: 0000:ffffffff80660f98 EFLAGS: 00010006
> RAX: 0000000000003a00 RBX: ffffffff8090dec8 RCX: 0000000000000000
> RDX: ffffffff8090dec8 RSI: ffffffff808fe100 RDI: 000000000000003a
> RBP: ffffffff80660fb0 R08: 0000000000000001 R09: ffffffff802676aa
> R10: 0000000000000000 R11: 0000000000000000 R12: 000000000000003a
> R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
> FS: 0000000000000000(0000) GS:ffffffff808fa000(0000) knlGS:0000000000000000
> CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b
> CR2: 0000000000000000 CR3: 0000000000201000 CR4: 00000000000006e0
> Process idle (pid: 0, threadinfo ffffffff8090c000, task ffffffff80593760)
> Stack: ffffffff80270132 ffffffff8025dbb1 ffffffff8094e084 ffffffff8090def0
> ffffffff802641a9 <EOI> ff6500005d4be8fa 65c900000020250c 00000010250c8b48
> f700001fd8e98148 7400000003582444
> Call Trace:
>

And we did a jump-to-zero. I'm suspecting the sata changes.

Is this the mysterious missing ->mode_filter, perhaps? I don't think so -
we test for null there.

Should ahci.c have a data_xfer vector? Right now it's left at NULL.

>
> Code: Bad RIP value.
> RIP [<0000000000000000>] RSP <ffffffff80660f98>
> CR2: 0000000000000000
> <0>Kernel panic - not syncing: Aiee, killing interrupt handler!
> BUG: warning at kernel/lockdep.c:1853/trace_hardirqs_on()
>
> Call Trace:
> [<ffffffff8026e6ed>] show_trace+0xad/0x225
> [<ffffffff8026e87a>] dump_stack+0x15/0x1b [<ffffffff802a05da>]
> trace_hardirqs_on+0xa1/0x124
> [<ffffffff80276fec>] smp_send_stop+0x4c/0x68
> [<ffffffff8028a491>] panic+0xa7/0x220 [<ffffffff80216376>]
> do_exit+0x74/0x94f
> [<ffffffff8020b195>] do_page_fault+0x895/0x9c4
> [<ffffffff802649dd>] error_exit+0x0/0x8e
> Rebooting in 60 seconds..BUG: warning at kernel/panic.c:114/panic()
>

And here we collapsed instead of generating a backtrace. Both Ingo and the
x86_64 guys have been playing with the backtrace code.

>
> Hardware posted at http://www.reub.net/files/kernel/system-hardware

A .config would be useful too.

> Box has MSI capabilities and MSI compiled in.
>

Hopefully MSI is fixed now.

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