Re: boot failure, "DWARF2 unwinder stuck at 0xc0100199"

["J. Bruce Fields" <bfields@fieldses.org>]

On Tue, Aug 22, 2006 at 01:42:51PM -0400, J. Bruce Fields wrote:
> On Tue, Aug 22, 2006 at 10:01:36AM +0200, Andi Kleen wrote:
> > On Tuesday 22 August 2006 06:20, Andrew Morton wrote:
> > > Has anyone even tried to reproduce Bruce's crash?
> > 
> > I looked at it a bit, but it puzzles me. The chaining for the interrupt stacks
> > on i386 -- which is what seems to be corrupted here -- shouldn't have changed at all 
> > by the unwinder changes.
> > 
> > I suspect it would crash without unwinder too. Bruce, do you get the 
> > same crash when you boot with "call_trace=old" ? 
> 
> After appending "call_trace=old" to the boot commandline, and it booted
> succesfully.

Do you consider this closed, or do you need more information from me?

--b.

> It had the following warning at what I suspect was the
> same place the boot stopped before:
> 
> ide-scsi is deprecated for cd burning! Use ide-cd and give dev=/dev/hdX as device
> scsi0 : SCSI host adapter emulation for IDE ATAPI devices
> BUG: warning at kernel/lockdep.c:1803/trace_hardirqs_on()
>  [<c0103df6>] show_trace+0x16/0x20
>  [<c0103ecb>] dump_stack+0x1b/0x20
>  [<c012e997>] trace_hardirqs_on+0xf7/0x130
>  [<c0445e63>] idescsi_pc_intr+0x63/0x450
>  [<c042fe5c>] ide_intr+0x7c/0x1d0
>  [<c013a727>] handle_IRQ_event+0x27/0x60
>  [<c013a7f4>] __do_IRQ+0x94/0x110
>  [<c0104cba>] do_IRQ+0xaa/0xf0
>  [<c0103105>] common_interrupt+0x25/0x30
>  [<c010d6c9>] apm_cpu_idle+0x1e9/0x270
>  [<c010163c>] cpu_idle+0x2c/0x80
>  [<c0100507>] rest_init+0x37/0x40
>  [<c0823756>] start_kernel+0x266/0x2b0
>  [<c0100199>] 0xc0100199
>   Vendor: PIONEER   Model: DVD-ROM DVD-116   Rev: 1.22
>   Type:   CD-ROM                             ANSI SCSI revision: 00
> sr0: scsi-1 drive
> Uniform CD-ROM driver Revision: 3.20
> sr 0:0:0:0: Attached scsi CD-ROM sr0
> sr 0:0:0:0: Attached scsi generic sg0 type 5
> ...
> 
> --b.
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