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SubjectRe: boot failure, "DWARF2 unwinder stuck at 0xc0100199"
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. 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

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