On Thu, 18 Sep 2003, Brad Knowles wrote:
> At 4:47 PM -0700 2003/09/17, Doug White wrote:
>
> > This came up at the developer summit. We do need to upgrade/make
> > significant changes to gdb for it to understand threaded debugging. The
> > panics might be interesting as it might be tickling
At 4:47 PM -0700 2003/09/17, Doug White wrote:
This came up at the developer summit. We do need to upgrade/make
significant changes to gdb for it to understand threaded debugging. The
panics might be interesting as it might be tickling other issues, but
before we can really debug threaded ap
On Tue, 16 Sep 2003, Morten Rodal wrote:
> So this brings up the question, is there a known problem with
> debugging multi-threaded applications (which use libkse) that can
> cause a panic? I will bring home my laptop, and will be able to use a
> serial debugger if that would help anyone willing
w copying" to see the conditions.
There is absolutely no warranty for GDB. Type "show warranty" for details.
This GDB was configured as "i386-undermydesk-freebsd"...
panic: absolutely cannot call smp_ipi_shootdown with interrupts already disabled
panic messages:
---
rmydesk-freebsd"...
panic: absolutely cannot call smp_ipi_shootdown with interrupts already disabled
panic messages:
---
panic: absolutely cannot call smp_ipi_shootdown with interrupts already disabled
cpuid = 1; lapic.id =
Stack backtrace:
boot() called on cpu#1
syncing disks, buffers remaini
Peter Wemm writes:
> Eww! Care to confirm that the following works? I was going to just commit
> it since it is pretty obvious, but a brief sanity check would probably
> be an idea. (beware, xterm cut/paste whitespace damage).
>
> ddb runs with interrupts disabled and the other cpus halt
device 1.0 on pci1
>
> Debugger("here") # breakpoint I put in my module's load path
>
> Stopped at Debugger+0x55: xchgl %ebx,in_Debugger.0
> db> break generic_bzero
> db> c
> panic: absolutely cannot call smp_ipi_shootdown with interrupts
> alre
eak generic_bzero
db> c
panic: absolutely cannot call smp_ipi_shootdown with interrupts
already disabled
cpuid = 1; lapic.id = 0100
boot() called on cpu#1
syncing disks... panic: bremfree: bp 0xce67d2b4 not locked
cpuid = 1; lapic.id = 0100
boot() called on cpu#1
Uptime: 2m9s
Dumping 511
