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Re: Module problem on amd64



This problem is known. See PR 32816.
Workaround: move or rename /stand/amd64/5.99.03 to something else,
so that no modules can be found.

Christoph


Paul Goyette wrote:
> I've built a amd64 kernel without any file systems or compat code in the
> kernel itself;  all of those options lines are commented out in the
> config file.
> 
> I've installed the new kernel and the 5.99.03/modules and the new /boot
> (from /usr/mdec/boot).
> 
> Shortly after booting, while the various /etc/rc.d/ stuff is still going
> on, the system panics.  Unfortunately, it seems to happen just as soon
> as xdm takes over the console/display.
> 
> So, I rebooted in single-user mode, and of course I needed to run fsck
> on my root partition.  During the fsck, I got the following panic:
> 
> panic: kernel diagnostic assertion "end <= VM_MAX_KERNEL_ADDRESS"
> failed: file "/build/netbsd-local/src/sys/uvm/uvm_km.c", line 473
> fatal breakpoint trap in supervisor mode
> trap type 1 code 0 rip ffffffff80151565 cs 8 rflags 246 cr2 f0cbc9 cpl 0
> rsp ffff80004bedaa90
> Stopped in pid 0.8 (system) at netbsd:breakpoint+0x5:   leave
> 0x1
> 
> A backtrace produces
> 
> breakpoint()+0x5
> panic()+0x260
> __kernassert()+0x2d
> uvm_km_pgremove_intrsafe()+0x198
> uvm_km_free()+0xb5
> kobj_unload()+0x58
> module_do_unload()+0xcd
> module_thread()+0xe9
> 
> The config file and dmesg output (from equivalent 5.99.02 boot) are
> attached.
> 
> ----------------------------------------------------------------------
> |   Paul Goyette   | PGP DSS Key fingerprint: |  E-mail addresses:   |
> | Customer Service | FA29 0E3B 35AF E8AE 6651 |  paul%whooppee.com@localhost  
>  |
> | Network Engineer | 0786 F758 55DE 53BA 7731 | 
> pgoyette%juniper.net@localhost |
> ----------------------------------------------------------------------
> 



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