Subject: panic when compiling kernel
To: None <>
From: Christian Groessler <>
List: port-alpha
Date: 06/20/2002 13:51:43

I just updated the kernel on my AS to -current, the last one was from

When I tried to recompile the kernel with the new kernel running, I

CPU 0: fatal kernel trap:

CPU 0    trap entry = 0x2 (memory management fault)
CPU 0    a0         = 0x78
CPU 0    a1         = 0x1
CPU 0    a2         = 0x0
CPU 0    pc         = 0xfffffc00004cfee4
CPU 0    ra         = 0xfffffc00004d0124
CPU 0    pv         = 0xfffffc000050ae00
CPU 0    curproc    = 0x0

panic: trap
Stopped at      cpu_Debugger+0x4:       ret     zero,(ra)
db> trace
cpu_Debugger() at cpu_Debugger+0x4
panic() at panic+0x168
trap() at trap+0x5fc
XentMM() at XentMM+0x20
--- memory management fault (from ipl 3) ---
tulip_tx_intr() at tulip_tx_intr+0x284
tulip_intr_handler() at tulip_intr_handler+0x5b8
tulip_intr_normal() at tulip_intr_normal+0x1c
alpha_shared_intr_dispatch() at alpha_shared_intr_dispatch+0x6c
sio_iointr() at sio_iointr+0x68
interrupt() at interrupt+0x2ac
XentInt() at XentInt+0x1c
--- interrupt (from ipl 0) ---
idle() at idle+0x48
mi_switch() at mi_switch+0x238
ltsleep() at ltsleep+0x384
uvn_findpage() at uvn_findpage+0xd4
uvn_findpages() at uvn_findpages+0x130
genfs_getpages() at genfs_getpages+0x454
nfs_getpages() at nfs_getpages+0x1e4
end() at 0xfffffc0000683e58
--- root of call graph ---

Any ideas? /usr/src was mounted over nfs.