Date: Tue, 5 Mar 2002 08:08:01 +0100 From: Wilko Bulte <wkb@freebie.xs4all.nl> To: freebsd-current@FreeBSD.ORG, freebsd-alpha@FreeBSD.ORG Subject: Re: blockable sleep panic on Alpha / current Message-ID: <20020305080801.D5099@freebie.xs4all.nl> In-Reply-To: <20020304191303.A2288@freebie.xs4all.nl>; from wkb@freebie.xs4all.nl on Mon, Mar 04, 2002 at 07:13:03PM %2B0100 References: <20020304191303.A2288@freebie.xs4all.nl>
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On Mon, Mar 04, 2002 at 07:13:03PM +0100, Wilko Bulte wrote:
Another one, appears to be identical. No dump, no kernel debugger
unfortunately. The kernel has WITNESS enabled too. I'll try to catch a dump
if that is helpful to someone?
Wilko
FreeBSD/alpha (ds10.wbnet) (ttyd0)
login: panic: blockable sleep lock (sleep mutex) Giant @
../../../alpha/alpha/tr
ap.c:482
cpuid = 0; panic
Stopped at
fatal kernel trap:
trap entry = 0x2 (memory management fault)
cpuid = 0
faulting va = 0x60
type = access violation
cause = load instructon
pc = 0xfffffc000050b220
ra = 0xfffffc000050b218
sp = 0xfffffe000e22c450
usp = 0x11fff0a8
curthread = 0xfffffe000e107d00
pid = 44138, comm = cc
Stopped at
fatal kernel trap:
trap entry = 0x2 (memory management fault)
cpuid = 0
faulting va = 0x60
type = access violation
cause = load instructon
pc = 0xfffffc000050b220
ra = 0xfffffc000050b218
sp = 0xfffffe000e22b9c8
usp = 0x11fff0a8
curthread = 0xfffffe000e107d00
pid = 44138, comm = cc
Stopped at
fatal kernel trap:
trap entry = 0x2 (memory management fault)
cpuid = 0
faulting va = 0x60
type = access violation
cause = load instructon
pc = 0xfffffc000050b220
ra = 0xfffffc000050b218
sp = 0xfffffe000e22af40
usp = 0x11fff0a8
curthread = 0xfffffe000e107d00
pid = 44138, comm = cc
Stopped at
halted CPU 0
halt code = 2
kernel stack not valid halt
PC = fffffc00004231ec
>>>
> During a make release I just got a panic. The build progressed until:
>
> gzip -cn /usr/src/lib/libc/../libc/stdlib/imaxabs.3 > imaxabs.3.gz
> gzip -cn /usr/src/lib/libc/../libc/stdlib/imaxdiv.3 > imaxdiv.3.gz
> gzip -cn /usr/src/lib/libc/../libc/stdlib/labs.3 > labs.3.gz
>
> The running system is a -current as of today.
>
> The panic:
>
> login:
> FreeBSD/alpha (ds10.wbnet) (ttyd0)
>
> login: panic: blockable sleep lock (sleep mutex) Giant @
> ../../../alpha/alpha/tr
> ap.c:482
> cpuid = 0; panic
> Stopped at Debugger+0x34: zapnot v0,#0xf,a0 <v0=0x7,a0=0x6>
> db>
> db> trace
> Debugger() at Debugger+0x34
> panic() at panic+0x188
> witness_lock() at witness_lock+0xb4
> _mtx_lock_flags() at _mtx_lock_flags+0xd8
> trap() at trap+0x4c8
> XentMM() at XentMM+0x2c
> --- memory management fault (from ipl 7) ---
> statclock_process() at statclock_process+0x1d4
> statclock() at statclock+0x78
> alpha_clock_interrupt() at alpha_clock_interrupt+0xac
> interrupt() at interrupt+0xb8
> XentInt() at XentInt+0x28
> --- interrupt (from ipl 4) ---
> critical_exit() at critical_exit+0x1c
> _mtx_unlock_spin_flags() at _mtx_unlock_spin_flags+0xd4
> witness_lock() at witness_lock+0x408
> _mtx_lock_flags() at _mtx_lock_flags+0xd8
> lockmgr() at lockmgr+0x70
> vm_map_lock_read() at vm_map_lock_read+0x28
> vm_map_lookup() at vm_map_lookup+0x78
> vm_fault1() at vm_fault1+0xa8
> vm_fault() at vm_fault+0x64
> trap() at trap+0x6d8
> XentMM() at XentMM+0x2c
> --- memory management fault ---
> ithread_schedule() at ithread_schedule+0xa4
> alpha_dispatch_intr() at alpha_dispatch_intr+0x130
> interrupt() at interrupt+0x138
> XentInt() at XentInt+0x28
> --- interrupt (from ipl 0) ---
> critical_exit() at critical_exit+0x1c
> _mtx_unlock_spin_flags() at _mtx_unlock_spin_flags+0xd4
> vm_fault1() at vm_fault1+0x110c
> vm_fault() at vm_fault+0x64
> trap() at trap+0x6d8
> XentMM() at XentMM+0x2c
> --- memory management fault ---
> pmap_enter_quick() at pmap_enter_quick+0x1d4
> pmap_object_init_pt() at pmap_object_init_pt+0x1a4
> vm_map_insert() at vm_map_insert+0x35c
> elf_load_section() at elf_load_section+0x190
> exec_elf_imgact() at exec_elf_imgact+0x278
> execve() at execve+0x324
> syscall() at syscall+0x338
> XentSys() at XentSys+0x64
> --- syscall (59, FreeBSD ELF, execve) ---
> --- user mode ---
> db>
>
>
> --
> | / o / /_ _ wilko@FreeBSD.org
> |/|/ / / /( (_) Bulte Arnhem, the Netherlands
>
> To Unsubscribe: send mail to majordomo@FreeBSD.org
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| / o / /_ _ FreeBSD core team secretary
|/|/ / / /( (_) Bulte wilko@FreeBSD.org
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