Date: Mon, 4 Mar 2002 19:13:03 +0100 From: Wilko Bulte <wkb@freebie.xs4all.nl> To: freebsd-current@freebsd.org, freebsd-alpha@freebsd.org Cc: murray@freebsd.org Subject: blockable sleep panic on Alpha / current Message-ID: <20020304191303.A2288@freebie.xs4all.nl>
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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 with "unsubscribe freebsd-alpha" in the body of the message
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