CAI Qian wrote: > Hallo! > > Is it a known issue that kdump failed with 2.6.31 i386 systems? The > kdump kernel seems hang here. > > ... > Spurious LAPIC timer interrupt on cpu 0 > Console: colour VGA+ 80x25 > console handover: boot [earlyser0] -> real [ttyS0] > Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar > ... MAX_LOCKDEP_SUBCLASSES: 8 > ... MAX_LOCK_DEPTH: 48 > ... MAX_LOCKDEP_KEYS: 8191 > ... CLASSHASH_SIZE: 4096 > ... MAX_LOCKDEP_ENTRIES: 16384 > ... MAX_LOCKDEP_CHAINS: 32768 > ... CHAINHASH_SIZE: 16384 > memory used by lock dependency info: 3743 kB > per task-struct memory footprint: 1920 bytes > HPET: 3 timers in total, 0 timers will be used for per-cpu timer > Clocksource tsc unstable (delta = 577041676100 ns) > This case hangs on setup_irq(0, &irq0). We already knew this. > or > > Spurious LAPIC timer interrupt on cpu 0 > Console: colour VGA+ 80x25 > console [ttyS0] enabled > Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar > ... MAX_LOCKDEP_SUBCLASSES: 8 > ... MAX_LOCK_DEPTH: 48 > ... MAX_LOCKDEP_KEYS: 8191 > ... CLASSHASH_SIZE: 4096 > ... MAX_LOCKDEP_ENTRIES: 16384 > ... MAX_LOCKDEP_CHAINS: 32768 > ... CHAINHASH_SIZE: 16384 > memory used by lock dependency info: 3743 kB > per task-struct memory footprint: 1920 bytes > allocated 2621440 bytes of page_cgroup > please try 'cgroup_disable=memory' option if you don't want memory cgroups > Calibrating delay loop (skipped), value calculated using timer frequency.. > 5986.01 BogoMIPS (lpj=2993008) This case hangs after calibrate_delay() which already passed late_time_init(), and probably before security_init()... (since probably you have CONFIG_SECURITY=y) Did you meet these two cases on the same machine? Or on different machines? Thanks.
