Hello, I'm experiencing a weird kernel panic on a sun fire v210 running debian squeeze and kernel 3.2.35 from backports, from time to time the machine hangs and on the console I get the following report : Contents of run buffer: [404832.601822] ERROR(0): M_SYND(0), E_SYND(0), Privileged [404832.671592] ERROR(0): Highest priority error (0000100000000000) "Unmapped error from system bus" [404832.788259] ERROR(0): D-cache idx[0] tag[0000000000000000] utag[0000000000000000] stag[0000000000000000] [404832.914069] ERROR(0): D-cache data0[0000000000000000] data1[0000000000000000] data2[0000000000000000] data3[0000000000000000] [404833.063900] ERROR(0): I-cache idx[0] tag[0000000000000000] utag[0000000000000000] stag[0000000000000000] u[0000000000000000] l[0000000000000000] [404833.235461] ERROR(0): I-cache INSN0[0000000000000000] INSN1[0000000000000000] INSN2[0000000000000000] INSN3[0000000000000000] [404833.385286] ERROR(0): I-cache INSN4[0000000000000000] INSN5[0000000000000000] INSN6[0000000000000000] INSN7[0000000000000000] [404833.535114] ERROR(0): E-cache idx[40000000] tag[0000000006008ef2] [404833.616314] ERROR(0): E-cache data0[00477b0000000000] data1[0000000000000000] data2[0000000000000000] data3[0000000000000000] [404833.766149] Kernel panic - not syncing: Irrecoverable deferred error trap. [404833.766153] [404833.878222] Call Trace: [404833.911398] [0000000000429b74] cheetah_deferred_handler+0x4b0/0x4e8 [404833.996036] [0000000000405e50] c_deferred+0x18/0x24 [404834.062365] [0000000000407bb0] copy_tsb+0x30/0x80 [404834.126421] [00000000007acc58] do_sparc64_fault+0x588/0x780 [404834.201902] [00000000004079a8] sparc64_realfault_common+0x10/0x20 [404834.284257] [000000000045de44] schedule_tail+0x78/0x88 [404834.354018] [0000000000406050] ret_from_syscall+0x8/0x18 [404834.426079] Press Stop-A (L1-A) to return to the boot prom the machine has 1 CPU shown as below : cat /proc/cpuinfo cpu : TI UltraSparc IIIi (Jalapeno) fpu : UltraSparc IIIi integrated FPU pmu : ultra3i prom : OBP 4.30.4.a 2010/01/06 14:48 type : sun4u ncpus probed : 1 ncpus active : 1 D$ parity tl1 : 0 I$ parity tl1 : 0 cpucaps : flush,stbar,swap,muldiv,v9,ultra3,mul32,div32,v8plus,vis,vis2 Cpu0ClkTck : 000000004fa1be00 MMU Type : Cheetah+ State: CPU0: online can anybody suggest a way to debug this issue ? tnx M. --------------------------- () ASCII Ribbon Campaign /\ Against HTML E-Mail --------------------------- This mail is ubuntu Hostile ---------------------------
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