I have been using an iPhone XR which is rebooting 4-5 times a day and every time it reboots it generates the Panic logs , below is the snippet for the same . Is this related to Software issues or hardware issues.
{"bugtype":"210","timestamp":"2021-01-25 14:46:59.00 +0530","osversion":"iPhone OS 14.3 (18C66)","incidentid":"B6B6F21B-A0DF-4208-963E-583BD6860833"}
{
"build" : "iPhone OS 14.3 (18C66)",
"product" : "iPhone11,8",
"kernel" : "Darwin Kernel Version 20.2.0: Fri Nov 13 01:00:08 PST 2020; root:xnu-7195.62.1~4\/RELEASEARM64T8020",
"incident" : "B6B6F21B-A0DF-4208-963E-583BD6860833",
"crashReporterKey" : "6185f9cd1d7d18c563d01da6513513256ce44a26",
"date" : "2021-01-25 14:46:59.65 +0530",
"panicString" : "panic(cpu 2 caller 0xfffffff01618f4d4): \"metadata list corruption through element 0xffffffe199af2ca0 detected in zone mcache.skywalk.pkt.flow\"\nDebugger message: panic\nMemory ID: 0x1\nOS release type: User\nOS version: 18C66\nKernel version: Darwin Kernel Version 20.2.0: Fri Nov 13 01:00:08 PST 2020; root:xnu-7195.62.1~4\/RELEASEARM64T8020\nKernel UUID: 950277F9-C0F4-3AF2-8594-F28331F8E7DA\niBoot version: iBoot-6723.62.3\nsecure boot?: YES\nPaniclog version: 13\nKernel slide: 0x000000000e08c000\nKernel text base: 0xfffffff015090000\nmachabsolute_time: 0x1c390e84da\nEpoch Time: sec usec\n Boot : 0x600e3e3a 0x000ceecd\n Sleep : 0x600e8bbc 0x00028e81\n Wake : 0x600e8c55 0x00014633\n Calendar: 0x600e8c58 0x000791e6\n\nPanicked task 0xffffffe19fcf9f40: 1832 pages, 12 threads: pid 244: maild\nPanicked thread: 0xffffffe19e9b2e40, backtrace: 0xffffffe811e1b290, tid: 61221\n\t\t lr: 0xfffffff015a7cfcc fp: 0xffffffe811e1b2d0\n\t\t lr: 0xfffffff015a7cdcc fp: 0xffffffe811e1b340\n\t\t lr: 0xfffffff015bbace0 fp: 0xffffffe811e1b360\n\t\t lr: 0xfffffff015bad4b4 fp: 0xffffffe811e1b410\n\t\t lr: 0xfffffff0161847a8 fp: 0xffffffe811e1b420\n\t\t lr: 0xfffffff015a7cab4 fp: 0xffffffe811e1b7a0\n\t\t lr: 0xfffffff015a7cab4 fp: 0xffffffe811e1b800\n\t\t lr: 0xfffffff0177572f4 fp: 0xffffffe811e1b820\n\t\t lr: 0xfffffff01618f4d4 fp: 0xffffffe811e1b850\n\t\t lr: 0xfffffff015ae6a70 fp: 0xffffffe811e1b860\n\t\t lr: 0xfffffff015ae6b78 fp: 0xffffffe811e1b8a0\n\t\t lr: 0xfffffff015efc63c fp: 0xffffffe811e1b900\n\t\t lr: 0xfffffff015efd7b0 fp: 0xffffffe811e1b990\n\t\t lr: 0xfffffff015fd95f8 fp: 0xffffffe811e1ba70\n\t\t lr: 0xfffffff015f84e10 fp: 0xffffffe811e1bbd0\n\t\t lr: 0xfffffff015fdad04 fp: 0xffffffe811e1bcd0\n\t\t lr: 0xfffffff015f9306c fp: 0xffffffe811e1bd30\n\t\t lr: 0xfffffff015f7dfd8 fp: 0xffffffe811e1bdb0\n\t\t lr: 0xfffffff015fde2b0 fp: 0xffffffe811e1be40\n\t\t lr: 0xfffffff015bad428 fp: 0xffffffe811e1bef0\n\t\t lr: 0xfffffff0161847a8 fp: 0xffffffe811e1bf00\n\n",
"panicFlags" : "0x802",
"otherString" : "\n Stackshot Succeeded Bytes Traced 197241 (Uncompressed 527056) **\n",
"memoryStatus" : {"compressorSize":10020,"compressions":224304,"decompressions":121783,"busyBufferCount":0,"pageSize":16384,"memoryPressure":false,"memoryPages":{"active":60112,"throttled":0,"fileBacked":67808,"wired":33675,"purgeable":3118,"inactive":55732,"free":5487,"speculative":6031}},
"processByPid" : {
{"bugtype":"210","timestamp":"2021-01-25 14:46:59.00 +0530","osversion":"iPhone OS 14.3 (18C66)","incidentid":"B6B6F21B-A0DF-4208-963E-583BD6860833"}
{
"build" : "iPhone OS 14.3 (18C66)",
"product" : "iPhone11,8",
"kernel" : "Darwin Kernel Version 20.2.0: Fri Nov 13 01:00:08 PST 2020; root:xnu-7195.62.1~4\/RELEASEARM64T8020",
"incident" : "B6B6F21B-A0DF-4208-963E-583BD6860833",
"crashReporterKey" : "6185f9cd1d7d18c563d01da6513513256ce44a26",
"date" : "2021-01-25 14:46:59.65 +0530",
"panicString" : "panic(cpu 2 caller 0xfffffff01618f4d4): \"metadata list corruption through element 0xffffffe199af2ca0 detected in zone mcache.skywalk.pkt.flow\"\nDebugger message: panic\nMemory ID: 0x1\nOS release type: User\nOS version: 18C66\nKernel version: Darwin Kernel Version 20.2.0: Fri Nov 13 01:00:08 PST 2020; root:xnu-7195.62.1~4\/RELEASEARM64T8020\nKernel UUID: 950277F9-C0F4-3AF2-8594-F28331F8E7DA\niBoot version: iBoot-6723.62.3\nsecure boot?: YES\nPaniclog version: 13\nKernel slide: 0x000000000e08c000\nKernel text base: 0xfffffff015090000\nmachabsolute_time: 0x1c390e84da\nEpoch Time: sec usec\n Boot : 0x600e3e3a 0x000ceecd\n Sleep : 0x600e8bbc 0x00028e81\n Wake : 0x600e8c55 0x00014633\n Calendar: 0x600e8c58 0x000791e6\n\nPanicked task 0xffffffe19fcf9f40: 1832 pages, 12 threads: pid 244: maild\nPanicked thread: 0xffffffe19e9b2e40, backtrace: 0xffffffe811e1b290, tid: 61221\n\t\t lr: 0xfffffff015a7cfcc fp: 0xffffffe811e1b2d0\n\t\t lr: 0xfffffff015a7cdcc fp: 0xffffffe811e1b340\n\t\t lr: 0xfffffff015bbace0 fp: 0xffffffe811e1b360\n\t\t lr: 0xfffffff015bad4b4 fp: 0xffffffe811e1b410\n\t\t lr: 0xfffffff0161847a8 fp: 0xffffffe811e1b420\n\t\t lr: 0xfffffff015a7cab4 fp: 0xffffffe811e1b7a0\n\t\t lr: 0xfffffff015a7cab4 fp: 0xffffffe811e1b800\n\t\t lr: 0xfffffff0177572f4 fp: 0xffffffe811e1b820\n\t\t lr: 0xfffffff01618f4d4 fp: 0xffffffe811e1b850\n\t\t lr: 0xfffffff015ae6a70 fp: 0xffffffe811e1b860\n\t\t lr: 0xfffffff015ae6b78 fp: 0xffffffe811e1b8a0\n\t\t lr: 0xfffffff015efc63c fp: 0xffffffe811e1b900\n\t\t lr: 0xfffffff015efd7b0 fp: 0xffffffe811e1b990\n\t\t lr: 0xfffffff015fd95f8 fp: 0xffffffe811e1ba70\n\t\t lr: 0xfffffff015f84e10 fp: 0xffffffe811e1bbd0\n\t\t lr: 0xfffffff015fdad04 fp: 0xffffffe811e1bcd0\n\t\t lr: 0xfffffff015f9306c fp: 0xffffffe811e1bd30\n\t\t lr: 0xfffffff015f7dfd8 fp: 0xffffffe811e1bdb0\n\t\t lr: 0xfffffff015fde2b0 fp: 0xffffffe811e1be40\n\t\t lr: 0xfffffff015bad428 fp: 0xffffffe811e1bef0\n\t\t lr: 0xfffffff0161847a8 fp: 0xffffffe811e1bf00\n\n",
"panicFlags" : "0x802",
"otherString" : "\n Stackshot Succeeded Bytes Traced 197241 (Uncompressed 527056) **\n",
"memoryStatus" : {"compressorSize":10020,"compressions":224304,"decompressions":121783,"busyBufferCount":0,"pageSize":16384,"memoryPressure":false,"memoryPages":{"active":60112,"throttled":0,"fileBacked":67808,"wired":33675,"purgeable":3118,"inactive":55732,"free":5487,"speculative":6031}},
"processByPid" : {