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160 lines
6.4 KiB
160 lines
6.4 KiB
diff -U0 smartmontools-7.1/ChangeLog.r5472 smartmontools-7.1/ChangeLog
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diff -up smartmontools-7.1/smartd.conf.5.in.r5472 smartmontools-7.1/smartd.conf.5.in
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--- smartmontools-7.1/smartd.conf.5.in.r5472 2019-12-13 21:20:45.000000000 +0100
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+++ smartmontools-7.1/smartd.conf.5.in 2023-11-22 12:32:37.341051288 +0100
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@@ -696,6 +696,20 @@ error log has increased since the last c
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.I error
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\- [NVMe] report if the "Number of Error Information Log Entries" from the
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SMART/Health Information log has increased since the last check.
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+.br
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+[NEW EXPERIMENTAL SMARTD FEATURE]
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+This will only be logged as LOG_CRIT if at least one of the new errors is
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+still present in the Error Information log and its status indicates a
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+device related error.
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+Up to eight of the most recent of these errors are logged as LOG_INFO then.
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+This is useful because the NVMe Error Information log is not persistent
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+across power cycles or device resets.
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+.br
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+If all new errors are either no longer present in the log or are not device
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+related (e.g. invalid command, invalid field in command, ...), a LOG_INFO
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+message is generated instead.
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+This avoids misleading warnings if the operating system issues unsupported
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+commands and the device firmware also logs these kind of errors.
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.Sp
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.\" %ENDIF OS Darwin FreeBSD Linux NetBSD Windows Cygwin
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.I xerror
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diff -up smartmontools-7.1/smartd.cpp.r5472 smartmontools-7.1/smartd.cpp
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--- smartmontools-7.1/smartd.cpp.r5472 2019-12-29 14:10:18.000000000 +0100
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+++ smartmontools-7.1/smartd.cpp 2023-11-22 12:35:19.254046678 +0100
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@@ -2,7 +2,7 @@
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* Home page of code is: https://www.smartmontools.org
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*
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* Copyright (C) 2002-11 Bruce Allen
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- * Copyright (C) 2008-19 Christian Franke
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+ * Copyright (C) 2008-23 Christian Franke
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* Copyright (C) 2000 Michael Cornwell <cornwell@acm.org>
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* Copyright (C) 2008 Oliver Bock <brevilo@users.sourceforge.net>
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*
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@@ -410,6 +410,9 @@ struct dev_config
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ata_vendor_attr_defs attribute_defs; // -v options
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+ // NVMe only
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+ unsigned nvme_err_log_max_entries{}; // size of error log
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+
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dev_config();
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};
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@@ -2628,6 +2631,74 @@ static int nvme_get_max_temp_kelvin(cons
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return k;
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}
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+// Check the NVMe Error Information log for device related errors.
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+static bool check_nvme_error_log(const dev_config & cfg, dev_state & state, nvme_device * nvmedev,
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+ uint64_t newcnt = 0)
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+{
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+ // Limit transfer size to one page (64 entries) to avoid problems with
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+ // limits of NVMe pass-through layer or too low MDTS values.
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+ unsigned want_entries = 64;
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+ if (want_entries > cfg.nvme_err_log_max_entries)
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+ want_entries = cfg.nvme_err_log_max_entries;
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+ raw_buffer error_log_buf(want_entries * sizeof(nvme_error_log_page));
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+ nvme_error_log_page * error_log =
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+ reinterpret_cast<nvme_error_log_page *>(error_log_buf.data());
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+ unsigned read_entries = nvme_read_error_log(nvmedev, error_log, want_entries, false /*!lpo_sup*/);
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+ if (!read_entries) {
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+ PrintOut(LOG_INFO, "Device: %s, Read %u entries from Error Information Log failed\n",
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+ cfg.name.c_str(), want_entries);
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+ return false;
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+ }
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+
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+ if (!newcnt)
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+ return true; // Support check only
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+
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+ // Scan log, find device related errors
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+ uint64_t oldcnt = state.nvme_err_log_entries, mincnt = newcnt;
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+ int err = 0, ign = 0;
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+ for (unsigned i = 0; i < read_entries; i++) {
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+ const nvme_error_log_page & e = error_log[i];
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+ if (!e.error_count)
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+ continue; // unused
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+ if (e.error_count <= oldcnt)
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+ break; // stop on first old entry
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+ if (e.error_count < mincnt)
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+ mincnt = e.error_count; // min known error
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+ if (e.error_count > newcnt)
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+ newcnt = e.error_count; // adjust maximum
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+ uint16_t status = e.status_field >> 1;
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+ if (!nvme_status_is_error(status) || nvme_status_to_errno(status) == EINVAL) {
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+ ign++; // Not a device related error
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+ continue;
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+ }
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+
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+ // Log the most recent 8 errors
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+ if (++err > 8)
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+ continue;
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+ char buf[64];
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+ PrintOut(LOG_INFO, "Device: %s, NVMe error [%u], count %" PRIu64 ", status 0x%04x: %s\n",
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+ cfg.name.c_str(), i, e.error_count, e.status_field,
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+ nvme_status_to_info_str(buf, e.status_field >> 1));
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+ }
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+
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+ std::string msg = strprintf("Device: %s, NVMe error count increased from %" PRIu64 " to %" PRIu64
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+ " (%d new, %d ignored, %" PRIu64 " unknown)",
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+ cfg.name.c_str(), oldcnt, newcnt, err, ign,
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+ (mincnt > oldcnt + 1 ? mincnt - oldcnt - 1 : 0));
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+ // LOG_CRIT only if device related errors are found
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+ if (!err) {
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+ PrintOut(LOG_INFO, "%s\n", msg.c_str());
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+ }
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+ else {
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+ PrintOut(LOG_CRIT, "%s\n", msg.c_str());
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+ MailWarning(cfg, state, 4, "%s", msg.c_str());
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+ }
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+
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+ state.nvme_err_log_entries = newcnt;
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+ state.must_write = true;
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+ return true;
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+}
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+
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static int NVMeDeviceScan(dev_config & cfg, dev_state & state, nvme_device * nvmedev,
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const dev_config_vector * prev_cfgs)
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{
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@@ -2687,8 +2758,14 @@ static int NVMeDeviceScan(dev_config & c
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}
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// Init total error count
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+ cfg.nvme_err_log_max_entries = id_ctrl.elpe + 1; // 0's based value
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if (cfg.errorlog || cfg.xerrorlog) {
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- state.nvme_err_log_entries = le128_to_uint64(smart_log.num_err_log_entries);
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+ if (!check_nvme_error_log(cfg, state, nvmedev)) {
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+ PrintOut(LOG_INFO, "Device: %s, Error Information unavailable, ignoring -l [x]error\n", name);
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+ cfg.errorlog = cfg.xerrorlog = false;
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+ }
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+ else
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+ state.nvme_err_log_entries = le128_to_uint64(smart_log.num_err_log_entries);
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}
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// If no supported tests selected, return
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@@ -3760,16 +3837,12 @@ static int NVMeCheckDevice(const dev_con
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// Check if number of errors has increased
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if (cfg.errorlog || cfg.xerrorlog) {
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- uint64_t oldcnt = state.nvme_err_log_entries;
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uint64_t newcnt = le128_to_uint64(smart_log.num_err_log_entries);
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- if (newcnt > oldcnt) {
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- PrintOut(LOG_CRIT, "Device: %s, number of Error Log entries increased from %" PRIu64 " to %" PRIu64 "\n",
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- name, oldcnt, newcnt);
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- MailWarning(cfg, state, 4, "Device: %s, number of Error Log entries increased from %" PRIu64 " to %" PRIu64,
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- name, oldcnt, newcnt);
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- state.must_write = true;
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+ if (newcnt > state.nvme_err_log_entries) {
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+ // Warn only if device related errors are found
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+ check_nvme_error_log(cfg, state, nvmedev, newcnt);
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}
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- state.nvme_err_log_entries = newcnt;
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+ // else // TODO: Handle decrease of count?
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}
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CloseDevice(nvmedev, name);
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