name : iwlwifi_error_dump #!/usr/bin/python3 # # Copyright (c) 2014 Canonical Ltd. # Author: Seth Forshee <seth.forshee@canonical.com> # # This program is free software; you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by the # Free Software Foundation; either version 2 of the License, or (at your # option) any later version. See http://www.gnu.org/copyleft/gpl.html for # the full text of the license. """Collect information about an iwlwifi firmware error dump.""" import os import re import sys import apport import apport.fileutils from apport.hookutils import command_output if len(sys.argv) != 2: sys.exit(1) phy = os.path.basename(sys.argv[1]) sysfs_path = f"/sys/kernel/debug/ieee80211/{phy}/iwlwifi/iwlmvm/fw_error_dump" if not os.path.exists(sysfs_path): sys.exit(1) pr = apport.Report("KernelCrash") pr.add_package(apport.packaging.get_kernel_package()) pr["Title"] = "iwlwifi firmware error" pr.add_os_info() # Get iwl firmware version and error code from dmesg dmesg = command_output(["dmesg"]) regex = re.compile( "^.*iwlwifi [0-9a-fA-F:]{10}\\.[0-9a-fA-F]: Loaded firmware version:" " ([0-9\\.]+).*\\n.*iwlwifi [0-9a-fA-F:]{10}\\.[0-9a-fA-F]:" " (0x[0-9A-F]{8} \\| [A-Z_]+)", re.MULTILINE, ) m = regex.findall(dmesg) if m: v = m[len(m) - 1] fw_version = v[0] error_code = v[1] pr["IwlFwVersion"] = fw_version pr["IwlErrorCode"] = error_code pr["DuplicateSignature"] = f"iwlwifi:{fw_version}:{error_code}" pr["Title"] += f": {error_code}" # Get iwl firmware dump file from debugfs try: with open(sysfs_path, "rb") as f: pr["IwlFwDump"] = f.read() # Firmware dump could contain sensitive information pr["LaunchpadPrivate"] = "yes" pr["LaunchpadSubscribe"] = "canonical-kernel-team" except OSError: pass try: with apport.fileutils.make_report_file(pr) as f: pr.write(f) except OSError as error: apport.fatal("Cannot create report: %s", str(error))