#!/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))
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