Linux Dmesg Analyzer
Upload any dmesg output. Get instant AI analysis of kernel panics, driver errors, and subsystem issues across any Linux distribution.
What is Dmesg?
Dmesg (diagnostic message) shows the kernel ring buffer - a log of all kernel messages since boot. It contains critical information about hardware detection, driver initialization, and system errors that user-space logs never see.
Kernel Severity Levels
Understanding what kernel messages mean for your system
System halt - unrecoverable error requiring reboot
Recoverable kernel error - system may continue
Kernel assertion failed - unexpected state detected
Non-critical issue - system continues normally
Kernel Subsystems
Disk drivers, filesystems, storage errors
Network drivers, protocol stack, connectivity
OOM killer, memory allocation, page faults
Scheduling, frequency scaling, thermal
Device drivers, module loading, firmware
USB devices, hubs, enumeration
ACPI, suspend/resume, power states
SELinux, audit, security modules
Why Kernel Log Analysis Is Hard
Kernel messages require deep system knowledge to interpret
Cryptic Messages
Kernel messages use abbreviations, hex addresses, and internal terminology. 'BUG: unable to handle page fault' - what does it mean?
No Wall-Clock Time
Default dmesg shows seconds since boot, not actual time. Correlating with other logs requires manual timestamp conversion.
Kernel Panics & Oops
When the kernel crashes, the stack trace is cryptic. Identifying the failing driver or subsystem requires expertise.
Subsystem Complexity
Is it a driver bug, hardware failure, or configuration issue? Kernel subsystems interact in complex ways.
The Real Cost of Manual Analysis
- Hours reading kernel documentation to understand messages
- Trial and error with driver versions and kernel parameters
- Stack Overflow searches that don't match your exact issue
- Expensive hardware replacements for software issues
- Production downtime while diagnosing boot failures
How logcat.ai Solves This
AI-powered kernel analysis that explains what went wrong
Deep Research
Ask 'What caused this kernel panic?' AI traces through subsystems Correlates events and references docs Multi-architecture support
Panic Detection
Automatic kernel panic/oops detection Stack trace analysis Failing module identification Severity classification
Subsystem Grouping
Messages organized by subsystem Timeline visualization Block I/O, networking, memory, drivers Quickly find related issues
Quick Search
Natural language queries 'Show USB errors' - instant results No kernel expertise required Answers in under 5 seconds
Need the Complete Picture?
When kernel issues might be caused by Android framework or apps, bugreport captures everything.
Kernel Focus
Perfect for debugging specific drivers, modules, and kernel-level issues in isolation.
Full System View
When you need to see how app behavior triggers kernel issues or correlate across all system layers.
- Kernel logs + framework logs + app logs in one place
- See how app behavior triggers kernel issues
- Correlate SELinux denials with crashes
- Timeline spanning all system layers
How It Works
Four steps from kernel logs to root cause
Capture Kernel Logs
Upload dmesg output, boot logs, or kernel ring buffer
Detect Anomalies
logcat.ai spots kernel panics, oops, warnings, and errors
Map to Subsystems
Group issues by driver, module, or kernel component
Root Cause Analysis
Identify whether issues are hardware or software related
Deep Research
Watch how AI finds upstream patches for kernel issues
Kernel Root Cause + Patch Lookup
Search kernel.org, AOSP, and vendor repos automatically
commit 5a3f8bc2d1e
Who Uses This
Built for anyone debugging Linux systems
Kernel Developers
Debug custom kernels. Trace driver issues. Understand panics. Test across architectures.
Embedded Engineers
IoT devices, Raspberry Pi, custom boards. Debug boot issues, driver compatibility, hardware bring-up.
System Administrators
Server troubleshooting. Hardware failures. Performance issues. Production incident response.
Frequently Asked Questions
Everything you need to know about kernel log analysis
We support raw `dmesg` command output, `journalctl -k` kernel logs, `/var/log/dmesg` and `/var/log/kern.log` files, serial console captures, and kernel logs extracted from Android bugreports. The parser handles different timestamp formats and kernel versions automatically.
Quick Search answers kernel questions in under 5 seconds. AI Insights analysis that identifies panics, oops, and driver issues completes in 3-4 minutes. Deep Research investigations that trace issues through subsystems and reference kernel documentation take 5-10 minutes depending on complexity.
Our AI detects kernel panics and oops with full stack traces, BUG and WARNING messages with call chains, OOM kills with memory allocation details, driver probe failures and initialization errors, hardware errors (ECC, PCIe, USB), boot failures and device tree issues, and subsystem-specific problems in networking, storage, and memory management.
All Linux distributions are supported including Ubuntu, Debian, Fedora, RHEL/CentOS, Arch, Alpine, openSUSE, and any custom Linux build. We also support Android kernel logs, ChromeOS, and embedded Linux systems. The kernel log format is standardized across distributions, so if Linux runs it, we can analyze it.
Your kernel logs are protected with encryption in transit (TLS 1.3) and at rest (AES-256). Files are automatically deleted after 90 days, with immediate deletion available on request. We never use your data for AI training. Enterprise plans offer on-premise deployment for air-gapped or regulated environments.
Yes - we support all major architectures including ARM (32/64-bit), x86/x64, MIPS, RISC-V, and PowerPC. Works with embedded build systems like Yocto, Buildroot, OpenWrt, and custom Linux configurations. Whether you're debugging a Raspberry Pi, industrial IoT device, or custom SoC, our parser handles it.
Stop Guessing, Start Debugging
Let AI explain your kernel logs