trying to understand dmesg

Dimitri Mallis dimitri.mallis at
Fri Mar 23 23:23:34 UTC 2007

hi, i am trying to understand everything that comes out of dmesg so i can
trouble shoot my pc...

what do the following mean?

   1. Aperture from northbridge cpu 0 too small (32 MB)
   2. SELinux: Disabled at boot.
   3. audit: initializing netlink socket (disabled)
   4. RAMDISK driver initialized: 16 RAM disks of 65536K size 1024
   5. ide: Assuming 33MHz system bus speed for PIO modes; override with
   6. ACPI Exception (acpi_processor-0693): AE_NOT_FOUND, Processor
   Device is not present [20060707]
   7. GSI 16 sharing vector 0xD9 and IRQ 16
   8. ata1: SATA link down (SStatus 0)
   9. NFORCE-CK804: not 100% native mode: will probe irqs later
   10. NFORCE-CK804: BIOS didn't set cable bits correctly. Enabling
   workaround. >>> this worries me
   11. forcedeth: using HIGHDMA ???
   12. input: PC Speaker as /class/input/input1
   13. bttv0: i2c: checking for MSP34xx @ 0x80... not found
   14. ts: Compaq touchscreen protocol output
   15. drivers/usb/serial/ftdi_sio.c: v1.4.3:USB FTDI Serial Converters
   16. md: md driver 0.90.3 MAX_MD_DEVS=256, MD_SB_DISKS=27
   17. ibm_acpi: ec object not found
   18. [drm] Setting GART location based on new memory map
   19. lo: Disabled Privacy Extensions
   20. bttv0: timeout: drop=65 irq=22617/22617, risc=1f390024, bits:

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