From Bugzilla Helper: User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.0.1) Gecko/20021003 Description of problem: The 2.4.20-2 kernel boots up on the Dell Inspiron 4100 Laptop. The laptop is running BIOS A11 and has all the power management turned off. However, when a hdparm command is encountered in /etc/rc.local. The machine crashes. Without the hdparm command the machine finishes booting and it usable. The command is the following: /sbin/hdparm -d 1 -c 3 -m 16 /dev/hda [root@litespeed root]# /sbin/hdparm -i /dev/hda /dev/hda: Model=IC25N040ATCS04-0, FwRev=CA4OA60A, SerialNo=CSH400D4G0HMJB Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs } RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=4 BuffType=DualPortCache, BuffSize=1768kB, MaxMultSect=16, MultSect=16 CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=78140160 IORDY=on/off, tPIO={min:240,w/IORDY:120}, tDMA={min:120,rec:120} PIO modes: pio0 pio1 pio2 pio3 pio4 DMA modes: mdma0 mdma1 mdma2 UDMA modes: udma0 udma1 udma2 udma3 udma4 *udma5 AdvancedPM=yes: mode=0x80 (128) WriteCache=enabled Drive conforms to: ATA/ATAPI-5 T13 1321D revision 3: 2 3 4 5 Most of the kernel panic message scrolls off the screen. However an attached photo shows what is on the screen Version-Release number of selected component (if applicable): How reproducible: Always Steps to Reproduce: 1. Build 2.4.20-2 kernel with kernel-2.4.20-i686.config 2. Install kernel and have hdparm in /etc/rc.local 3. Reboot machine with 2.4.20-2 kernel Actual Results: Machine boots and runs until hdparm command encounted. Kernel panics Expected Results: Machine boots up. Additional info:
Created attachment 88836 [details] Screen snapshot of kernel information