From Bugzilla Helper: User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.1) Gecko/20020827 Description of problem: After upgrading to kernel 2.4.18-24, the system hangs on boot on a Shuttle SS51G. There is a single hard drive attached to the first IDE controller, on the SiSE962 chip. The drive is an IBM DTLA-307020 (20GB, ATA100). The system does boot with the 2.4.18-10 kernel OK. The grub settings are: default=1 timeout=10 splashimage=(hd0,0)/boot/grub/splash.xpm.gz title Red Hat Linux (2.4.18-24.7.xsmp) root (hd0,0) kernel /boot/vmlinuz-2.4.18-24.7xsmp ro root=/dev/hda1 hdc=ide-scsi initrd /boot/initrd-2.4.18-24.7.xsmp.img title Red Hat Linux (2.4.18-10) root (hd0,0) kernel /boot/vmlinuz-2.4.18-10 ro root=/dev/hda1 hdc=ide-scsi ide0=ata66 initrd /boot/initrd-2.4.18-10.img Also, cat /proc/scsi/sis shows: SiS 5513 DMA 16 chipset Primary Channel ~~~~~~~~~~~~~~~ Channel Status: O Operation Mode: Compatible Prefetch Count: 0 Drive 0: Postwrite Disabled Prefetch Disabled Data Active Time 8 PCICLK Data Recovery Time 12 PCICLK Drive 1: Postwrite Disabled Prefetch Disabled Data Active Time 8 PCICLK Data Recovery Time 12 PCICLK Secondary Channel ~~~~~~~~~~~~~~~~~ Channel Status: O Operation Mode: Compatible Prefetch Count: 0 Drive 0: Postwrite Disabled Prefetch Disabled Data Active Time 8 PCICLK Data Recovery Time 12 PCICLK Drive 1: Postwrite Disabled Prefetch Disabled Data Active Time 8 PCICLK Data Recovery Time 12 PCICLK The actual point at which the system hangs with the 2.4.18-24 kernel is: Uniform Multi-Platform E-IDE driver Revision: 6:31 ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx After this I get no further output and I can do nothing with the system except power cycle or hit the reset button. Also, I should not that I was running the i686 smp version of the kernel, although the system is not an SMP box. Version-Release number of selected component (if applicable): How reproducible: Always Steps to Reproduce: Attempt to boot the 2.4.18-24 kernel from the hard drive on a Shuttle SS51G (using the on-board IDE controller in the SiS962 chip). Actual Results: System hung. Expected Results: System should have continued booting. Additional info: I did try the ide0=ata66 parameter with the 2.4.17-24 kernel, but this did not help. I have not tried changing the BIOS settings for the IDE controller.
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