From Bugzilla Helper: User-Agent: Mozilla/5.0 Galeon/1.2.0 (X11; Linux i686; U;) Gecko/20020408 Description of problem: Installation of RH 7.3 on Toshiba z300 Magnia Server main screen hangs with loading aic7xxxx... ctl alt F4 shows looping scsi0: Someone reset channel A installing with linux noapic gets round the problem, but booting the system via grub cant find a way past the system hanging with same error. Its an Adaptec AIC-7892 (for external non-present, i'll look for the latest drivers Version-Release number of selected component (if applicable): How reproducible: Always Steps to Reproduce: 1.Install RH7.3, use noapic option 2.Boot after install 3.System hangs with aic7xxx loading Actual Results: F4 console shows scsi0: Someone reset channel A Expected Results: Boots normally Additional info: It installed and booted RH 7.2 (although had to disable PCMCIA support as caused problems
This is almost always a termination issue. If the scsi bus isn't terminated, then there is nothing to pull the reset line high (which is the "good" state, if it isn't pulled high then that's what signals a reset). Is there actually anything on scsi0, or is it an unused channel?
the scsi channel is currently unused, although some of these 40 units we're deploying will have the external disk packs. i'll do some more work on this today....and look at the termination issues
If the channel is unused and you get infinite "Someone reset channel A" messages, then you are *guaranteed* to have a termination issue. Make sure that the motherboard side of that connector is properly terminated. If you have to, get an external terminator that can plug directly onto the scsi connector on the outside of the chassis. But, until the termination is fixed, this will be a problem.