2.5.29: bug in ide and hd kernel option handling
Well, that would most likely be my fault. I made some small changes to the parameter parsing code recently.
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On my 486 test box (ISA/VLB only,
CONFIG_PCI=n), passing any any ide or hd kernel option (like idebus=33) to 2.5.29 results in a kernel hang at boot: I get the initial "Uncompressing .. booting .." and then nothing.
The no display symptom makes sense if there's a problem in a setup routine. These routines are called before console_init. Printk's before console_init are queued up and only displayed after console_init is called. If the kernel hangs before this point, nothing is displayed.
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With 2.5.27, the kernel instantly rebooted itself instead.
The changes went in in 2.5.27.
Can you please send my your .config file? I'll look at this tonight.
Thanks.
Gerald