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Re: Debian on mac68k (LC III)

On 11/2/16 10:29 PM, Finn Thain wrote:
> On Wed, 2 Nov 2016, Mac User wrote:
>> On 11/2/16 8:20 PM, Finn Thain wrote:
>> My mistake earlier -- I cut and pasted the hang from "version 
>> 4.1.35-mac_scsi+" instead of capturing the result of 
>> "vmlinux-4.1.35-mac_scsi-egret+" on a serial console.
> Confusingly, I sent two kernel binaries with the same patch level. But you 
> can tell them apart from the banner (also /proc/version):
> Linux version 4.1.35-mac_scsi-egret+ (fthain@nippy) (gcc version 4.6.3 
> (GCC) ) #2 Tue Oct 25 13:37:53 AEDT 2016
> Linux version 4.1.35-mac_scsi-egret+ (fthain@nippy) (gcc version 4.6.3 
> (GCC) ) #1 Wed Nov 2 13:09:32 AEDT 2016
> If I understand correctly, you've only observed two possible outcomes: 
> either a hang shortly after "ABCFGHIJK" or else "kernel BUG at 
> block/deadline-iosched.c".
> Does those outcomes apply to both of these kernel binaries, given the same 
> Penguin settings etc?


With 4.1.35-mac_scsi+, "kernel BUG at block/deadline-iosched.c:332!"
happens consistently when booting with extensions off and setting
the serial ports in Penguin. When booting with extensions on and
not setting the serial ports, there is a random hang (about one
third of the time) at "ABCFGHIJK".

With 4.1.35-mac_scsi-egret+, even booting with extensions off, the
system hangs consistently at "ABCFGHIJK" regardless of Penguin


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