On Wed, 8 Mar 2000, Eric Youngdale wrote:
> What kernel version did the problems start to occur? There have been
>several rounds of changes to the ll_rw_blk code (not all of which I was
>directly responsible for), and it would help a lot to narrow it down to a
>specific kernel version. If the primary author of the change in question
>was someone else, I can help to bring that person into the loop too.
I'll try compiling a few intermediate kernels to see if I can track it
down. It broke in 2.3.41, 42, 43, 44 or 45.
>----- Original Message -----
>From: Erik Inge Bolsų <email@example.com>
>To: Eric Youngdale <firstname.lastname@example.org>
>Cc: Linux-parport mailing list <email@example.com>
>Sent: Wednesday, March 08, 2000 9:55 AM
>Subject: Re: New queueing code
>> On Wed, 8 Mar 2000, Eric Youngdale wrote:
>> > Which source files are involved with ParIDE, and what are the
>> >of the breakage?
>> Source files:
>> drivers/block/paride/*, in particular pd.c, pf.c, pt.c, pcd.c and pg.c.
>> >Did a little more experimenting with EPAT + PD in kernel 2.3.49pre1
>> >A log message I got, without taking the computer down with it this time:
>> >Mar 7 20:03:16 frankenstein kernel: pda: OUCH: b_reqnext != NULL
>> >Mar 7 20:03:17 frankenstein last message repeated 46 times
>> >A PD bug? Or is that assertion failure the lower-level protocol's fault?
>> (I was later assured this was a symptom of incompatible request queue
>> >The next time I tried, it panicked, dumped a screenful of traceback (more
>> >than 50 lines) that seemed, judging by the addresses, to be in an
>> >infinite loop. Then the interrupt handler was killed so that I have no
>> >log of the incident. (Sorry, no serial console to capture such things
>> >Sysrq-K in this state caused an immediate reboot.
>> Erik I. Bolsų <knan at mo.himolde.no> | <eriki at himolde.no>
>> .. student of IT administration at Molde College, Norway.
-- Erik I. Bolsų <knan at mo.himolde.no> | <eriki at himolde.no> .. student of IT administration at Molde College, Norway.
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