On Fri, 11 Jan 2002, Cassandra Lynette Ludwig wrote: > Not wishing to start a debate, but just setting some facts straight here > :- > > On Thu, 10 Jan 2002, Erik Mouw wrote: > > > Hmm, that's probably not good, I think your laptop has a CardBus > > bridge, not the old 82365 PCMCIA bridge. The 2.4 kernels have the > > yenta_socket module for CardBus bridges, my experience is that > > linux-2.4 has much better support for the exotic hardware found in > > laptops. > > Erik, would you perhaps explain therefore to me why almost 60% of the > hardware in my laptop ceases to function if I run a 2.4 kernel, but work > flawlessly with a 2.2 kernel (2.2.20 basline debian is my currently > version). > It may be due to the implementation from the yenta_socket module in direct kernel support. I switched from 2.2.19 + pcmcia package to 2.4.14 and for my thinkpad everything works.
> The biggest problems I had with 2.4 was PCMCIA - No functionality at all. > No matter what pcmcia device I used it > failed miserably, and yes, I did try running the yenta socket driver, > which is the correct one for this laptop. > DOCK - Pretty much all the dock devices ceased to function with the 2.4 > kernel. > > Now, I mainly run my laptop docked, and I use a wireless PCMCIA network > card, therefore in regards to the "much better support" that 2.4 > supposedly has - not in my case. Oh, and I have a fully updated Toshiba > Tecra 8000. > > And one more thing - until the 2.4 kernel is truly stable as far as the > Debian testing process is concerned (in other words until it becomes the > default kernel), you won't ever find me running it in a production system > that is more important than my laptop. I wanted to use it on that, but it > failed miserably, I therefore refuse to trust it on a production server. > There has been some touble when changing things like memory management in the 2.4 series. But I am using it since 3 month on various production systems and it runs perfectly stable. But of course, not with experimental drivers and on commonly known SCSI X86 hardware. > However, I do know a few people who happen to be running the 2.4 kernel in > a sufficiently useful (to them) level... most of them are being very > careful about what hardware they use - namely they are keeping clear of > SMP in the 2.4 kernel revs (apparently some code in the 2.4 SMP listing > can break things like RAID), and various old hardware support (like well, > the Toshiba laptop's PCMCIA controller). > > In final note - the 2.2.20 kernel has a Cardbus driver for the PCMCIA > controllers, this works quite well, and if you don't need to upgrade the > kernel for some other reason (for instance, you install RH7.1/7.2 *duck*), > then you should not do so... unless of course you have spare time to > devote to kernel testing... in which case you already know of the > potential risks... I hope :-) > > Unfortunately, I seem to have missed the whole 2.3 kernel in this > whirlwind rush to upgrade kernels.... I know it exists... but people seem > to think that a bleeding edge kernel is more important than a working > kernel... If an operating system does not support needed features, it may not be successful anymore (the 2.4 soft-RAID code has improved a lot, there are usable journaling file systems, NFS and Quota are well implemented ....) > > Regards, > Cassandra > > PS - The other PCMCIA driver is tcic. My laptop has a multi-mode PCMCIA > controller, which will work with either device, depending upon the setting > I have the controller in. > > > -- > To UNSUBSCRIBE, email to [EMAIL PROTECTED] > with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED] > > Linux is user friendly, it's just a bit picky about it's friends.... Michael Hothorn Institute for Clinical Radiology University of Heidelberg Tel: 0049(0)621 383 2276 http://www.hothorn.de/michael/ -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
