On Tue, Oct 15, 2019 at 05:04:28PM +1100, Michael . wrote: > Good afternoon kernel developers > Please accept my apology for contacting you directly about this. A > small group of friends, some of whom are CCed here, have come together > to try and find a solution to a problem that originated with the > demise of kernel 2.6:32. First some background to the issue. We are > all users of Panasonic Toughbook CF-29 models (ranging from Mark 1 > through to Mark 5). These Toughbooks have 2 PCMCIA card slots which > are used by a variety of people for different purposes. On the CF-29 > Mark 1 through to Mark 3 these slots work without problem. On the > CF-29 Mark 4 and Mark 5 the last known kernel the top slot worked with > was 2.6:32. This has been confirmed all all major distros by most of > the small group of friends I mentioned earlier. > > Thinking it was just a kernel config issue I did some comparisons > between Debian 6 (Squeeze), Debian 7 (Wheezy), Ubuntu 10.04, and > Ubuntu 10.10. On all machines both slots functioned as they should > with Debian 6 and Ubuntu 10.04 but the top slot stopped working on > Mark 4 and Mark 5 machines on the next release with the next kernel. I > also tested Ubuntu 10.04 and 10.10 with the 2.6:32 and 2.6:35 kernel > and both slots worked with the 2.6:32 kernel but not the 2.6:35 > kernel.With my comparisons I merged the config from 2.6:32 into the > current kernel for Debian 4.19 and rebuilt the kernel, no matter what > configuration changes I made the top slot still doesn't function on > Mark 4 and Mark 5 machines. > > This issue, and its apparent start, has been confirmed on all major > distro family groups. So this brings me, actually the small group of > dedicated Linux users who own Panasonic Toughbook CF-29s, to contact > you to ask for help in resolving this issue. I have some questions, > and I realise the 2.6:32 kernel is long gone now but I'm hoping this > is not a lost cause, what changes would have occurred between 2.6:32 > and 2.6:33 that would have stopped the hardware working on Mark 4 and > Mark 5 CF-29 Toughbooks but not Mark 1 through to Mark 3? Would it be > possible to correct the problem so that the hardware on our machines > works as it should. While we are not kernel devs or even programmers > we are enthusiasts who love Linux and our machines and we are hoping > that together with you and the kernel dev group we can fix this issue > together. > > I have attached various tar.gz files with ls* outputs so you can see > the information we have so far. Thank you for taking the time to read > this.
Is this with 16-bit PCMCIA cards, or with 32-bit CardBus cards? Either case, please provide the output of dmesg lspci -vvv and lspcmcia -v -v (ideally all for a working and non-working configuration). Thanks, Dominik