> Hi, Linus. I've done some more tests with virgin 2.1.129 and I get
> the oops with vga=6 on a Cyrix 6x86 and a Pentium/MMX 200. Changing
> the .config makes the oops go away (still with vga=6). When the oops
> occurs, ksymoops reports do_basic_setup() as the culprit, as before.
I find that if I set
CONFIG_MTRR=n
CONFIG_PCI_QUIRKS=n
CONFIG_PCI_OPTIMIZE=n
CONFIG_BINFMT_AOUT=n
then there is no effect (using my formal .config as a base). If I then
set
CONFIG_BLK_DEV_IDE=n
then I get an oops. Further, having
CONFIG_BLK_DEV_IDE=y
CONFIG_BLK_DEV_IDEDISK=n
CONFIG_BLK_DEV_CMD640=n
CONFIG_BLK_DEV_RZ1000=n
CONFIG_BLK_DEV_IDEPCI=n
CONFIG_BLK_DEV_IDEDMA=n
CONFIG_IDEDMA_AUTO=n
is still OK. Unfortunately, this information probably doesn't help
much, since the oops comes when code is *removed*. Nevertheless, it
may help others to reproduce the oops (UP kernel, in case that wasn't
clear).
Finally, I also tried my router .config (the one that has the oops
with vga=6) but set
CONFIG_IP_ROUTER=n
and the oops remains. So there's no indication that CONFIG_IP_ROUTER
is a problem.
Anyway, that's all the testing I can think of for tonight. If there
are other tests, or better yet, patches to try ;-), please let me
know. This is a showstopper bug for me.
Regards,
Richard....
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