Date: Wed, 26 Apr 1995 17:57:58 +1000 From: Bruce Evans <bde@zeta.org.au> To: dufault@hda.com Cc: current@freefall.cdrom.com Subject: Re: panic: pmap_zero_page: CMAP busy Message-ID: <199504260757.RAA10941@godzilla.zeta.org.au>
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>The panic is caused by the difference between these two lines in >the config: >>From GENERIC (works): >> config kernel root on wd0 swap on wd0 and wd1 and wd2 and vn0 dumps on wd0 >>From DESMOND (panics): >> config kernel root on wd0 swap on wd0 dumps on wd0 Maybe this has something to do with the bogus test for the end of swdevt[] in i386/autoconf.c. The array is terminated by device NODEV but device 0 is tested for (the test for > 0 degenerates to == 0 because dev_t is unsigned). Apparently there are usually 0's sufficiently close to the end of swdevt[] for there to be no problems. Bruce
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