Ingo Molnar wrote: > * Yinghai Lu <yinghai@xxxxxxxxxx> wrote: > >> Commit-ID: 78a8b35bc7abf8b8333d6f625e08c0f7cc1c3742 >> Gitweb: http://git.kernel.org/tip/78a8b35bc7abf8b8333d6f625e08c0f7cc1c3742 >> Author: Yinghai Lu <yinghai@xxxxxxxxxx> >> AuthorDate: Thu, 12 Mar 2009 22:36:01 -0700 >> Commit: Ingo Molnar <mingo@xxxxxxx> >> CommitDate: Sat, 14 Mar 2009 12:20:07 +0100 >> >> x86: make e820_update_range() handle small range update >> >> Impact: enhance e820 code to handle more cases >> >> Try to handle new range which could be covered by one entry. >> >> Signed-off-by: Yinghai Lu <yinghai@xxxxxxxxxx> >> Cc: jbeulich@xxxxxxxxxx >> LKML-Reference: <49B9F0C1.10402@xxxxxxxxxx> >> Signed-off-by: Ingo Molnar <mingo@xxxxxxx> > > -tip testing found a bootup crash + reboot due to this patch. > > config attached. The bootup crashes here: > > [ 0.000000] MTRR variable ranges enabled: > [ 0.000000] 0 base 0000000000 mask FFC0000000 write-back > [ 0.000000] 1 disabled > [ 0.000000] 2 disabled > [ 0.000000] 3 disabled > [ 0.000000] 4 disabled > [ 0.000000] 5 disabled > [ 0.000000] 6 disabled > [ 0.000000] 7 disabled > [ 0.000000] x86 PAT enabled: cpu 0, old 0x7040600070406, new 0x7010600070106 > [ 0.000000] get_mtrr: cpu0 reg00 base=0000000000 size=0000040000 write-back > [ reboot ] > what does the e820 map look like? YH -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html