With kernel Ubuntu-2.6.35-903.13 we have a workaround to use 1GB and avoid using highmem. While the highmem issue is not fixed, at least this can be the way to go for Maverick.
-- instabilities with highmem activated https://bugs.launchpad.net/bugs/633227 You received this bug notification because you are a member of TI OMAP Developers, which is a direct subscriber. Status in “linux-ti-omap4” package in Ubuntu: New Status in “linux-ti-omap4” source package in Maverick: New Bug description: Seen on Maverick: 2.6.35-903.9 HW: pandaboard ES2.0 Using following kernel memory allocation (in bootargs): mem=4...@0x80000000 mem=5...@0xa0000000 Instabilities have been observed in 2 different ways: 1) The following memtester test: sudo memtester -p 0xb0000000 120 Fails in few seconds with a "illegal instruction” error. Then various behaviors can be seen: the UI can freeze, shell commands be unavailable. The systems works well again after a reboot. 2) By doing a native build of a kernel package (with file-system on SD card, and kernel sources on an NFS mount): After 15mins to 1h30, a "compiler error: bus error" triggers and the build stops (and the platform hangs). This issue cannot be reproduced if using mem=4...@0x80000000 mem=2...@0xa000000. This issue cannot be reproduced with highmen deactivated from the kernel config. This issue can be reproduced with 'nosmp' in kernel command line. _______________________________________________ Mailing list: https://launchpad.net/~tiomap-dev Post to : [email protected] Unsubscribe : https://launchpad.net/~tiomap-dev More help : https://help.launchpad.net/ListHelp
