This bug was fixed in the package linux-ti-omap4 - 2.6.35-903.13
---------------
linux-ti-omap4 (2.6.35-903.13) maverick; urgency=low
[ Bryan Wu ]
* SAUCE: Fix a buidling error when turn off CONFIG_SMP
- LP: #647890
* [Config] Enable CONFIG_VMSPLIT_2G=y for OMAP4
- LP: #633227
[ Ricardo Salveti de Araujo ]
* [Config] OMAP: Enable needed Errata for OMAP4 to work with DMA based
device drivers
[ Upstream Kernel Changes ]
* ARM: do not define VMALLOC_END relative to PAGE_OFFSET
-- Tim Gardner <[email protected]> Thu, 30 Sep 2010 17:04:40 +0100
** Changed in: linux-ti-omap4 (Ubuntu Maverick)
Status: New => Fix Released
--
instabilities with highmem activated
https://bugs.launchpad.net/bugs/633227
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Status in “linux-ti-omap4” package in Ubuntu: Fix Released
Status in “linux-ti-omap4” source package in Maverick: Fix Released
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.
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