Messages in this thread | | | Date | Sun, 21 Mar 2004 08:23:20 -0800 | From | "Martin J. Bligh" <> | Subject | Re: 2.6.5-rc1-aa3 |
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--Andrea Arcangeli <andrea@suse.de> wrote (on Sunday, March 21, 2004 14:26:30 +0100):
> On Sat, Mar 20, 2004 at 10:17:16PM -0800, Martin J. Bligh wrote: >> > Fixed the sigbus in nopage and improved the page_t layout per Hugh's >> > suggestion. BUG() with discontigmem disabled if somebody returns non-ram >> > via do_no_page, that cannot work right on numa anyways. >> >> OK, well it doesn't oops any more. But sshd still dies as soon as it starts, >> so accessing the box is tricky ;-) And now I have no obvious diagnostics >> either ... > > Jens sent me the perfect strace log, after his help it has not been > difficult to spot the bug. this incremental should fix it > MAP_SHARED|MAP_ANONYMOUS isn't very common and my userspace never > triggered it. I placed the pgoff anon setting in the path of the shared > memory too, that generated the sigbus. Leaving the setting only in the > MAP_PRIVATE should fix it, the anonymous memory is only MAP_PRIVATE. > > patch is untested at the moment, as soon as I get confirmation I'll > upload an update.
Yup, that fixes mine up too - runs fine now.
M.
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