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    SubjectRe: 2.6.35->2.6.36 regression, vanilla kernel panic, ppp or hrtimers crashing
    Date
    I try to reverse and got very weird lockups (no netconsole logs and no 
    watchdog triggered reboot on that remote machine).
    I will try to cook something to reboot it, because it is very remote machine

    On Wednesday 03 November 2010 09:38:54 Jarek Poplawski wrote:
    > On Tue, Nov 02, 2010 at 03:49:47PM +0200, Denys Fedoryshchenko wrote:
    > > I didn't try yet, but i enable more debugs and catch linked list
    > > corruption.
    >
    > It should be very useful but it seems there were no significant changes
    > in ppp locking between 2.6.35 and .36 except the patch I mentioned, so
    > it would be nice to check this first and try to fix it properly later.
    >
    > Jarek P.
    >
    > > Here is dumps from netconsole:
    > > http://www.nuclearcat.com/ll.txt
    > > http://www.nuclearcat.com/ll2.txt
    > >
    > > I have another PC, also fails to run 2.6.36, but netconsole don't give
    > > anything.
    > > Both PC's have strange issue with clock drifting away too much (on 2.6.35
    > > and maybe even before).
    > >
    > > On Thursday 28 October 2010 10:05:50 Jarek Poplawski wrote:
    > > > On 2010-10-25 11:22, Denys Fedoryshchenko wrote:
    > > > > Hi
    > > > >
    > > > > Here is what i got from netconsole
    > > > >
    > > > > [ 259.238755] BUG: unable to handle kernel
    > > > > paging request
    > > > > at f8ba001c9999
    > > > > [ 259.238953] IP:
    > > > > [<c0199ebe>] do_select+0x2cc/0x502
    > > >
    > > > ...
    > > >
    > > > > It is not easy to do full git bisect(it is semi-embedded distro), but
    > > > > i can try reversing particular commits, if someone can give idea
    > > > > which one, and can try debug patches.
    > > >
    > > > Hi,
    > > > Nothing concrete, but you might try reverting this one:
    > > >
    > > > http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.36.y.git;a=c
    > > > ommi tdiff;h=15fd0cd9a2ad24a78fbee369dec8ca660979d57e
    > > >
    > > > Jarek P.
    > > > --
    > > > To unsubscribe from this list: send the line "unsubscribe netdev" in
    > > > the body of a message to majordomo@vger.kernel.org
    > > > More majordomo info at http://vger.kernel.org/majordomo-info.html


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