Messages in this thread | | | Date | Mon, 13 Mar 2006 11:35:39 +0800 (WST) | From | Ian Kent <> | Subject | Re: BUG: atomic counter underflow [Was: 2.6.16-rc6-mm1] |
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On Sun, 12 Mar 2006, Jiri Slaby wrote:
Thanks Jiri.
Certainly looks like a problem for me.
Puzzling though as this part of the code has been in operation for a long long time?
It would be really helpful if you could give a little more information how it happened so I can try and reproduce it?
> Andrew Morton wrote: > >ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.16-rc6/2.6.16-rc6-mm1/ > [snip] > >+remove-redundant-check-from-autofs4_put_super.patch > >+autofs4-follow_link-missing-funtionality.patch
Maybe it is related to the error in this patch that Andrew pointed out. I'm still thinking about how I should deal with that.
> > > > Update autofs4 patches in -mm. > Hello, > > I caught this during ftp browsing autofs-bind-mounted directories. I don't know > circumstancies and if the patches above are source of problem. I also don't know > if -rc6-mm1 is the first one. > > BUG: atomic counter underflow at: > [<c0104736>] show_trace+0x13/0x15 > [<c0104873>] dump_stack+0x1e/0x20 > [<c01d6c97>] autofs4_wait+0x751/0x93a > [<c01d543b>] try_to_fill_dentry+0xca/0x11c > [<c01d59b3>] autofs4_revalidate+0xe1/0x148 > [<c0171338>] do_lookup+0x40/0x157 > [<c0172ec4>] __link_path_walk+0x804/0xe8c > [<c017359c>] link_path_walk+0x50/0xe8 > [<c01738b7>] do_path_lookup+0x10f/0x26d > [<c017429c>] __user_walk_fd+0x33/0x50 > [<c016d226>] vfs_stat_fd+0x1e/0x50 > [<c016d30d>] vfs_stat+0x20/0x22 > [<c016d328>] sys_stat64+0x19/0x2d > [<c0103127>] syscall_call+0x7/0xb > > regards, > -- > Jiri Slaby www.fi.muni.cz/~xslaby > ~\-/~ jirislaby@gmail.com ~\-/~ > B67499670407CE62ACC8 22A032CC55C339D47A7E >
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