Re: Detailed report on SMB-build lockups [seems that it is locking problem in networking code] (2.4.0-test2-ac2 and later)

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Tue, Jul 11, 2000 at 06:13:18PM +0400, A.N.Kuznetsov wrote:
> Hello!
> 
> > The only thing I can see in ipqueue is that it turns off local bottom halves
> > for a long time during packet receive. That could probably force other
> > races.
> 
> First of all, packet reinjecting seems to be made not only without
> grabbing net brlock (it is released before okfn call), but even
> not blocking bhs. If this it really true, it explains all.

Ugh, same problem as in ip_defrag(). 

Maybe it would make sense to add to all these exported entry points
that assume bh context a ASSERT_IN_BH() in netdebug builds.

-Andi
-
: send the line "unsubscribe linux-net" in
the body of a message to majordomo@vger.rutgers.edu


[Index of Archives]     [Netdev]     [Ethernet Bridging]     [Linux 802.1Q VLAN]     [Linux Wireless]     [Kernel Newbies]     [Security]     [Linux for Hams]     [Netfilter]     [Git]     [Bugtraq]     [Yosemite News and Information]     [MIPS Linux]     [ARM Linux]     [Linux RAID]     [Linux PCI]     [Linux Admin]     [Samba]

  Powered by Linux