[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH] xen/netback: Fix null-pointer access in netback_uevent
On Thu, Jul 29, 2010 at 12:47:15PM +0100, Ian Campbell wrote: > On Wed, 2010-07-28 at 17:20 +0100, Bastian Blank wrote: > > 78b55f90e72348e231092dbe3e50ac7414b9e1af still fails: > > | BUG: unable to handle kernel NULL pointer dereference at 0000000000000150 > > | IP: [<ffffffff81200764>] netback_uevent+0x8c/0xb9 > I tried to reproduce this on squeeze (installed this morning) but > without luck. I'm running on amd64 with the hypervisor and tools from > squeeze and your > linux-image-2.6.32-5-xen-amd64_2.6.32-19~xen.2_amd64.deb test package > (md5 e3bb29be9588fa75b7740c046352b15b). Its a race condition, so you may or may not see it. It is rather good reproducible on my test machine with 12 cores and a lot of guest creations running at once (32 to be exact in my case). > Did you apply a fix/workaround to your package? Yes, this is included since 2.6.32-15. > I'm about to try with a > pristine 78b55f90e72348e231092dbe3e50ac7414b9e1af from xen.git but any > tips on reproducing gratefully accepted. Try linux-image-2.6.32-5-xen-amd64_2.6.32-19~xen.1_amd64.deb, the only difference to the newer is that the fix is again included. Bastian -- "Get back to your stations!" "We're beaming down to the planet, sir." -- Kirk and Mr. Leslie, "This Side of Paradise", stardate 3417.3 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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