Package: linux-2.6 Version: 2.6.32-30 Severity: important The kernel version shipped with squeeze fails to boot with our Dell Poweredge R310 server, when using Xen hypervisor. The last line visible is "Scrubbing Free RAM: ...."
As described in this forum post: http://xen.1045712.n5.nabble.com/xen4-kernel-crash-2-6-32-5-xen-amd64-poweredge-R710-w-s-td3262651.html This patch fixes the issue: http://git.kernel.org/?p=linux/kernel/git/jeremy/xen.git;a=commit;h=fa9bb82fe5b971cdbea301b76c9be709c4c34b29 I can verify that making this change fixed the issue for us. We're running an i386 kernel on the server, if that matters. I've copied the patch here too: diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c index 2189432..eed895e 100644 (file) --- a/arch/x86/xen/setup.c +++ b/arch/x86/xen/setup.c @@ -87,6 +87,11 @@ static unsigned long __init xen_release_chunk(phys_addr_t start_addr, if (end <= start) return 0; + if (end < PFN_DOWN(ISA_END_ADDRESS)) + return 0; + if (start < PFN_DOWN(ISA_END_ADDRESS)) + start = PFN_DOWN(ISA_END_ADDRESS); + printk(KERN_INFO "xen_release_chunk: looking at area pfn %lx-%lx: ", start, end); for(pfn = start; pfn < end; pfn++) { @@ -159,6 +164,7 @@ char * __init xen_memory_setup(void) rc = HYPERVISOR_memory_op(XENMEM_memory_map, &memmap); if (rc == -ENOSYS) { + BUG_ON(xen_initial_domain()); memmap.nr_entries = 1; map[0].addr = 0ULL; map[0].size = mem_end; @@ -196,9 +202,13 @@ char * __init xen_memory_setup(void) } /* - * Even though this is normal, usable memory under Xen, reserve - * ISA memory anyway because too many things think they can poke + * In domU, the ISA region is normal, usable memory, but we + * reserve ISA memory anyway because too many things poke * about in there. + * + * In Dom0, the host E820 information can leave gaps in the + * ISA range, which would cause us to release those pages. To + * avoid this, we unconditionally reserve them here. */ e820_add_region(ISA_START_ADDRESS, ISA_END_ADDRESS - ISA_START_ADDRESS, E820_RESERVED); -- Package-specific info: ** Kernel log: boot messages should be attached I can send a video if you want, but I can tell that the patch works. -- System Information: Debian Release: 6.0 APT prefers unstable APT policy: (500, 'unstable'), (500, 'stable') Architecture: i386 (i686) -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
