<html><head><style type='text/css'>body { font-family: 'Arial'; font-size: 10pt; color: #000000}</style></head><body>Thanks for the info - I'll look for the update. I still get the panic, regardless of memory settings.<br><br><br>----- Original Message -----<br>From: "Chris Lalancette" <clalance@redhat.com><br>To: "Jim Klein" <jklein@saugus.k12.ca.us><br>Cc: "fedora-xen" <fedora-xen@redhat.com><br>Sent: Wednesday, October 31, 2007 9:25:52 AM (GMT-0800) America/Los_Angeles<br>Subject: Re: [Fedora-xen] RHEL4 DomU Update Problem<br><br>Jim Klein wrote:<br>> <br>> Kernel panics (lots of them, all the same):<br>> kernel BUG at arch/i386/mm/pgtable-xen.c:306!<br>> invalid operand: 0000 [#1]<br>> SMP<br>> Modules linked in: ext3 jbd dm_mod xenblk sd_mod scsi_mod<br>> CPU: 0<br>> EIP: 0061:[<c011163a>] Not tainted VLI<br>> EFLAGS: 00010282 (2.6.9-55.0.9.ELxenU)<br>> EIP is at pgd_ctor+0x1d/0x26<br>> eax: fffffff4 ebx: 00000000 ecx: f5392000 edx: 00000000<br>> esi: c19fdd80 edi: eca6aaa0 ebp: 00000001 esp: ecb3cd6c<br>> ds: 007b es: 007b ss: 0068<br>> Process 10-udev.hotplug (pid: 398, threadinfo=ecb3c000 task=ecb2a070)<br>> Stack: c0141b69 ecb4b000 c19fdd80 00000001 ecb4b000 eca6aaa0 c19fdd80<br>> c19fde40<br>> c0141ceb c19fdd80 eca6aaa0 00000001 c19fdd80 eca6aaa0 ecb4b000<br>> 00000010<br>> 00000001 000000d0 c1a1b080 0000000c c19fde08 c19fdd80 c0141eda<br>> c19fdd80<br>> Call Trace:<br>> [<c0141b69>] cache_init_objs+0x35/0x56<br>> [<c0141ceb>] cache_grow+0xfb/0x187<br>> [<c0141eda>] cache_alloc_refill+0x163/0x19c<br>> [<c01420f5>] kmem_cache_alloc+0x67/0x97<br>> [<c0111671>] pgd_alloc+0x17/0x336<br>> [<c01199d4>] mm_init+0xd7/0x116<br>> [<c01199e4>] mm_init+0xe7/0x116<br>> [<c0119c8a>] copy_mm+0xbb/0x396<br>> [<c0268f10>] __cond_resched+0x14/0x3c<br>> [<c011aa5a>] copy_process+0x6b5/0xb0b<br>> [<c011af9d>] do_fork+0x8a/0x16b<br>> [<c0107507>] error_code+0x2b/0x30<br>> [<c0105d2c>] sys_clone+0x24/0x28<br>> [<c010737f>] syscall_call+0x7/0xb<br>> Code: 74 02 66 a5 a8 01 74 01 a4 5e 5b 5e 5f c3 80 3d 04 07 2f c0 00 75<br>> 1c 6a 20 6a 00 ff 74 24 0c e8 ce 37 00 00 83 c4 0c 85 c0 74 08 <0f> 0b<br>> 32 01 b6 31 27 c0 c3 80 3d 04 07 2f c0 00 75 0d c7 44 24<br>> <0>Fatal exception: panic in 5 seconds<br><br>OK. This crash is a bug in the 4.5 kernel that I've now fixed. It should be<br>fixed when 4.6 comes out. In the meantime, you probably should be able to work<br>around this bug by reducing the amount of memory you are assigning to that domain.<br><br>Chris Lalancette<br></body></html>