Rob See
2005-Aug-08 15:34 UTC
[Xen-devel] [Fwd: Poweredge 2600] and Timer ISR/0: Time went backwards errors with FC4/xen-unstable
I don''t mean to be pushy, but does anyone have any suggestions/comments on this one. I''m using the same version of the kernel on a Poweredge 1850 without the same timer errors or oopses. Thanks, -Rob -------- Original Message -------- Subject: Poweredge 2600 Date: Thu, 04 Aug 2005 13:49:45 -0400 From: Rob See <rob@rsee.net> To: xen-users@lists.xensource.com, Xen-devel@lists.xensource.com All, I''m running into the following oops with a Poweredge 2600 (also an E7500 based machine) Does anyone have any suggestions ? The machine seems to work OK with a standard i386 kernel, and has had a problem similar to this with Xen 2.0.5-2.0.6 and build 1370 of the FC4 kernel which I believe is based on xen-unstable from early May. Is this a problem that the noirqbalance might fix ? Its got 1gig of RAM which I have swapped out. I also recently added an additional 1gig and I''m still seeing these problems. The uptime was around 5 days. I believe that my Amanda nightly tape backup was running at this time (dumps to a LTO tape drive plugged into an Adaptec AHA-3960D / AIC-7899A U160/m (rev 01)). Also on a side note I''m seeing the following messages on the same machine: Timer ISR/0: Time went backwards: delta=-29990000 cpu_delta=20010000 shadow=152010000000 off=11000 processed=152040000000 cpu_processed=151990000000 0: 151990000000 1: 151990000000 2: 152040000000 3: 151990000000 Thanks for any help. -Rob Aug 4 04:02:02 hamilton kernel: Modules linked in: nfs lockd bridge md5 ipv6 parport_pc lp parport autofs4 i2c_dev i2c_core sunrpc uhci_hcd e1000 sg st dm_snapshot dm_zero dm_mirror ext3 jbd dm_mod megaraid_mbox megaraid_mm aic7xxx scsi_transport_spi sd_mod scsi_mod Aug 4 04:02:02 hamilton kernel: CPU: 1 Aug 4 04:02:02 hamilton kernel: EIP: 0061:[<c017e384>] Not tainted VLI Aug 4 04:02:02 hamilton kernel: EFLAGS: 00010283 (2.6.11-1.1370_FC4.rootxen0) Aug 4 04:02:02 hamilton kernel: EIP is at iput+0x14/0x70 Aug 4 04:02:02 hamilton kernel: eax: 00000000 ebx: cd3341cc ecx: cd334100 edx: c03b6f00 Aug 4 04:02:02 hamilton kernel: esi: c4d9cad8 edi: c4d9cae0 ebp: 00000080 esp: c8ad1d7c Aug 4 04:02:02 hamilton kernel: ds: 0069 es: 0069 ss: 0069 Aug 4 04:02:02 hamilton kernel: Process find (pid: 5685, threadinfo=c8ad0000 task=cf0f3020) Aug 4 04:02:02 hamilton kernel: Stack: cd3341cc c017b55f 00000000 0000008a 00000000 c07d5a00 c017b9c4 c014f0ec Aug 4 04:02:02 hamilton kernel: 0012d900 00000000 0000c7fb 00000018 00000000 000080d2 00000020 0000000a Aug 4 04:02:02 hamilton kernel: c8ad1de0 c8ad1e48 c0354c20 c01501a7 0000c7fa 00000000 00000000 00000000 Aug 4 04:02:02 hamilton kernel: Call Trace: Aug 4 04:02:02 hamilton kernel: [<c017b55f>] prune_dcache+0x10f/0x1a0 Aug 4 04:02:02 hamilton kernel: [<c017b9c4>] shrink_dcache_memory+0x14/0x40 Aug 4 04:02:02 hamilton kernel: [<c014f0ec>] shrink_slab+0xfc/0x160 Aug 4 04:02:02 hamilton kernel: [<c01501a7>] try_to_free_pages+0xe7/0x1d0 Aug 4 04:02:02 hamilton kernel: [<c01507ac>] wakeup_kswapd+0x6c/0xa7 Aug 4 04:02:02 hamilton kernel: [<c0148e4d>] __alloc_pages+0xdd/0x430 Aug 4 04:02:02 hamilton kernel: [<c0153f0a>] do_anonymous_page+0xca/0x200 Aug 4 04:02:02 hamilton kernel: [<c01e2248>] copy_to_user+0x58/0x80 Aug 4 04:02:02 hamilton kernel: [<c01540a8>] do_no_page+0x68/0x340 Aug 4 04:02:02 hamilton kernel: [<c015460c>] handle_mm_fault+0x18c/0x1f0 Aug 4 04:02:02 hamilton kernel: [<c0115417>] do_page_fault+0x1d7/0x65d Aug 4 04:02:02 hamilton kernel: [<c015659f>] do_mmap_pgoff+0x55f/0x7d0 Aug 4 04:02:02 hamilton kernel: [<c0112dc4>] sys_mmap2+0x94/0xd0 Aug 4 04:02:02 hamilton kernel: [<c010978a>] page_fault+0x4e/0x54 Aug 4 04:02:02 hamilton kernel: Code: fd ff ff 8d 74 26 00 e9 cb fe ff ff 8d 74 26 00 8d bc 27 00 00 00 00 53 85 c0 89 c3 74 4c 83 bb 44 01 00 00 20 8b 80 ac 00 00 00 <8b> 40 24 74 49 85 c0 74 07 8b 50 14 85 d2 75 31 8d 43 24 ba 74 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel