[Qemu-devel] [Bug 546458] Re: kernel NULL pointer in -virtual (-server) kernel
Just to confirm -- still present, 10.04 LTS up-to-date, UEC images also 10.04 up-to-date. A 2,000 run creating KVM instances under Eucalyptus shows 6 occurences of this OOPS: WARNING:INSTANCE i-3EDE078A:[ 129.998256] BUG: unable to handle kernel NULL pointer dereference at 0358 WARNING:INSTANCE i-406C06CE:[ 89.245841] BUG: unable to handle kernel NULL pointer dereference at 0358 WARNING:INSTANCE i-411D0851:[ 158.375444] BUG: unable to handle kernel NULL pointer dereference at 0358 WARNING:INSTANCE i-4E1C08D4:[ 196.089623] BUG: unable to handle kernel NULL pointer dereference at 0358 WARNING:INSTANCE i-54800A8D:[ 67.825483] BUG: unable to handle kernel NULL pointer dereference at 0358 WARNING:INSTANCE i-5E970AA3:[ 87.610866] BUG: unable to handle kernel NULL pointer dereference at 0358 -- kernel NULL pointer in -virtual (-server) kernel https://bugs.launchpad.net/bugs/546458 You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. Status in QEMU: Invalid Status in “linux” package in Ubuntu: Triaged Status in “qemu-kvm” package in Ubuntu: Confirmed Status in “linux” package in Fedora: Unknown Bug description: When stress testing eucalyptus we have run into this oops inside VMs [ 82.907577] BUG: unable to handle kernel NULL pointer dereference at 0358^M [ 82.908842] IP: [813982e8] sym_int_sir+0x2a8/0x750^M [ 82.909773] PGD 0 ^M [ 82.910110] Thread overran stack, or stack corrupted^M [ 82.910870] Oops: [#1] SMP ^M [ 82.911407] last sysfs file: /sys/devices/virtual/block/ram9/uevent^M We launched 18 instances, 2 of them failed this way. The instances run with 192M of memory. With 6 VM launches on a single node all at the same time the host is under heavy load. This occurred in 20100323 lucid x86_64 uec-image instance. ProblemType: Bug AlsaDevices: Error: command ['ls', '-l', '/dev/snd/'] failed with exit code 2: ls: cannot access /dev/snd/: No such file or directory AplayDevices: Error: [Errno 2] No such file or directory Architecture: amd64 ArecordDevices: Error: [Errno 2] No such file or directory CurrentDmesg: Date: Wed Mar 24 22:06:32 2010 DistroRelease: Ubuntu 10.04 Frequency: Once a day. Lsusb: Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub MachineType: Bochs Bochs Package: linux-image-2.6.32-16-virtual 2.6.32-16.25 PciMultimedia: ProcCmdLine: root=/dev/sda1 console=ttyS0 ProcEnviron: LANG=en_US.UTF-8 SHELL=/bin/bash ProcVersionSignature: User Name 2.6.32-16.25-server Regression: No Reproducible: No SourcePackage: linux TestedUpstream: No Uname: Linux 2.6.32-16-server x86_64 dmi.bios.date: 01/01/2007 dmi.bios.vendor: Bochs dmi.bios.version: Bochs dmi.chassis.type: 1 dmi.chassis.vendor: Bochs dmi.modalias: dmi:bvnBochs:bvrBochs:bd01/01/2007:svnBochs:pnBochs:pvr:cvnBochs:ct1:cvr: dmi.product.name: Bochs dmi.sys.vendor: Bochs
[Qemu-devel] [Bug 584143] Re: qemu fails to set hdd serial number
Marking Triaged/Medium. Debian has accepted the patch, and a new
(patched) package is in Unstable. May be considered for SRU-ing into
10.04 LTS, so nominating.
** Changed in: qemu-kvm (Ubuntu)
Importance: Undecided = Medium
** Changed in: qemu-kvm (Ubuntu)
Status: New = Triaged
** Also affects: qemu-kvm (Ubuntu Lucid)
Importance: Undecided
Status: New
--
qemu fails to set hdd serial number
https://bugs.launchpad.net/bugs/584143
You received this bug notification because you are a member of qemu-
devel-ml, which is subscribed to QEMU.
Status in QEMU: New
Status in “qemu-kvm” package in Ubuntu: Triaged
Status in “qemu-kvm” source package in Lucid: New
Status in “qemu-kvm” package in Debian: Unknown
Bug description:
The -drive ...,serial=xyz option is broken, at least in 0.12. See Debian
bug#573439, http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=573439 for details.
The proposed fix from the original reporter:
--- qemu-kvm-0.12.3+dfsg/vl.c 2010-02-26 11:34:00.0 +0900
+++ qemu-kvm-0.12.3+dfsg.old/vl.c 2010-03-11 02:26:00.134217787 +0900
@@ -2397,7 +2397,7 @@
dinfo-on_write_error = on_write_error;
dinfo-opts = opts;
if (serial)
-strncpy(dinfo-serial, serial, sizeof(serial));
+strncpy(dinfo-serial, serial, sizeof(dinfo-serial));
QTAILQ_INSERT_TAIL(drives, dinfo, next);
if (is_extboot) {
extboot_drive = dinfo;
