Red Hat Bugzilla – Bug 709515
Kernel panic at nfs4_callback_compound+0x2dd
Last modified: 2014-03-03 19:07:28 EST
May 22 03:00:01 thcol004 kernel: NFSv4 callback reply buffer overflowed! May 22 03:00:01 thcol004 kernel: NFSv4 callback reply buffer overflowed! May 22 03:00:01 thcol004 kernel: Unable to handle kernel NULL pointer dereference at 0000000000000000 RIP: May 22 03:00:01 thcol004 kernel: [<ffffffff88559362>] :nfs:nfs4_callback_compound+0x2dd/0x314 May 22 03:00:01 thcol004 kernel: PGD 174f61067 PUD 1796b2067 PMD 0 May 22 03:00:01 thcol004 kernel: Oops: 0002 [1] SMP May 22 03:00:01 thcol004 kernel: last sysfs file: /devices/pci0000:00/0000:00:01.0/0000:02:00.1/irq May 22 03:00:01 thcol004 kernel: CPU 7 May 22 03:00:01 thcol004 kernel: Modules linked in: mptctl(U) sg ipmi_devintf ipmi_si ipmi_msghandler autofs4 nfs fscache nfs_acl lockd sunrpc bonding ipv6 xfrm_nalgo crypto_api loop dm_mirror dm_multipath scsi_dh video backlight sbs power_meter hwmon i2c_ec i2c_core dell_wmi wmi button battery asus_acpi acpi_memhotplug ac parport_pc lp parport bnx2x(U) hpilo 8021q serio_raw pcspkr dm_raid45 dm_message dm_region_hash dm_log dm_mod dm_mem_cache mptspi(U) scsi_transport_spi mptsas(U) mptscsih(U) scsi_transport_sas shpchp cciss(U) ext3 jbd uhci_hcd ohci_hcd ehci_hcd hpahcisr(PU) sd_mod scsi_mod mptbase(U) Version-Release number of selected component (if applicable): RHEL5, .194 kernel How reproducible: Unknown. Seen in the following customer environments: Environment1: - Red Hat Enterprise Linux 5.4 - x86_64 Architecture - kernel version 2.6.18-164.6.1.el5 - NFS Server is a netapp filer running 7.3.2 Data On Tap - NFSv4 protocol Environment2: - Red Hat Enterprise Linux 5.5 - x86_64 Architecture - kernel version 2.6.18-194.el5 - NFS Server is a netapp filer running 7.3.3P3 Data On Tap - NFSv4 protocol
Created attachment 502118 [details] Backported patch from upstream commit 3a6258e1fb5ff717dcefa04afc35f81aaae3f3e0 Backported this patch: http://git.kernel.org/?p=linux%2Fkernel%2Fgit%2Ftorvalds%2Flinux-2.6.git;a=commitdiff_plain;h=3a6258e1fb5ff717dcefa04afc35f81aaae3f3e0 Against kernel-2.6.18-264.el5 git tree: commit da097d169c3d2713b8c835a29d79a5a2d26d9113 Author: Jarod Wilson <jarod@redhat.com> Date: Tue May 24 14:37:53 2011 -0400 tag: kernel-2.6.18-264.el5
Looks reasonable to consider for 5.8. Since Dave has a patch, I'll go ahead and assign it to him. Dave, feel free to assign it to me if you don't want to post the patch for some reason.
Ok, I posted the patch to rhkernel-list: http://post-office.corp.redhat.com/archives/rhkernel-list/2011-July/msg00449.html
This request was evaluated by Red Hat Product Management for inclusion in a Red Hat Enterprise Linux maintenance release. Product Management has requested further review of this request by Red Hat Engineering, for potential inclusion in a Red Hat Enterprise Linux Update release for currently deployed products. This request is not yet committed for inclusion in an Update release.
Patch(es) available in kernel-2.6.18-288.el5 You can download this test kernel (or newer) from http://people.redhat.com/jwilson/el5 Detailed testing feedback is always welcomed.
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. http://rhn.redhat.com/errata/RHSA-2012-0150.html