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<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Hallo Felipe,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">can you explain is this a generic Problem in rhel or only a scale related. Are there any cicumstance already available? We ask redhat but have no points that this are know to them?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Regards Renar<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
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<p><font style="font-family:Arial;">Renar</font> <font style="font-family:Arial;">Grunenberg</font><br>
<font style="font-family:Arial;">Abteilung Informatik - Betrieb</font><br>
<br>
<font style="font-family:Arial;">HUK-COBURG</font><br>
<font style="font-family:Arial;">Bahnhofsplatz</font><br>
<font style="font-family:Arial;">96444</font> <font style="font-family:Arial;">Coburg</font><br>
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<td><font style="font-family:Arial;"><font style="font-family:Arial;"><font style="font-family:Arial;">Telefon:</font></font></font></td>
<td><font style="font-family:Arial;"><font style="font-family:Arial;"><font style="font-family:Arial;">09561 96-44110</font></font></font></td>
</tr>
<tr>
<td><font style="font-family:Arial;"><font style="font-family:Arial;"><font style="font-family:Arial;">Telefax:</font></font></font></td>
<td><font style="font-family:Arial;"><font style="font-family:Arial;"><font style="font-family:Arial;">09561 96-44104</font></font></font></td>
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<td><font style="font-family:Arial;"><font style="font-family:Arial;"><font style="font-family:Arial;">E-Mail:</font></font></font></td>
<td><font style="font-family:Arial;"><font style="font-family:Arial;">Renar.Grunenberg@huk-coburg.de</font></font></td>
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<td><font style="font-family:Arial;"><font style="font-family:Arial;"><font style="font-family:Arial;">Internet:</font></font></font></td>
<td><font style="font-family:Arial;"><font style="font-family:Arial;"><font style="font-family:Arial;">www.huk.de</font></font></font></td>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Von:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> gpfsug-discuss-bounces@spectrumscale.org <gpfsug-discuss-bounces@spectrumscale.org>
<b>Im Auftrag von </b>Felipe Knop<br>
<b>Gesendet:</b> Montag, 10. Juni 2019 15:43<br>
<b>An:</b> gpfsug main discussion list <gpfsug-discuss@spectrumscale.org><br>
<b>Betreff:</b> Re: [gpfsug-discuss] WG: Spectrum Scale with RHEL7.6 kernel 3.10.0-957.21.2<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p><span style="font-size:10.0pt">Renar,</span><br>
<br>
<span style="font-size:10.0pt">Thanks. Of the changes below, it appears that</span><br>
<br>
* security: double-free attempted in security_inode_init_security() (BZ#1702286)<br>
<br>
<span style="font-size:10.0pt">was the one that ended up triggering the problem. Our investigations now show that RHEL kernels >= 3.10.0-957.19.1 are impacted.</span><br>
<br>
<br>
<span style="font-size:10.0pt">Felipe</span><br>
<br>
<span style="font-size:10.0pt">----<br>
Felipe Knop <a href="mailto:knop@us.ibm.com">knop@us.ibm.com</a><br>
GPFS Development and Security<br>
IBM Systems<br>
IBM Building 008<br>
2455 South Rd, Poughkeepsie, NY 12601<br>
(845) 433-9314 T/L 293-9314<br>
<br>
</span><br>
<br>
<img border="0" width="16" height="16" style="width:.1666in;height:.1666in" id="_x0000_i1025" src="cid:image001.gif@01D52061.D5724510" alt="Inactive hide details for "Grunenberg, Renar" ---06/10/2019 08:43:27 AM---Hallo Felipe, here are the change list:"><span style="font-size:10.0pt;color:#424282">"Grunenberg,
Renar" ---06/10/2019 08:43:27 AM---Hallo Felipe, here are the change list:</span><br>
<br>
<span style="font-size:10.0pt;color:#5F5F5F">From: </span><span style="font-size:10.0pt">"Grunenberg, Renar" <<a href="mailto:Renar.Grunenberg@huk-coburg.de">Renar.Grunenberg@huk-coburg.de</a>></span><br>
<span style="font-size:10.0pt;color:#5F5F5F">To: </span><span style="font-size:10.0pt">"'gpfsug-discuss@spectrumscale.org'" <<a href="mailto:gpfsug-discuss@spectrumscale.org">gpfsug-discuss@spectrumscale.org</a>></span><br>
<span style="font-size:10.0pt;color:#5F5F5F">Date: </span><span style="font-size:10.0pt">06/10/2019 08:43 AM</span><br>
<span style="font-size:10.0pt;color:#5F5F5F">Subject: </span><span style="font-size:10.0pt">[EXTERNAL] [gpfsug-discuss] WG: Spectrum Scale with RHEL7.6 kernel 3.10.0-957.21.2</span><br>
<span style="font-size:10.0pt;color:#5F5F5F">Sent by: </span><span style="font-size:10.0pt"><a href="mailto:gpfsug-discuss-bounces@spectrumscale.org">gpfsug-discuss-bounces@spectrumscale.org</a></span><o:p></o:p></p>
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Hallo Felipe,<br>
<br>
here are the change list:<br>
RHBA-2019:1337 kernel bug fix update<br>
<br>
<br>
Summary:<br>
<br>
Updated kernel packages that fix various bugs are now available for Red Hat Enterprise Linux 7.<br>
<br>
The kernel packages contain the Linux kernel, the core of any Linux operating system.<br>
<br>
This update fixes the following bugs:<br>
<br>
* Mellanox CX-5 MAC learning with OVS H/W offload not working (BZ#1686292)<br>
<br>
* RHEL7.4 NFS4.1 client and server repeated SEQUENCE / TEST_STATEIDs with SEQUENCE Reply has SEQ4_STATUS_RECALLABLE_STATE_REVOKED set - NFS server should return NFS4ERR_DELEG_REVOKED or NFS4ERR_BAD_STATEID for revoked delegations (BZ#1689811)<br>
<br>
* PANIC: "BUG: unable to handle kernel paging request" in the mtip32xx mtip_init_cmd_header routine (BZ#1689929)<br>
<br>
* The nvme cli delete-ns command hangs indefinitely. (BZ#1690519)<br>
<br>
* drm/nouveau: nv50 - Graphics become sluggish or frozen for nvidia Pascal cards (Regression from 1584963) - Need to flush fb writes when rewinding push buffer (BZ#1690761)<br>
<br>
* [CEE/SD] Ceph+NFS server crashed and rebooted due to CephFS kernel client issue (BZ#1692266)<br>
<br>
* [Mellanox OVS offload] tc fails to calculate the checksum in case vlan trunk and header rewrite (BZ#1693110)<br>
<br>
* aio O_DIRECT writes to non-page-aligned file locations on ext4 can result in the overlapped portion of the page containing zeros (BZ#1693561)<br>
<br>
* [HP WS 7.6 bug] Audio driver does not recognize multi function audio jack microphone input (BZ#1693562)<br>
<br>
* XFS returns ENOSPC when using extent size hint with space still available (BZ#1693796)<br>
<br>
* OVN requires IPv6 to be enabled (BZ#1694981)<br>
<br>
* breaks DMA API for non-GPL drivers (BZ#1695511)<br>
<br>
* ovl_create can return positive retval and crash the host (BZ#1696292)<br>
<br>
* ceph: append mode is broken for sync/direct write (BZ#1696595)<br>
<br>
* Problem building module due to -EXPORT_SYMBOL_GPL/-EXPORT_SYMBOL (BZ#1697241)<br>
<br>
* Failed to load kpatch module after install the rpm package occasionally on ppc64le (BZ#1697867)<br>
<br>
* [Hyper-V][RHEL7] Stop suppressing PCID bit (BZ#1697940)<br>
<br>
* Resizing an online EXT4 filesystem on a loopback device hangs (BZ#1698110)<br>
<br>
* dm table: propagate BDI_CAP_STABLE_WRITES (BZ#1699722)<br>
<br>
* [ESXi][RHEL7.6]After upgrade to kernel-3.10.0-957.el7, system is unable to discover newly added VMware LSI Logic SAS virtual disks without a reboot. (BZ#1699723)<br>
<br>
* kernel: zcrypt: fix specification exception on z196 at ap probe (BZ#1700706)<br>
<br>
* XFS: Metadata corruption detected at xfs_attr3_leaf_write_verify() (BZ#1701293)<br>
<br>
* stime showed huge values related to wrong calculation of time deltas (L3:) (BZ#1701743)<br>
<br>
* Kernel panic due to NULL pointer dereference at sysfs_do_create_link_sd.isra.2+0x34 while loading [ipmi_si] module using hard-coded device (BZ#1701991)<br>
<br>
* IPv6 ECMP modulo N hashing inefficient when X^2 rt6i_nsiblings (BZ#1702282)<br>
<br>
* security: double-free attempted in security_inode_init_security() (BZ#1702286)<br>
<br>
* Missing wakeup leaves task stuck waiting in blk_queue_enter() (BZ#1702921)<br>
<br>
* Satellite Capsule sync triggers several XFS corruptions (BZ#1702922)<br>
<br>
* BUG: SELinux doesn't handle NFS crossmnt well (BZ#1702923)<br>
<br>
* md_clear flag missing from /proc/cpuinfo on late microcode update (BZ#1712993)<br>
<br>
* MDS mitigations are not enabled after double microcode update (BZ#1712998)<br>
<br>
* WARNING: CPU: 0 PID: 0 at kernel/jump_label.c:90 __static_key_slow_dec+0xa6/0xb0 (BZ#1713004)<br>
<br>
Users of kernel are advised to upgrade to these updated packages, which fix these bugs.<br>
<br>
Full details and references:<br>
<br>
<a href="https://access.redhat.com/errata/RHBA-2019:1337?sc_cid=701600000006NHXAA2">https://access.redhat.com/errata/RHBA-2019:1337?sc_cid=701600000006NHXAA2</a><br>
<br>
Revision History:<br>
<br>
Issue Date: 2019-06-04<br>
Updated: 2019-06-04<br>
<br>
Regards Renar<o:p></o:p></p>
<p>Renar Grunenberg<br>
Abteilung Informatik - Betrieb<br>
<br>
HUK-COBURG<br>
Bahnhofsplatz<br>
96444 Coburg<o:p></o:p></p>
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<td width="59" style="width:42.0pt;padding:0cm 0cm 0cm 0cm">
<p class="MsoNormal">Telefon:<o:p></o:p></p>
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<td width="236" style="width:177.0pt;padding:0cm 0cm 0cm 0cm">
<p class="MsoNormal">09561 96-44110<o:p></o:p></p>
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<p class="MsoNormal">Telefax:<o:p></o:p></p>
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<p class="MsoNormal">09561 96-44104<o:p></o:p></p>
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<p class="MsoNormal"><a href="mailto:Renar.Grunenberg@huk-coburg.de">Renar.Grunenberg@huk-coburg.de</a><o:p></o:p></p>
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<p class="MsoNormal"><a href="http://www.huk.de">www.huk.de</a><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:10.0pt">HUK-COBURG Haftpflicht-Unterstützungs-Kasse kraftfahrender Beamter Deutschlands a. G. in Coburg<br>
Reg.-Gericht Coburg HRB 100; St.-Nr. 9212/101/00021<br>
Sitz der Gesellschaft: Bahnhofsplatz, 96444 Coburg<br>
Vorsitzender des Aufsichtsrats: Prof. Dr. Heinrich R. Schradin.<br>
Vorstand: Klaus-Jürgen Heitmann (Sprecher), Stefan Gronbach, Dr. Hans Olav Herøy, Dr. Jörg Rheinländer (stv.), Sarah Rössler, Daniel Thomas.</span><o:p></o:p></p>
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Any unauthorized copying, disclosure or distribution of the material in this information is strictly forbidden.</span><o:p></o:p></p>
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<b><span style="font-family:"Calibri",sans-serif">Von:</span></b><span style="font-family:"Calibri",sans-serif">
</span><a href="mailto:gpfsug-discuss-bounces@spectrumscale.org"><span style="font-family:"Calibri",sans-serif">gpfsug-discuss-bounces@spectrumscale.org</span></a><span style="font-family:"Calibri",sans-serif"> [</span><a href="mailto:gpfsug-discuss-bounces@spectrumscale.org"><span style="font-family:"Calibri",sans-serif">mailto:gpfsug-discuss-bounces@spectrumscale.org</span></a><span style="font-family:"Calibri",sans-serif">]
<b>Im Auftrag von </b>Felipe Knop<b><br>
Gesendet:</b> Montag, 10. Juni 2019 06:41<b><br>
An:</b> gpfsug main discussion list <</span><a href="mailto:gpfsug-discuss@spectrumscale.org"><span style="font-family:"Calibri",sans-serif">gpfsug-discuss@spectrumscale.org</span></a><span style="font-family:"Calibri",sans-serif">><b><br>
Betreff:</b> Re: [gpfsug-discuss] Spectrum Scale with RHEL7.6 kernel 3.10.0-957.21.2</span><o:p></o:p></p>
<p><span style="font-size:10.0pt">Hi,</span><br>
<span style="font-size:10.0pt"><br>
Though we are still learning what workload results in the problem, it appears that even minimal I/O on the file system may cause the OS to crash. One pattern that we saw was 'mkdir'. There is a chance that the DR site was not yet impacted because no I/O workload
has been run there. In that case, rolling back to the prior kernel level (one which has been tested before) may be advisable.</span><br>
<span style="font-size:10.0pt"><br>
Felipe</span><br>
<span style="font-size:10.0pt"><br>
----<br>
Felipe Knop </span><a href="mailto:knop@us.ibm.com"><span style="font-size:10.0pt">knop@us.ibm.com</span></a><span style="font-size:10.0pt"><br>
GPFS Development and Security<br>
IBM Systems<br>
IBM Building 008<br>
2455 South Rd, Poughkeepsie, NY 12601<br>
(845) 433-9314 T/L 293-9314<br>
</span><br>
<br>
<br>
<img border="0" width="16" height="16" style="width:.1666in;height:.1666in" id="_x0000_i1030" src="cid:image001.gif@01D52061.D5724510" alt="Inactive hide details for KG ---06/09/2019 09:38:55 AM---One of my customer already upgraded their DR site. Is rollback advised"><span style="font-size:10.0pt;color:#424282">KG
---06/09/2019 09:38:55 AM---One of my customer already upgraded their DR site. Is rollback advised? They will be running from DR</span><br>
<span style="font-size:10.0pt;color:#5F5F5F"><br>
From: </span><span style="font-size:10.0pt">KG <</span><a href="mailto:spectrumscale@kiranghag.com"><span style="font-size:10.0pt">spectrumscale@kiranghag.com</span></a><span style="font-size:10.0pt">><span style="color:#5F5F5F"><br>
To: </span>gpfsug main discussion list <</span><a href="mailto:gpfsug-discuss@spectrumscale.org"><span style="font-size:10.0pt">gpfsug-discuss@spectrumscale.org</span></a><span style="font-size:10.0pt">><span style="color:#5F5F5F"><br>
Date: </span>06/09/2019 09:38 AM<span style="color:#5F5F5F"><br>
Subject: </span>[EXTERNAL] Re: [gpfsug-discuss] Spectrum Scale with RHEL7.6 kernel 3.10.0-957.21.2<span style="color:#5F5F5F"><br>
Sent by: </span></span><a href="mailto:gpfsug-discuss-bounces@spectrumscale.org"><span style="font-size:10.0pt">gpfsug-discuss-bounces@spectrumscale.org</span></a><o:p></o:p></p>
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<br>
<br>
<br>
One of my customer already upgraded their DR site.<br>
<br>
Is rollback advised? They will be running from DR site for a day in another week.<br>
<br>
On Sat, Jun 8, 2019, 03:37 Felipe Knop <<a href="mailto:knop@us.ibm.com">knop@us.ibm.com</a>> wrote:
<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:72.0pt"><span style="font-size:10.0pt">Zach,<br>
<br>
This appears to be affecting all Scale versions, including 5.0.2 -- but only when moving to the new 3.10.0-957.21.2 kernel. (3.10.0-957 is not impacted)<br>
<br>
Felipe<br>
<br>
----<br>
Felipe Knop </span><a href="mailto:knop@us.ibm.com" target="_blank"><span style="font-size:10.0pt">knop@us.ibm.com</span></a><span style="font-size:10.0pt"><br>
GPFS Development and Security<br>
IBM Systems<br>
IBM Building 008<br>
2455 South Rd, Poughkeepsie, NY 12601<br>
(845) 433-9314 T/L 293-9314</span><br>
<br>
<br>
<span style="font-size:10.0pt;color:#424282"><br>
Zachary Mance ---06/07/2019 05:51:37 PM---Which versions of Spectrum Scale versions are you referring to? 5.0.2-3? ---------------------------</span><span style="font-size:10.0pt;color:#5F5F5F"><br>
<br>
From: </span><span style="font-size:10.0pt">Zachary Mance <</span><a href="mailto:zmance@ucar.edu" target="_blank"><span style="font-size:10.0pt">zmance@ucar.edu</span></a><span style="font-size:10.0pt">><span style="color:#5F5F5F"><br>
To: </span>gpfsug main discussion list <</span><a href="mailto:gpfsug-discuss@spectrumscale.org" target="_blank"><span style="font-size:10.0pt">gpfsug-discuss@spectrumscale.org</span></a><span style="font-size:10.0pt">><span style="color:#5F5F5F"><br>
Date: </span>06/07/2019 05:51 PM<span style="color:#5F5F5F"><br>
Subject: </span>[EXTERNAL] Re: [gpfsug-discuss] Spectrum Scale with RHEL7.6 kernel 3.10.0-957.21.2<span style="color:#5F5F5F"><br>
Sent by: </span></span><a href="mailto:gpfsug-discuss-bounces@spectrumscale.org" target="_blank"><span style="font-size:10.0pt">gpfsug-discuss-bounces@spectrumscale.org</span></a><o:p></o:p></p>
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<br>
<br>
<br>
Which versions of Spectrum Scale versions are you referring to? 5.0.2-3?<span style="font-size:10.0pt;font-family:"Helvetica",sans-serif"><br>
---------------------------------------------------------------------------------------------------------------<br>
Zach Mance </span><a href="mailto:zmance@ucar.edu" target="_blank"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif">zmance@ucar.edu</span></a><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif"> (303) 497-1883
</span><span style="font-size:10.0pt"><br>
HPC Data Infrastructure Group</span><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif"> / CISL / NCAR<br>
---------------------------------------------------------------------------------------------------------------
</span><br>
<br>
<br>
On Fri, Jun 7, 2019 at 3:45 PM Felipe Knop <<a href="mailto:knop@us.ibm.com" target="_blank">knop@us.ibm.com</a>> wrote:
<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:216.0pt"><span style="font-size:10.0pt">All,<br>
<br>
There have been reported issues (including kernel crashes) on Spectrum Scale with the latest RHEL7.6 kernel 3.10.0-957.21.2. Please consider delaying upgrades to this kernel until further information is provided.
<br>
<br>
Thanks,<br>
<br>
Felipe<br>
<br>
----<br>
Felipe Knop </span><a href="mailto:knop@us.ibm.com" target="_blank"><span style="font-size:10.0pt">knop@us.ibm.com</span></a><span style="font-size:10.0pt"><br>
GPFS Development and Security<br>
IBM Systems<br>
IBM Building 008<br>
2455 South Rd, Poughkeepsie, NY 12601<br>
(845) 433-9314 T/L 293-9314</span><br>
<br>
<br>
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_______________________________________________<br>
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