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5.4. Kernel-Related Updates
- The CIFS client has been updated to version 1.48aRH. This is based upon the 1.48a release, with patches that apply the following changes:
- the mount option
sec=noneresults in an anonymous mount - CIFS now honors the
umaskwhen POSIX extensions are enabled - fixed
sec=mount options that request packet signing
Note that for users of the EMC Celerra product (NAS Code 5.5.26.x and below), the CIFS client hangs when accessing shares on EMC NAS. This issue is characterized by the following kernel messages:kernel: CIFS VFS: server not responding kernel: CIFS VFS: No response for cmd 162 mid 380 kernel: CIFS VFS: RFC1001 size 135 bigger than SMB for Mid=384
kernel: CIFS VFS: server not responding kernel: CIFS VFS: No response for cmd 162 mid 380 kernel: CIFS VFS: RFC1001 size 135 bigger than SMB for Mid=384Copy to Clipboard Copied! Toggle word wrap Toggle overflow After a CIFS mount, it becomes impossible to read/write any file on it and any application that attempts an I/O on the mountpoint will hang. To resolve this issue, upgrade to NAS Code 5.5.27.5 or later (use EMC Primus case number emc165978). MODULE_FIRMWAREtags are now supported.- Automatic reboot/dump in case of kernel panic is now supported.
- ICH9 controllers are now supported.
- Greyhound processors are now supported in
CPUIDcalls. Oprofilenow supports new Greyhound performance counter events.- Directed DIAG is now supported to improve z/VM utilization.
- The Intel graphics chipset is now supported through the
DRMkernel module. Further, the DRM API has been upgraded to version 1.3 to support direct rendering. - Updates to
ACPIpower management have improved S3 suspend-to-RAM and S4 hibernate.
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