Recommended update of KERNEL sources
(Last modified: 02MAY2002)
solutions Recommended update of KERNEL sources SuSE Linux Maintenance Web (13182507eba3874813d2cec6030340b8)
"Recommended update for KERNEL (k_deflt) " (http://sdb.suse.de/en/psdb/html/fce728ea8497972e14a574eca01eb382.html)
"Recommended update for KERNEL (k_timer) " (http://sdb.suse.de/en/psdb/html/ffa636bf8a54633eab21a2807d3a5364.html)
and need to recompile the kernel or compile additional modules.
This update includes IBM patches up to code drop 2002-04-15 (linux-2.4.7-s390-7.tar.gz) as well as some SuSE patches. It fixes the following problems:
- Hanging processes while simultanious DASD and network I/O. The flag for a disk I/O interrupt accidently gets reset under certain circumstances, leaving the process accessing the disk waiting for a finished I/O transfer.
/proc/dasd/devicesreports wrong read-only/read-write status for devices that have been modified with the BLKROSET I/O control.
- System crash in DASD device start because of the bottom half called too early with a request on the block device queue which requeues it to the internal DASD queue even though the device isn't completely initialized yet.
- DASD devices that are addressed with the DIAG discipline do not work.
- The IUCV interface does not work after a reboot due to faulty shutdown. The CPU that has brought up the interface must shut it down, which wasn't guaranteed.
- Late machine check handling because of not setting the check enable bit in the PSW.
- System either loops or ends with disabled wait when trying to reboot.
- Device inaccessible after CHPID offline/online cycle.
- Possible Kernel Oops when writing to
/proc/cio_ignoredue to off-by-one error in calculation of buffer size.
- The security fix to prevent a symbolic link DoS reduced the maximum symlink depth from 8 to 5, breaking applications like DB2 that rely on deep linking. The reduction is unnecessary to avoid the DoS.
- Provides dummy network device as a module.
- Includes the timer patch to reduce load on sites with many linux systems running under VM/ESA. The patch changes the fixed 100 Hz timer interrupt to on-demand timer interrupts.
- IBM OCO Drop 2002-03-01 for HiperSocket support. This is available on z/VM 4.2 only and requires the application of the PTFs for the following APARs: VM62938 and VM63034. Please check the VM service information for the the latest available updates: VM Info-APAR II12444 contains useful information for using Linux under VM.
rpm -Uvh kernel-source.rpm
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