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While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:
apport-collect 1834410
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable
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the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
** Tags added: eoan
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https://bugs.launchpad.net/bugs/1834410
Title:
iTCO watchdog No Reboot bit needs to move from side band to a TCOBASE
register bit
Status in intel:
New
Status in linux package in Ubuntu:
Incomplete
Bug description:
Description:
CDF has the WDT No Reboot bit as bit one of P2SB.SBREG_BAR64 +CF0000h + Ch
which is cannot be read from the OS.
This issue manifest itself in Linux by a -EBUSY error when loading the
iTCO_wdt driver.
[ 23.060317] intel_rapl: Found RAPL domain package
[ 23.068017] intel_rapl: RAPL package 0 domain package locked by BIOS
[ 23.080641] FAT-fs (sdb1): Volume was not properly unmounted. Some data
may be corrupt. Please run fsck.
[ 23.203352] iTCO_vendor_support: vendor-support=0
[ 23.220844] iTCO_wdt: Intel TCO WatchDog Timer Driver v1.11
[ 23.221060] iTCO_wdt iTCO_wdt: can't request region for resource [mem
0x00c5fffc-0x00c5ffff]
[ 23.221072] iTCO_wdt: probe of iTCO_wdt failed with error -16
[ 23.224465] Adding 4194300k swap on /dev/mapper/rhel-swap. Priority:-2
extents:1 across:4194300k SSFS
[ 24.614448] XFS (dm-2): Mounting V5 Filesystem
[ 24.632588] XFS (dm-2): Starting recovery (logdev: internal)
[ 24.642160] XFS (dm-2): Ending recovery (logdev: internal)
[ 24.754306] RPC: Registered named UNIX socket transport module.
[ 24.760402] RPC: Registered udp transport module.
In systems that have a WDAT table, this is not an issue as such table
contains the watchdog information. However, Jacobsville will not have a WDAT
table. Therefore, when creating the iTCO_wdt platform device (in
drivers/i2c/busses/i2c-i801.c), we need to take care of the updated location.
Please see attached document.
This update will be available in Cedar Fork B0.
This issue is being tracked in the HSD
https://hsdes.intel.com/appstore/article/#/2007770607.
Target Kernel: TBD
Target Release: 19.10
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