-- proposed verification --
ubuntu@helo:~$ uname -a
Linux helo 4.15.0-34-generic #37-Ubuntu SMP Mon Aug 27 15:22:18 UTC 2018
aarch64 aarch64 aarch64 GNU/Linux
ubuntu@helo:~$
Ran the test:
for i in {1..200}; do sudo ipmitool sel list ; sudo ipmitool sensor list ; sudo
ipmitool sdr list ; sudo ipmitool sel list ; done
Test ran for more than 8hrs and did not produce any errors in dmesg.
** Tags removed: verification-needed-bionic
** Tags added: verification-done-bionic
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https://bugs.launchpad.net/bugs/1787240
Title:
[Bionic] i2c: xlp9xx: Fix case where SSIF read transaction completes
early
Status in linux package in Ubuntu:
Fix Committed
Status in linux source package in Bionic:
Fix Committed
Bug description:
[Impact]
i2c: xlp9xx: Fix case where SSIF read transaction completes early
During ipmi stress tests we see occasional failure of transactions
at the boot time. This happens in the case of a I2C_M_RECV_LEN
transactions, when the read transfer completes (with the initial
read length of 34) before the driver gets a chance to handle interrupts.
[Test]
Use ipmitool to generate a lot of data read, run multiple instances of the
following test:
for i in {1..200}; do sudo ipmitool sel list ; sudo ipmitool sensor list ;
sudo ipmitool sdr list ; sudo ipmitool sel list ; done
[Fix]
Following upstream patch fixes this issue:
commit 5eb173f5c8f3a3cdc47b3952c368f10a28c81ab8
Author: George Cherian <[email protected]>
Date: Wed Aug 8 23:36:48 2018 -0700
i2c: xlp9xx: Fix case where SSIF read transaction completes early
[Regression Risk]
The fix is to the i2c-xlp9xx driver, and does not impact any platform code.
Risk of regression is low.
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https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1787240/+subscriptions
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