APPLIED/cmnt: [PATCH 0/1][SRU][B][OEM-B]iwlwifi fails to work on 16 or more

[Khaled Elmously]

Actually, it was already APPLIED to bionic. It came in as part of https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1808185


On 2018-11-26 16:22:05 , AceLan Kao wrote:
> BugLink: https://bugs.launchpad.net/bugs/1805088
> 
> [Impact]
> Got dmesg kernel BUG while loading iwlwifi driver on machines
> which has 16 or more logical CPUs
>    kernel: RIP: 0010:iwl_pcie_rxq_alloc_rbs+0x1d0/0x1f0 [iwlwifi]
> And it leads to wifi can't scan any APs, and leads to system hangs
> while suspending.
> 
> [Fix]
> Below commit contained in v4.17 fix the issue.
>    ab1068d6866e iwlwifi: pcie: compare with number of IRQs requested for,
>                 not number of CPUs
> 
> [Regression Potential]
> Low.
> 
> [Misc]
> The commit is in v4.17, so ubuntu cosmic is safe.
> And ubuntu xenial is safe, too, since the commit which introduces this
> issue isn't contained in v4.4 kernel
>    2e5d4a8f61dc iwlwifi: pcie: Add new configuration to enable MSIX
> 
> Hao Wei Tee (1):
>   iwlwifi: pcie: compare with number of IRQs requested for, not number
>     of CPUs
> 
>  drivers/net/wireless/intel/iwlwifi/pcie/trans.c | 10 +++++-----
>  1 file changed, 5 insertions(+), 5 deletions(-)
> 
> -- 
> 2.17.1
> 
> 
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