APPLIED Re: [PATCH 0/2][SRU][OEM-5.17] Intel iwlwifi AX211: WRT: Failed to set DRAM buffer for alloc id 1, ret=-1

Timo Aaltonen tjaalton at ubuntu.com
Tue Jun 28 11:07:03 UTC 2022


On 20.6.2022 13.35, You-Sheng Yang wrote:
> From: "You-Sheng Yang (vicamo)" <vicamo.yang at canonical.com>
> 
> BugLink: https://bugs.launchpad.net/bugs/1979182
> 
> [Impact]
> 
> Kernel warning dumps at boot on Intel iwlwifi AX211 equipped platforms
> running oem-5.17 kernel:
> 
> kernel: iwlwifi 0000:00:14.3: WRT: Failed to set DRAM buffer for alloc
> id 1, ret=-1
> kernel: iwlwifi 0000:00:14.3: WRT: Failed to set DRAM buffer for alloc
> id 2, ret=-1
> kernel: iwlwifi 0000:00:14.3: WRT: Failed to set DRAM buffer for alloc
> id 3, ret=-1
> 
> [Fix]
> 
> v5.18-rc1 upstream commit c76c83097587 ("iwlwifi: dbg-tlv: clean up
> iwl_dbg_tlv_update_drams()" skips unnecessary dumps and therefore avoid
> this kernel warning.
> 
> Commit ab23da483bd7 is to allocation debug fragments correctly.
> 
> [Test Case]
> 
> Reboot with prebuilt kernel and it shall no longer warns about it.
> 
> [Where problems could occur]
> 
> The original patch was meant to avoid allocating a struct iwl_dram_info
> on the stack by reusing an existing debug-only fragment, there is no
> impact for ordinary driver use.
> 
> [Other Info]
> 
> While this affects only v5.17 and above, and the fixes are in v5.18-rc1,
> it follows oem-5.17 is the only victim here.
> 
> Johannes Berg (1):
>    iwlwifi: dbg-tlv: clean up iwl_dbg_tlv_update_drams()
> 
> Rotem Saado (1):
>    iwlwifi: yoyo: fix DBGC allocation flow
> 
>   .../net/wireless/intel/iwlwifi/iwl-dbg-tlv.c  | 32 +++++++++++--------
>   1 file changed, 19 insertions(+), 13 deletions(-)
> 

applied to oem-5.17, thanks

-- 
t



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