From mboxrd@z Thu Jan 1 00:00:00 1970 From: Frank Scheiner Date: Tue, 23 Mar 2021 15:14:14 +0000 Subject: Re: Regression in 543cea9a - was: Re: Kernel problem on rx2800 i2 Message-Id: <52397fc7-a701-7bcf-ea74-1fd2875a62ac@web.de> List-Id: References: <1d62aadd-67b6-da13-53cc-4b5213de8937@physik.fu-berlin.de> In-Reply-To: <1d62aadd-67b6-da13-53cc-4b5213de8937@physik.fu-berlin.de> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org Hi Adrian, On 23.03.21 16:02, John Paul Adrian Glaubitz wrote: > Hi! > > On 6/25/19 8:40 AM, John Paul Adrian Glaubitz wrote: >> On 6/21/19 10:08 PM, Frank Scheiner wrote: >>> recent testing of a Debian v4.19.37 kernel showed a problem on my rx2800 >>> i2 happening during kernel boot: >>> (...) >>> [1]: >>> https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=543cea9accd9804307541cb93d3ed7ec94b07237 >> >> Do you have any idea what could be the reason for the issue introduced >> by your above commit? James Clarke has guess that it might be GFP_DMA32 >> which isn't being set properly anymore for the affected machines. >> >> Do you think we could test a kernel which just sets the flag unconditionally >> to see whether this is the problem that causes the issues on these machines? > > Just as a heads-up: This issue has magically fixed itself and a current kernel > with some additional minor fixes applied boots fine on these machines again [1]. Thanks for he pointer, I already noticed your email to the debian-ia64 list some minutes ago. That's great news! :-) If time allows today I might give it a try in my rx2800 i2, which ATM just sits a meter away from me, but I'm still testing kernels on one of my V245 machines. Cheers, Frank