On Wed, Aug 27, 2014 at 06:45:55PM +0000, KY Srinivasan wrote: > > > -----Original Message----- > > From: Sitsofe Wheeler [mailto:sitsofe@xxxxxxxxx] > > Sent: Wednesday, August 27, 2014 9:19 AM > > > > > BTW, with the patch below, hyperv_fb can work now, BUT, > > > *occasionally*, > > > storvsc_probe() -> ... -> vmbus_open() -> can fail due to > > > HV_STATUS_INVALID_ALIGNMENT... > > > > I applied your new patch on top of KY's pieces (it applied cleanly) > > and while it doesn't blow up, one warning is printed out and the UP > > boot seemed to stall after input: TPPS/2 message (but pressing > > ctrl-alt-delete allows the system to reboot cleanly). > > First let me thank you guys for looking into this issue. Looking at > your dmesg, it looked like storvsc probe failed as Dexuan had seen. > Since the failure appears to be alignment related, perhaps we could > test with allocating a page all the time (and getting rid of the > kmalloc). Sitsofe, here is a patch based on Dexuan's patch. If this > works, I will probably minimize failure cases by pre-allocating > per-cpu pages for this.: After some modifications to apply on top of your previous patches applying this latest patch has cured the issues surrounding hyperv_fb issues on boot. The only issue seen on boot now is similar to https://lkml.org/lkml/2014/8/19/227 ... How come previous alignment efforts weren't working out? -- Sitsofe | http://sucs.org/~sits/ _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
