On 2019-10-17 21:53, markj_at_freebsd.org wrote: > On Thu, Oct 17, 2019 at 03:03:51PM +0200, Niclas Zeising wrote: >> On 2019-10-16 18:57, Neel Chauhan wrote: >>> While drm-current-kmod worked for a little while, it broke with r353645. >>> >>> https://i.imgur.com/Q5nYZf2.jpg >>> >>> I'm using the same HP Spectre that I used earlier (where it worked and >>> where it panicked). >>> >> >> That commit looks unrelated, it touches the wbwd and superio drivers, >> nothing else. Any chance you can bisect exactly which revision that >> caused the new issues? > > I believe it was the recent work on the vm page busy state, r353539 > specifically. This patch should fix it; we don't yet have a > __FreeBSD_version number bump on which to gate the patch. > > diff --git a/linuxkpi/gplv2/src/linux_page.c b/linuxkpi/gplv2/src/linux_page.c > index e2b85c45c..060ae85ed 100644 > --- a/linuxkpi/gplv2/src/linux_page.c > +++ b/linuxkpi/gplv2/src/linux_page.c > _at__at_ -239,7 +239,7 _at__at_ retry: > page = vm_page_lookup(devobj, i); > if (page == NULL) > continue; > - if (vm_page_sleep_if_busy(page, "linuxkpi")) > + if (!vm_page_busy_acquire(page, VM_ALLOC_WAITFAIL)) > goto retry; > cdev_pager_free_page(devobj, page); > } Hi! Hopefully someone can confirm that this patch to drm-current-kmod or drm-devel-kmod fixes the issue. I won't be able to work on this before the weekend at the earliest, I'm afraid. Mark, is it possible to get a belated version bump for this fix, and what changed to require it? Thanks! Regards -- NiclasReceived on Thu Oct 17 2019 - 18:31:24 UTC
This archive was generated by hypermail 2.4.0 : Wed May 19 2021 - 11:41:22 UTC
