Hi!

This cost me two half-written mails...

So far it happened once, so it may be very infrequent; but I do not think I seen similar failure from i915 before, so it may be an regression. Well...

-22 should be EINVAL afaict.

Any ideas? Pavel

[drm:i915_gem_object_get_pages] *ERROR* Attempting to obtain a purgeable object [drm:i915_gem_object_get_pages] *ERROR* Attempting to obtain a purgeable object ------------[ cut here ]------------ WARNING: CPU: 0 PID: 2945 at drivers/gpu/drm/i915/i915_gem.c:1459 i915_gem_fault+0x10c/0x240() unhandled error in i915_gem_fault: -22 Modules linked in: CPU: 0 PID: 2945 Comm: Xorg Tainted: G W 3.14.0-rc6+ #325 Hardware name: LENOVO 17097HU/17097HU, BIOS 7BETD8WW (2.19 ) 03/31/2011 000005b3 f00ade08 c47db94b c4a318f4 f00ade38 c4037f9a c4a31ed0 f00ade64 00000b81 c4a318f4 000005b3 c436cb9c c436cb9c 00000002 ea35af00 f00adebc f00ade50 c403803e 00000009 f00ade48 c4a31ed0 f00ade64 f00ade90 c436cb9c Call Trace: [<c47db94b>] dump_stack+0x41/0x52 [<c4037f9a>] warn_slowpath_common+0x7a/0xa0 [<c436cb9c>] ? i915_gem_fault+0x10c/0x240 [<c436cb9c>] ? i915_gem_fault+0x10c/0x240 [<c403803e>] warn_slowpath_fmt+0x2e/0x30 [<c436cb9c>] i915_gem_fault+0x10c/0x240 [<c40d2fa7>] __do_fault+0x57/0x490 [<c4074e6e>] ? __lock_acquire+0x3ae/0xc80 [<c436ca90>] ? i915_gem_pwrite_ioctl+0x8a0/0x8a0 [<c40d428b>] handle_mm_fault+0x14b/0x750 [<c402f54f>] ? __do_page_fault+0xaf/0x410 [<c402f8b0>] ? __do_page_fault+0x410/0x410 [<c402f8b0>] ? __do_page_fault+0x410/0x410 [<c402f59c>] __do_page_fault+0xfc/0x410 [<c403abb5>] ? SyS_setitimer+0x45/0xd0 [<c40fc3e5>] ? SyS_ioctl+0x45/0x70 [<c402f8b0>] ? __do_page_fault+0x410/0x410 [<c402f8bb>] do_page_fault+0xb/0x10 [<c47e0a17>] error_code+0x67/0x6c ---[ end trace c124d19552341c51 ]--- wlan0: deauthenticating from 00:33:13:01:31:45 by local choice (reason=3) cfg80211: Calling CRDA to update world regulatory domain Chrome_IOThread[20585]: segfault at 0 ip b459e086 sp ad7f9da0 error 4 in chromium-browser[b3ecd000+390f000] wlan0: authenticate with 00:33:13:01:31:45 wlan0: send auth to 00:33:13:01:31:45 (try 1/3) wlan0: authenticated wlan0: associate with 00:33:13:01:31:45 (try 1/3)