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Can not access guest‘s X windows #3

Open sukuias12 opened 8 years ago

sukuias12 commented 8 years ago

hello，I run KVMGT in ubuntu 12.04， I encounter a kernel panic when run the guest，the dmesg info of guest as follow：

[ 9.209289] [drm:sandybridge_pcode_read.part.32 [i915]] ERROR timeout waiting for pcode read (26) to finish [ 12.589744] init: failsafe main process (1271) killed by TERM signal [ 12.792460] init: alsa-restore main process (1821) terminated with status 19 [ 16.707801] [drm:i915_hangcheck_elapsed [i915]] ERROR Hangcheck timer elapsed... blitter ring idle [ 16.816146] ------------[ cut here ]------------ [ 16.816302] WARNING: CPU: 0 PID: 1865 at drivers/gpu/drm/drm_irq.c:1107 drm_wait_one_vblank+0xf8/0x156 [drm]() [ 16.816352] vblank wait timed out on crtc 0 [ 16.816356] Modules linked in: ppdev i915 drm_kms_helper parport_pc lp drm lpc_ich i2c_piix4 parport i2c_algo_bit serio_raw mfd_core ext4 jbd2 mbcache crc16 kvm sd_mod e1000 [ 16.816697] CPU: 0 PID: 1865 Comm: Xorg Not tainted 3.18.0-rc7-vgt-2015q3+ #1 [ 16.816775] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.816782] 0000000000000453 ffff8800357bfaf8 ffffffff814c1f56 0000000000000000 [ 16.817051] ffff8800357bfb48 ffff8800357bfb38 ffffffff8104e31e ffff8800357bfb98 [ 16.817387] ffffffffa01b1f1d 0000000000000000 ffff88007c92b000 0000000000000000 [ 16.817782] Call Trace: [ 16.818012] [] dump_stack+0x46/0x58 [ 16.818314] [] warn_slowpath_common+0x7c/0x96 [ 16.818635] [] ? drm_wait_one_vblank+0xf8/0x156 [drm] [ 16.818901] [] warn_slowpath_fmt+0x41/0x43 [ 16.819050] [] ? finish_wait+0x59/0x63 [ 16.819491] [] drm_wait_one_vblank+0xf8/0x156 [drm] [ 16.819767] [] ? remove_wait_queue+0x35/0x35 [ 16.820134] [] intel_pipe_set_base+0x199/0x1e0 [i915] [ 16.820521] [] intel_crtc_set_config+0x25f/0x390 [i915] [ 16.820889] [] drm_mode_set_config_internal+0x54/0xe0 [drm] [ 16.821162] [] drm_mode_setcrtc+0x35b/0x3b1 [drm] [ 16.821484] [] drm_ioctl+0x246/0x350 [drm] [ 16.821815] [] ? drm_mode_setplane+0x1e3/0x1e3 [drm] [ 16.822059] [] do_vfs_ioctl+0x230/0x246 [ 16.822326] [] ? __fget_light+0x44/0x59 [ 16.822551] [] SyS_ioctl+0x55/0x7d [ 16.822825] [] system_call_fastpath+0x12/0x17 [ 16.822919] ---[ end trace 1ffaab011de439b5 ]--- [ 17.629480] fuse init (API version 7.23) [ 23.703502] [drm:i915_hangcheck_elapsed [i915]] ERROR Hangcheck timer elapsed... render ring idle

Could you help me find the problem，thank you very much

l1viathan commented 8 years ago

the calltrace is ok, not a panic. however, rings were not working. anything suspicious at host side?

sukuias12 commented 8 years ago

Hi， Thanks for your reply。 It is OK now。 But I don't know how to test it，could you give me some suggestion？ Thank you！ looking forwar to your reply。

sukuias12 commented 8 years ago

Hi， Thanks for your reply。 It is OK now。 But I don't know how to test it，could you give me some suggestion？ Thank you！ looking forwar to your reply。

在2015-11-16 15:08:21，苏奎11221021@zju.edu.cn写道：

the calltrace is ok, not a panic. however, rings were not working. anything suspicious at host side?

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