<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - Attempting to reclock GeForce GT740M (GK208) cause GPU and system to hang" href="https://bugs.freedesktop.org/show_bug.cgi?id=99505#c6">Comment # 6</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - Attempting to reclock GeForce GT740M (GK208) cause GPU and system to hang" href="https://bugs.freedesktop.org/show_bug.cgi?id=99505">bug 99505</a> from <a class="email" href="mailto:stu_dby@126.com" title="Boyan Ding <stu_dby@126.com>"> Boyan Ding</a> <pre>(In reply to Ilia Mirkin from <a href="show_bug.cgi?id=99505#c5">comment #5</a>) > (In reply to Boyan Ding from <a href="show_bug.cgi?id=99505#c3">comment #3</a>) > > I tried to reclock while running glxgears (the AC line shows 405 MHz instead > > of 0), but it also hangs. > > Hmmm... this is probably a different issue then. To double-check, try > booting with nouveau.runpm=0 (which will disable all the runpm stuff). > > Either way, please try to figure out where the echo gets stuck (you can echo > ... something into sysrq-trigger, I forget what... 'w' maybe?) I added nouveau.runpm=0 and it still hangs, sysrq-trigger with w shows the following: [ 169.926880] sysrq: SysRq : Show Blocked State [ 169.926883] task PC stack pid father [ 169.926954] kworker/1:123 D ffff880242063c90 0 315 2 0x00000000 [ 169.926982] Workqueue: events nvkm_pstate_work [nouveau] [ 169.926984] ffff880242063c90 00ff880239628b00 ffff880244a59c80 ffff880242048000 [ 169.926987] ffffffffa06e1cec ffff880242064000 ffff88024210c800 ffff880239628a80 [ 169.926989] ffff88024456ad00 0000000000000009 ffff880242063ca8 ffffffff815f40ec [ 169.926992] Call Trace: [ 169.927012] [<ffffffffa06e1cec>] ? memx_out+0x3c/0x90 [nouveau] [ 169.927014] [<ffffffff815f40ec>] schedule+0x3c/0x90 [ 169.927032] [<ffffffffa06e1b8a>] nvkm_pmu_send+0x24a/0x2c0 [nouveau] [ 169.927035] [<ffffffff810c0450>] ? wake_atomic_t_function+0x60/0x60 [ 169.927051] [<ffffffffa06e1fa8>] nvkm_memx_fini+0xe8/0xf0 [nouveau] [ 169.927064] [<ffffffffa068ff5f>] ? nvkm_boolopt+0x2f/0x190 [nouveau] [ 169.927080] [<ffffffffa06c2a4b>] gk104_ram_prog+0x9b/0xc0 [nouveau] [ 169.927095] [<ffffffffa06a4014>] nvkm_pstate_work+0x154/0x540 [nouveau] [ 169.927097] [<ffffffff810a3277>] ? finish_task_switch+0x77/0x1e0 [ 169.927100] [<ffffffff81095ef5>] process_one_work+0x1e5/0x470 [ 169.927102] [<ffffffff810961c8>] worker_thread+0x48/0x4e0 [ 169.927104] [<ffffffff81096180>] ? process_one_work+0x470/0x470 [ 169.927106] [<ffffffff8109be38>] kthread+0xd8/0xf0 [ 169.927108] [<ffffffff8102c782>] ? __switch_to+0x2d2/0x630 [ 169.927110] [<ffffffff815f823f>] ret_from_fork+0x1f/0x40 [ 169.927112] [<ffffffff8109bd60>] ? kthread_worker_fn+0x170/0x170 [ 169.927217] bash D ffff8802202afb60 0 1863 1862 0x00000000 [ 169.927220] ffff8802202afb60 00ff88020e930000 ffff880244a59c80 ffff88020e930000 [ 169.927222] 0000000000000246 ffff8802202b0000 ffff88024210b948 0000000000000008 [ 169.927225] ffff88024210b800 0000000000000028 ffff8802202afb78 ffffffff815f40ec [ 169.927227] Call Trace: [ 169.927229] [<ffffffff815f40ec>] schedule+0x3c/0x90 [ 169.927244] [<ffffffffa06a3cdb>] nvkm_pstate_calc+0x7b/0xd0 [nouveau] [ 169.927246] [<ffffffff810c0450>] ? wake_atomic_t_function+0x60/0x60 [ 169.927260] [<ffffffffa06a4598>] nvkm_clk_ustate+0x98/0xb0 [nouveau] [ 169.927277] [<ffffffffa06f0235>] nvkm_control_mthd+0x315/0x440 [nouveau] [ 169.927290] [<ffffffffa068f2e8>] nvkm_object_mthd+0x18/0x20 [nouveau] [ 169.927302] [<ffffffffa068daa6>] nvkm_ioctl_mthd+0x66/0xb0 [nouveau] [ 169.927314] [<ffffffffa068e3b7>] nvkm_ioctl+0x107/0x260 [nouveau] [ 169.927329] [<ffffffffa07382d2>] nvkm_client_ioctl+0x12/0x20 [nouveau] [ 169.927341] [<ffffffffa068b041>] nvif_object_ioctl+0x41/0x50 [nouveau] [ 169.927352] [<ffffffffa068b3e8>] nvif_object_mthd+0x138/0x160 [nouveau] [ 169.927354] [<ffffffff81217c7c>] ? path_openat+0x31c/0x1170 [ 169.927356] [<ffffffff81316e4b>] ? _kstrtoull+0x3b/0x90 [ 169.927371] [<ffffffffa07352fe>] nouveau_debugfs_pstate_set+0x12e/0x1c0 [nouveau] [ 169.927373] [<ffffffff812993c0>] full_proxy_write+0x60/0xa0 [ 169.927375] [<ffffffff81208797>] __vfs_write+0x37/0x140 [ 169.927378] [<ffffffff81227bc9>] ? __alloc_fd+0xc9/0x180 [ 169.927379] [<ffffffff81206dd6>] ? filp_close+0x56/0x80 [ 169.927382] [<ffffffff810c7be7>] ? percpu_down_read+0x17/0x50 [ 169.927384] [<ffffffff81209566>] vfs_write+0xb6/0x1a0 [ 169.927385] [<ffffffff8120a9e5>] SyS_write+0x55/0xc0 [ 169.927387] [<ffffffff81227e92>] ? __close_fd+0x92/0xb0 [ 169.927389] [<ffffffff815f8032>] entry_SYSCALL_64_fastpath+0x1a/0xa4</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> </ul> </body> </html>