On Mon, 2025-04-07 at 16:28 +0000, Timur Tabi wrote: > On Mon, 2025-04-07 at 16:28 +0100, David Woodhouse wrote: > > [608593.5728743 CPU: 15 UID: 626640614 PID: 17529 Comm: WebKitWebProces > > Taint > > [608593.576062] Tainted: [W]=WARN > > What does this mean?
That the kernel is 'tainted' because it's already emitted a warning? > > C608593.579235] Hardware name: LENOVO 21FVS16V08/21FVS16V80, BIOS N3ZET45W > > (1. > > [608593.582441] RIP: 0010:r535_gsp_msgq_wait+0x1c4/0x1f0 [nouveau] > > Can you add a bunch of printks to r535_gsp_msgq_wait() to help narrow down > which specific WARN this is? Or maybe use addr2line? Not exactly the same build (I'm on 6.14 now) but: (gdb) list *(r535_gsp_msgq_wait+0x1c4) 0xd24 is in r535_gsp_msgq_wait (drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c:117). 112 break; 113 114 usleep_range(1, 2); 115 } while (--(*ptime)); 116 117 if (WARN_ON(!*ptime)) 118 return ERR_PTR(-ETIMEDOUT); 119 120 mqe = (void *)((u8 *)gsp->shm.msgq.ptr + 0x1000 + rptr * 0x1000); 121 It doesn't seem to happen with 6.14, but maybe it's only when the HDMI has stopped working, and that hasn't happened yet with 6.14. I booted back into 6.13.6 to test that again, and it also managed to reboot if I did so *before* the HDMI output was unhappy. Any clues on how to debug the USB-C output, and where to report that?
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