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boot: driver chatter goes to the log; the console clears its margins

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ACPI, DMI, SMP, xHCI, USB, I2C, NVMe, r8169 and ramdisk progress lines are
kinfo now: in dmesg and on a verbose boot, off the screen of a working
machine. Failures stay cprintf.

vt_repaint also paints the strip right of the last column and below the
last row, which kept the bottom of the X desktop after Ctrl+Alt+F-key.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01S1giNvrHTrPMPw7V6x1kQ4
This commit is contained in:
Nexoniarz 2026-10-25 01:53:46 +02:00
commit c65bfa3fa3
16 changed files with 57 additions and 42 deletions
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4
kernel/drivers/usb/hub/usb_hub.c
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@ -194,7 +194,7 @@ hub_probe(struct usb_dev *dev)
}
mtt = (hd->wHubCharacteristics & HUB_CHAR_TT_MASK) != 0;
cprintf("usb-hub: %d ports on slot %d\n", nports, dev->slot);
kinfo("usb-hub: %d ports on slot %d\n", nports, dev->slot);
// Tell the controller *before* powering anything on. Addressing a device
// behind a slot the controller does not know is a hub fails, and it fails
@ -291,7 +291,7 @@ usb_hub_poll(void)
h->dev->ops->detach(h->dev, port);
if(st & PORTSTAT_CONNECTION){
microdelay(100000); // debounce, as on a root port
cprintf("usb-hub: slot %d port %d: plugged in\n", h->dev->slot, port);
kinfo("usb-hub: slot %d port %d: plugged in\n", h->dev->slot, port);
hub_port(h->dev, port, h->scratch);
}
// The hub may have been unplugged by what was just done; stop if so.