Date: Thu, 17 Jun 2021 14:47:53 +0000 From: bugzilla-noreply@freebsd.org To: usb@FreeBSD.org Subject: [Bug 256673] [panic] [usb] [if_ure] unplugging device causes panic roughly one in three times Message-ID: <bug-256673-19105@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D256673 Bug ID: 256673 Summary: [panic] [usb] [if_ure] unplugging device causes panic roughly one in three times Product: Base System Version: 13.0-RELEASE Hardware: amd64 OS: Any Status: New Severity: Affects Only Me Priority: --- Component: usb Assignee: usb@FreeBSD.org Reporter: knan-bfo@modirum.com Created attachment 225893 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D225893&action= =3Dedit crashinfo file A quad ethernet usb device we picked up for expanding a small-footprint firewall sometimes panics the system on unplug. RTL8153-based. 13.0-RELEASE-p1 Steps to reproduce: Plug the device in, wait for things to settle, unplug. After three-four cyc= les it usually panics. panic: page fault cpuid =3D 6 time =3D 1623939807 KDB: stack backtrace: #0 0xffffffff80c57515 at kdb_backtrace+0x65 #1 0xffffffff80c09ef1 at vpanic+0x181 #2 0xffffffff80c09d63 at panic+0x43 #3 0xffffffff8108b1b7 at trap_fatal+0x387 #4 0xffffffff8108b20f at trap_pfault+0x4f #5 0xffffffff8108a86d at trap+0x27d #6 0xffffffff81061978 at calltrap+0x8 #7 0xffffffff80a2c5b9 at usbd_do_request_flags+0x899 #8 0xffffffff80a2c690 at usbd_do_request_proc+0x60 #9 0xffffffff843c12c0 at ure_miibus_readreg+0xc0 #10 0xffffffff8071e5b7 at rgephy_status+0x227 #11 0xffffffff8071e348 at rgephy_service+0x418 #12 0xffffffff8071a7f6 at mii_pollstat+0x56 #13 0xffffffff843c4084 at ure_ifmedia_sts+0x44 #14 0xffffffff80d27f8a at ifmedia_ioctl+0x16a #15 0xffffffff80d1d45d at ifhwioctl+0x2bd #16 0xffffffff80d1f4dc at ifioctl+0x50c #17 0xffffffff80c76ebd at kern_ioctl+0x26d Looks different from #252608. --=20 You are receiving this mail because: You are the assignee for the bug.=
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