Path: csiph.com!news.mixmin.net!news2.arglkargh.de!news.karotte.org!news.space.net!news.muc.de!.POSTED.news.muc.de!not-for-mail From: Patrick Welche Newsgroups: muc.lists.netbsd.current-users Subject: uvideo uvm_fault panic Date: Fri, 22 Apr 2022 09:52:55 +0100 Organization: Newsgate at muc.de e.V. Sender: current-users-owner@NetBSD.org Approved: news-admin@muc.de Distribution: world Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Injection-Info: news.muc.de; posting-host="news.muc.de:193.149.48.2"; logging-data="43250"; mail-complaints-to="news-admin@muc.de" Authentication-Results: mail.netbsd.org (amavisd-new); dkim=pass (1024-bit key) header.d=talktalk.net DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=talktalk.net; s=cmr1711; t=1650617579; bh=git73enCMUczQ4BpHY37jfO7jJBZnX8jYj/9+KWMW/Y=; h=Date:From:To:Subject; b=a87r14XXLLMCQezSHvEy9YrrTpXBsHNBam46aQ+mxQ5zQUj69/b8UQIBQJKE5eV2Q Vdgy8yoXmF1ztsqHoyGQXRjQmkUzeq3eihJFZqu3tUGorITOs+X5KgjWrlyQZ5puVM rMMJu37ELaYC1V+P7UETgugGcE7Nl/JBtfTP/IuQ= X-Originating-IP: [79.68.41.187] X-Spam: 0 X-OAuthority: v=2.3 cv=dL3YZ9Rb c=1 sm=1 tr=0 a=xwtEsDpves5AJ3+vU+kJrQ==:117 a=xwtEsDpves5AJ3+vU+kJrQ==:17 a=kj9zAlcOel0A:10 a=I_nF6uLXcXU6NDvwZi0A:9 a=CjuIK1q_8ugA:10 Content-Disposition: inline X-CMAE-Envelope: MS4wfHsXjpzFqLQ/exykkvs30mAUpN7bAyzNp7310cx0zyKUxlIlPh8XuRper78nI7YF6isQMitYTVKbzKivD0Kwel6lo5Khfa+8DF3528eacuEEUkUQWbNZ xqEqqZ7yLvsMQKhR9Bk8VJb8ZPeie90CHOtjhZKV6/Ie/0esskd9VxKu Precedence: bulk X-Newsgate-Id: f02c70b8849f+ X-No-Archive: Yes Xref: csiph.com muc.lists.netbsd.current-users:31912 Logged in to zoom.us using firefox on 9.99.96/amd64 from Tuesday and got the following panic: crash> bt end() at 0 kern_reboot() at sys_reboot vpanic() at vpanic+0x181 panic() at printf_tolog trap() at startlwp --- trap (number 6) --- uvideo_open() at uvideo_open+0x17 videoopen() at videoopen+0x71 cdev_open() at cdev_open+0x19c spec_open() at spec_open+0x224 VOP_OPEN() at VOP_OPEN+0x36 vn_open() at vn_open+0x32e do_open() at do_open+0xc3 do_sys_openat() at do_sys_openat+0x74 sys_open() at sys_open+0x24 syscall() at syscall+0x18c --- syscall (number 5) --- syscall+0x18c: [ 4205.3040059] uvm_fault(0xffffa978ca4ba1b0, 0x0, 1) -> e [ 4205.3040059] fatal page fault in supervisor mode [ 4205.3040059] trap type 6 code 0 rip 0xffffffff803a8018 cs 0x8 rflags 0x10286 cr2 0 ilevel 0 rsp 0xffff8501501d2a30 [ 4205.3040059] curlwp 0xffffa978f1bce940 pid 2365.6641 lowest kstack 0xffff8501 501ce2c0 (also surprised at the web site as I had no intention of using the camera) (gdb doesn't cope with the corefile) crash> print uvideo_open ffffffff803a8001 uvideo_open: movq 8 (%rdi),%rdx uvideo_open+0x4: movl 28 (%rdx),%ecx uvideo_open+0x7: testl %ecx,%ecx uvideo_open+0x9: jnz ffffffff803a8064 uvideo_open+0xb: pushq %rbp uvideo_open+0xc: movq %rsp,%rbp uvideo_open+0xf: subq $0x30,%rsp uvideo_open+0x13: movq 40 (%rdi),%rax uvideo_open+0x17: movq 0 (%rax),%rcx uvideo_open+0x1a: movq %rcx,ffffffffffffffd4 (%rbp) uvideo_open+0x1e: movq 8 (%rax),%rcx uvideo_open+0x22: movq %rcx,ffffffffffffffdc (%rbp) uvideo_open+0x26: movq 10 (%rax),%rcx uvideo_open+0x2a: movq %rcx,ffffffffffffffe4 (%rbp) uvideo_open+0x2e: movq 18 (%rax),%rcx uvideo_open+0x32: movq %rcx,ffffffffffffffec (%rbp) uvideo_open+0x36: movq 20 (%rax),%rcx uvideo_open+0x3a: movq %rcx,fffffffffffffff4 (%rbp) uvideo_open+0x3e: movl 28 (%rax),%eax uvideo_open+0x41: movl %eax,fffffffffffffffc (%rbp) uvideo_open+0x44: movl 28 (%rdx),%eax PID LID S CPU FLAGS STRUCT LWP * NAME WAIT 2365 >6641 7 0 100 ffffa978f1bce940 VideoCapture 0 > 213 7 3 240 ffffa978c35ea8c0 usb1 Thoughts? Cheers, Patrick -- Posted automagically by a mail2news gateway at muc.de e.V. Please direct questions, flames, donations, etc. to news-admin@muc.de