Date: Sat, 30 Oct 2004 17:21:55 +0200 From: Martin <nakal@nurfuerspam.de> To: FreeBSD Current <freebsd-current@freebsd.org> Subject: USB card reader (umass) panic on FreeBSD 5.3-STABLE Message-ID: <1099149715.779.33.camel@klotz.local>
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Hi, it's a while ago that I reported a panic when attaching a USB card reader device. The panic still exists and the behavior has not changed. If I can help somehow to solve this problem, please message me. System: FreeBSD 5.3-STABLE #0: Wed Oct 27 01:31:39 CEST 2004 Earlier PR: http://www.freebsd.org/cgi/query-pr.cgi?pr=i386/65783 umass0: ICSI 2.0 Card Reader, rev 2.00/3a, addr 3 da0: at umass-sim0 bus 0 target 0 lun 0 da0: <ICSI CF CARD CF 1.3A> Removable Direct Access SCSI-0 device da0: 1.000MB/s transfers da0: 122MB (250368 512 byte sectors: 64H 32S/T 122C) da1: at umass-sim0 bus 0 target 0 lun 1 da1: <ICSI MS Card MS 1.3A> Removable Direct Access SCSI-0 device da1: 1.000MB/s transfers da1: Attempt to query device size failed: NOT READY, Medium not present (da2:umass-sim0:0:0:2): READ CAPACITY. CDB: 25 40 0 0 0 0 0 0 0 0 (da2:umass-sim0:0:0:2): ILLEGAL REQUEST asc:25,0 (da2:umass-sim0:0:0:2): Logical unit not supported (da2:umass-sim0:0:0:2): fatal error, failed to attach to device (da2:umass-sim0:0:0:2): lost device (da2:umass-sim0:0:0:2): removing device entry (da2:umass-sim0:0:0:3): READ CAPACITY. CDB: 25 60 0 0 0 0 0 0 0 0 (da2:umass-sim0:0:0:3): ILLEGAL REQUEST asc:25,0 (da2:umass-sim0:0:0:3): Logical unit not supported (da2:umass-sim0:0:0:3): fatal error, failed to attach to device (da2:umass-sim0:0:0:3): lost device (da2:umass-sim0:0:0:3): removing device entry Fatal trap 12: page fault while in kernel mode fault virtual address = 0x3c fault code = supervisor write, page not present instruction pointer = 0x8:0xc05731dc stack pointer = 0x10:0xd01b7cac frame pointer = 0x10:0xd01b7cb8 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, def32 1, gran 1 processor eflags = interrupt enabled, resume, IOPL = 0 current process = 2 (g_event) [thread 100026] Stopped at g_disk_destroy+0xc: movl $0,0x3c(%eax) db> trace g_disk_destroy(c20b9d80,0,0,c080a3a3,0) at g_disk_destroy+0xc one_event(66666667,c05767c0,0,d01b7d10,c05767e5) at one_event+0x225 g_run_events(c087c39c,0,4c,c080a3a3,64) at g_run_events+0x15 g_event_procbody(0,d01b7d48,0,0,0) at g_event_procbody+0x25 fork_exit(c05767c0,0,d01b7d48) at fork_exit+0x80 fork_trampoline() at fork_trampoline+0x8 --- trap 0x1, eip = 0, esp = 0xd01b7d7c, ebp = 0 --- The card reader has got 4 slots. Only the first one is in use and the Compact flash card is recognized correctly. But then the kernel scans the empty slots and panics. The first empty slot is handled right, I think. Martin
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